[77] | 1 | ' Classes/System/Windows/Forms/Control.ab
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| 2 |
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| 3 | #ifndef __SYSTEM_WINDOWS_FORMS_CONTROL_AB__
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| 4 | #define __SYSTEM_WINDOWS_FORMS_CONTROL_AB__
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| 5 |
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[223] | 6 | #require <windows/WindowHandle.sbp>
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| 7 | #require <Classes/System/Windows/Forms/misc.ab>
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| 8 | #require <Classes/System/Windows/Forms/CreateParams.ab>
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| 9 | #require <Classes/System/Windows/Forms/Message.ab>
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| 10 | #require <Classes/System/Windows/Forms/PaintEventArgs.ab>
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| 11 | #require <Classes/System/misc.ab>
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| 12 | #require <Classes/System/Math.ab>
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| 13 | #require <Classes/System/Threading/WaitHandle.ab>
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| 14 | #require <Classes/System/Drawing/Color.ab>
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| 15 | #require <Classes/System/Drawing/Point.ab>
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| 16 | #require <Classes/System/Drawing/Size.ab>
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| 17 | #require <Classes/System/Drawing/Rectangle.ab>
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| 18 | #require <Classes/System/Runtime/InteropServices/GCHandle.ab>
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[282] | 19 | #require <Classes/ActiveBasic/Strings/Strings.ab>
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[77] | 20 |
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[282] | 21 | Namespace System
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| 22 | Namespace Windows
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| 23 | Namespace Forms
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| 24 |
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| 25 | Namespace Detail
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| 26 |
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[223] | 27 | TypeDef InvokeProc = *Function(p As VoidPtr) As VoidPtr
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| 28 |
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[77] | 29 | Class AsyncResultForInvoke
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[282] | 30 | Inherits System.IAsyncResult
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[77] | 31 | Public
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| 32 | ' Properties
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| 33 | Sub AsyncResultForInvoke(h As HANDLE)
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| 34 | waitHandle.Handle = h
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| 35 | End Sub
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| 36 |
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[240] | 37 | Override Function AsyncState() As Object
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[223] | 38 | Return Nothing
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[77] | 39 | End Function
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| 40 |
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[282] | 41 | Override Function AsyncWaitHandle() As System.Threading.WaitHandle
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[223] | 42 | Return waitHandle
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[77] | 43 | End Function
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| 44 |
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[240] | 45 | Override Function CompletedSynchronously() As Boolean
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[77] | 46 | Return FALSE
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| 47 | End Function
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| 48 |
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[240] | 49 | Override Function IsCompleted() As Boolean
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| 50 | Return waitHandle.WaitOne(0, False)
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[77] | 51 | End Function
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| 52 |
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| 53 | Const Function Result() As VoidPtr
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| 54 | Return result
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| 55 | End Function
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| 56 |
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| 57 | Sub Result(r As VoidPtr)
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| 58 | result = r
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| 59 | End Sub
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| 60 |
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| 61 | Private
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[282] | 62 | waitHandle As System.Threading.WaitHandle
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[77] | 63 | result As VoidPtr
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| 64 | End Class
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| 65 |
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| 66 | Class AsyncInvokeData
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| 67 | Public
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[223] | 68 | FuncPtr As InvokeProc
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[77] | 69 | Data As *VoidPtr
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[223] | 70 | AsyncResult As AsyncResultForInvoke
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[77] | 71 | End Class
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| 72 |
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[282] | 73 | End Namespace 'Detail
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| 74 |
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[77] | 75 | Class Control
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[223] | 76 | ' Inherits IWin32Window
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[77] | 77 | Public
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[132] | 78 | '---------------------------------------------------------------------------
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| 79 | ' Public Properties
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[223] | 80 | Function AllowDrop() As Boolean
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[77] | 81 | End Function
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| 82 |
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[223] | 83 | /*Override*/ Function Handle() As HWND
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[77] | 84 | Return wnd.HWnd
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| 85 | End Function
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| 86 |
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| 87 | ' IDropTargetを実装するのでDragAcceptFiles関数は呼ばない。
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[223] | 88 | Sub AllowDrop(a As Boolean)
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[77] | 89 | End Sub
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| 90 |
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[223] | 91 | Const Function Visible() As Boolean
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[77] | 92 | Return wnd.Visible
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| 93 | End Function
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| 94 |
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[223] | 95 | Sub Visible(v As Boolean)
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[77] | 96 | wnd.Visible(v)
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| 97 | End Sub
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| 98 |
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| 99 | Const Function Text() As String
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| 100 | Return text
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| 101 | End Function
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| 102 |
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[240] | 103 | Sub Text(t As String)
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[77] | 104 | text = t
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| 105 | Dim e As EventArgs
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| 106 | OnTextChanged(e)
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| 107 | End Sub
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| 108 |
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[223] | 109 | Const Function Enabled() As Boolean
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[77] | 110 | Return wnd.Enabled
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| 111 | End Function
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| 112 |
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[223] | 113 | Sub Enabled(e As Boolean)
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[77] | 114 | ' OnEnabledChangedはWM_ENABLE経由で呼ばれる
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| 115 | wnd.Enabled(e)
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| 116 | End Sub
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| 117 |
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| 118 | Const Function Bounds() As Rectangle
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| 119 | Dim wr As RECT
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| 120 | wr = wnd.WindowRect
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[223] | 121 | Dim r = New Rectangle(wr)
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[77] | 122 | Dim parent = Parent
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[223] | 123 | If Object.ReferenceEquals(parent, Nothing) Then
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[77] | 124 | Return parent->RectangleToClient(r)
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| 125 | Else
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| 126 | Return r
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| 127 | End If
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| 128 | End Function
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| 129 |
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[223] | 130 | Sub Bounds(r As Rectangle)
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[77] | 131 | SetBoundsCore(r.X, r.Y, r.Width, r.Height, BoundsSpecified.All)
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| 132 | End Sub
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| 133 |
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| 134 | Const Function Location() As Point
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| 135 | Return Bounds.Location
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| 136 | End Function
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| 137 |
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| 138 | Sub Location(p As Point)
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| 139 | SetBoundsCore(p.X, p.Y, 0, 0, BoundsSpecified.Location)
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| 140 | End Sub
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| 141 |
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| 142 | Const Function Size() As Size
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| 143 | Return Bounds.Size
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| 144 | End Function
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| 145 |
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| 146 | Sub Size(s As Size)
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| 147 | SetBoundsCore(0, 0, s.Width, s.Height, BoundsSpecified.Size)
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| 148 | End Sub
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| 149 |
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| 150 | Const Function ClientRectangle() As Rectangle
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[223] | 151 | Return New Rectangle(wnd.ClientRect)
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[77] | 152 | End Function
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| 153 |
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| 154 | Const Function ClientSize() As Size
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| 155 | Return ClientRectangle.Size
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| 156 | End Function
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| 157 |
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| 158 | Const Function Left() As Long
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| 159 | Dim b = Bounds
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| 160 | Return b.Left
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| 161 | End Function
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| 162 |
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| 163 | Sub Left(l As Long)
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| 164 | SetBoundsCore(l, 0, 0, 0, BoundsSpecified.X)
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| 165 | End Sub
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| 166 |
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| 167 | Const Function Top() As Long
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| 168 | Dim b = Bounds
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| 169 | Return b.Top
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| 170 | End Function
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| 171 |
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| 172 | Sub Top(t As Long)
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| 173 | SetBoundsCore(0, t, 0, 0, BoundsSpecified.Y)
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| 174 | End Sub
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| 175 |
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| 176 | Const Function Width() As Long
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| 177 | Dim b = Bounds
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| 178 | Return b.Width
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| 179 | End Function
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| 180 |
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| 181 | Sub Width(w As Long)
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| 182 | SetBoundsCore(0, 0, w, 0, BoundsSpecified.Width)
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| 183 | End Sub
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| 184 |
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| 185 | Const Function Height() As Long
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| 186 | Dim b = Bounds
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| 187 | Return b.Height
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| 188 | End Function
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| 189 |
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| 190 | Sub Height(h As Long)
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| 191 | SetBoundsCore(0, 0, 0, h, BoundsSpecified.Height)
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| 192 | End Sub
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| 193 |
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| 194 | Const Function Right() As Long
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[240] | 195 | Dim b = Bounds
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| 196 | Return b.Left + b.Width
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[77] | 197 | End Function
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| 198 |
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| 199 | Const Function Bottom() As Long
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[240] | 200 | Dim b = Bounds
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| 201 | Return b.Top + b.Height
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[77] | 202 | End Function
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| 203 |
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| 204 | Const Function PointToScreen(p As Point) As Point
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[223] | 205 | PointToScreen = New Point
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| 206 | ret.X = p.X
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| 207 | ret.Y = p.Y
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| 208 | wnd.ClientToScreen(ByVal VarPtr(PointToScreen) As *POINTAPI)
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[77] | 209 | End Function
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| 210 |
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| 211 | Const Function PointToClient(p As Point) As Point
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[223] | 212 | PointToScreen = New Point
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| 213 | ret.X = p.X
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| 214 | ret.Y = p.Y
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| 215 | wnd.ScreenToClient(ByVal VarPtr(PointToScreen) As *POINTAPI)
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[77] | 216 | End Function
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| 217 |
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[223] | 218 | Const Function RectangleToScreen(r As Rectangle) As Rectangle
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| 219 | Dim rc = r.ToRECT
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| 220 | wnd.ClientToScreen(rc)
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| 221 | Return New Rectangle(rc)
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[77] | 222 | End Function
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| 223 |
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[223] | 224 | Const Function RectangleToClient(r As Rectangle) As Rectangle
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| 225 | Dim rc As RECT
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| 226 | rc = r.ToRECT()
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| 227 | wnd.ScreenToClient(rc)
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| 228 | Return New Rectangle(rc)
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[77] | 229 | End Function
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| 230 |
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[223] | 231 | Const Function InvokeRequired() As Boolean
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[77] | 232 | Return wnd.ThreadID <> GetCurrentThreadId()
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| 233 | End Function
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| 234 |
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| 235 | Const Virtual Function BackColor() As Color
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| 236 | Return bkColor
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| 237 | End Function
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| 238 |
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| 239 | Virtual Sub BackColor(c As Color)
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| 240 | c = bkColor
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| 241 | Dim e As EventArgs
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| 242 | OnBackColorChanged(e)
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| 243 | End Sub
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| 244 |
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[223] | 245 | Function Parent() As Control
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[132] | 246 | Return parent
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| 247 | End Function
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| 248 |
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[223] | 249 | Const Function IsHandleCreated() As Boolean
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| 250 | Return wnd.HWnd <> 0
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| 251 | End Function
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| 252 |
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[132] | 253 | Static Function DefaultBackColor() As Color
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| 254 | Return Color.FromArgb(255, 255, 255)
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| 255 | End Function
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| 256 |
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| 257 | '---------------------------------------------------------------------------
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[77] | 258 | ' Constractors
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| 259 |
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| 260 | Sub Control()
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| 261 | Dim sz = DefaultSize()
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| 262 | Control("", 100, 100, sz.Width, sz.Height)
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| 263 | End Sub
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| 264 |
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[223] | 265 | Sub Control(text As String)
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[77] | 266 | Dim sz = DefaultSize()
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| 267 | Control(text, 100, 100, sz.Width, sz.Height)
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| 268 | End Sub
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| 269 |
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[223] | 270 | Sub Control(parent As Control, text As String)
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[77] | 271 | Dim sz = DefaultSize()
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| 272 | Control(parent, text, 100, 100, sz.Width, sz.Height)
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| 273 | End Sub
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| 274 |
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[223] | 275 | Sub Control(text As String, left As Long, top As Long, width As Long, height As Long)
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[77] | 276 | This.text = text
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| 277 | bkColor = DefaultBackColor
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| 278 | End Sub
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| 279 |
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[223] | 280 | Sub Control(parent As Control, text As String, left As Long, top As Long, width As Long, height As Long)
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[77] | 281 | This.parent = VarPtr(parent)
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| 282 | Control(text, left, top, width, height)
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| 283 | End Sub
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| 284 |
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[132] | 285 | '---------------------------------------------------------------------------
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[77] | 286 | ' Destractor
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| 287 |
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| 288 | Virtual Sub ~Control()
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[240] | 289 | If Not Object.ReferenceEquals(wnd, Nothing) Then
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| 290 | If wnd.IsWindow Then
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| 291 | wnd.Destroy() ' 暫定
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| 292 | End If
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[77] | 293 | End If
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| 294 | End Sub
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| 295 |
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[132] | 296 | '---------------------------------------------------------------------------
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| 297 | ' Public Methods
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[77] | 298 |
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| 299 | ' 同期関数呼出、Controlが作成されたスレッドで関数を実行する。
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| 300 | ' 関数は同期的に呼び出されるので、関数が終わるまでInvokeは制御を戻さない。
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[282] | 301 | Function Invoke(pfn As System.Windows.Forms.Detail.InvokeProc, p As VoidPtr) As VoidPtr
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[77] | 302 | Return wnd.SendMessage(WM_CONTROL_INVOKE, p As WPARAM, pfn As LPARAM) As VoidPtr
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| 303 | End Function
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| 304 |
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| 305 | ' 非同期関数呼出、Controlが作成されたスレッドで関数を実行する。
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| 306 | ' 関数は非同期的に呼び出されるので、BeginInvokeはすぐに制御を戻す。
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| 307 | ' 後にEndInvokeを呼び出すことにより、関数の戻り値を受け取れる。
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[282] | 308 | Function BeginInvoke(pfn As System.Windows.Forms.Detail.InvokeProc, p As VoidPtr) As System.IAsyncResult
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[77] | 309 | ' EndInvokeがDeleteする
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[282] | 310 | Dim asyncResult = New System.Windows.Forms.Detail.AsyncResultForInvoke(CreateEvent(0, FALSE, FALSE, 0))
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| 311 | Dim asyncInvokeData = New System.Windows.Forms.Detail.AsyncInvokeData
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[223] | 312 | With asyncInvokeData
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[77] | 313 | .FuncPtr = pfn
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| 314 | .Data = p
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[223] | 315 | .AsyncResult = asyncResult
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[77] | 316 | End With
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[282] | 317 | Dim gch = System.Runtime.InteropServices.GCHandle.Alloc(asyncInvokeData)
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| 318 | wnd.PostMessage(WM_CONTROL_BEGININVOKE, 0, System.Runtime.InteropServices.GCHandle.ToIntPtr(gch))
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[77] | 319 | Return pAsyncResult
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| 320 | End Function
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| 321 |
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| 322 | ' BeginInvokeで呼び出した関数の戻り値を受け取る。
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| 323 | ' その関数がまだ終了していない場合、終了するまで待機する。
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[282] | 324 | Function EndInvoke(ar As System.IAsyncResult) As VoidPtr
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[223] | 325 | ar.WaitHandle.WaitOne()
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[282] | 326 | Dim arInvoke = ar As System.Windows.Forms.Detail.AsyncResultForInvoke
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[223] | 327 | Return arInvoke.Result
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[77] | 328 | End Function
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| 329 |
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| 330 | ' 与えられたウィンドウハンドルがControl(若しくはその派生クラス)の
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| 331 | ' インスタンスに対応するものであった場合、
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[223] | 332 | ' 元のインスタンスを返す。
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| 333 | ' そうでなければNothingを返す。
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| 334 | Static Function FromHandle(hwnd As HWND) As Control
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[77] | 335 | If IsWindow(hwnd) Then
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[223] | 336 | If GetClassLongPtr(hwnd, GCW_ATOM) = atom Then
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[282] | 337 | Dim gch = System.Runtime.InteropServices.GCHandle.FromIntPtr(GetWindowLongPtr(hwnd, GWLP_THIS))
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[223] | 338 | Return gch.Target As Control
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[77] | 339 | End If
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| 340 | End If
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[223] | 341 | Return Nothing As Control
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[77] | 342 | End Function
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| 343 |
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| 344 | Virtual Sub ResetText()
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| 345 | text = ""
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| 346 | End Sub
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| 347 |
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[223] | 348 | Override Function ToString() As String
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[77] | 349 | Return text
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| 350 | End Function
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| 351 |
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| 352 | ' Wrapper Methods
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| 353 | Sub BringToFront()
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| 354 | wnd.BringToTop()
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| 355 | End Sub
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| 356 |
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| 357 | Sub Hide()
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| 358 | wnd.Show(SW_HIDE)
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| 359 | End Sub
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| 360 |
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| 361 | Sub Show()
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| 362 | wnd.Show(SW_SHOW)
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| 363 | End Sub
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| 364 |
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| 365 | Sub Update()
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| 366 | wnd.Update()
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| 367 | End Sub
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| 368 |
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[240] | 369 | Sub CreateControl()
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| 370 | CreateHandle() '暫定
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| 371 | End Sub
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| 372 |
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[77] | 373 | Protected
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[240] | 374 |
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[132] | 375 | '---------------------------------------------------------------------------
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| 376 | ' Protected Properties
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[223] | 377 | ' Const Virtual Function CanRaiseEvents() As Boolean
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| 378 | Virtual Function CreateParams() As CreateParams
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| 379 | Return createParams
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[77] | 380 | End Function
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| 381 | ' Virtual Function DefaultCursor() As Cursor
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| 382 |
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| 383 | Virtual Function DefaultSize() As Size
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| 384 | Dim s As Size(300, 300)
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| 385 | Return s
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| 386 | End Function
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| 387 |
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| 388 | ' Function FontHeight() As Long
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| 389 | ' Sub FontHeight(h As Long)
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| 390 |
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| 391 | ' Const Virtual Function Cursor() As Cursor
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[240] | 392 | ' Virtual Sub Cursor(c As Cursor)
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[77] | 393 |
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[132] | 394 | '---------------------------------------------------------------------------
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| 395 | ' Protected Methods
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[77] | 396 | Virtual Sub CreateHandle()
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| 397 | Dim createParams = CreateParams()
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[223] | 398 | Dim gch = GCHandle.Alloc(This)
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| 399 | TlsSetValue(tlsIndex, GCHandle.ToIntPtr(gch) As VoidPtr)
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[240] | 400 | With createParams
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[77] | 401 | Dim hwndParent = 0 As HWND
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[223] | 402 | If Not Object.ReferenceEquals(parent, Nothing) Then
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| 403 | hwndParent = parent.Handle
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[77] | 404 | End If
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[240] | 405 | Dim pText As PCTSTR
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| 406 | If String.IsNullOrEmpty(text) Then
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| 407 | pText = "" As PCTSTR
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| 408 | Else
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| 409 | pText = ToTCStr(text)
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| 410 | End If
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| 411 |
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| 412 | If CreateWindowEx(.ExStyle, atom As ULONG_PTR As PCSTR, pText, .Style, _
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[77] | 413 | CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, _
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| 414 | hwndParent, 0, hInstance, 0) = 0 Then
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| 415 | ' Error
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[223] | 416 | Dim buf[1023] As TCHAR
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| 417 | wsprintf(buf, ToTCStr(Ex"Control: CreateWindowEx failed. Error code: &h%08X\r\n"), GetLastError())
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[77] | 418 | OutputDebugString(buf)
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| 419 | ' Debug
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| 420 | ExitThread(0)
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| 421 | End If
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| 422 | End With
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[223] | 423 | gch.Free()
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[77] | 424 | End Sub
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| 425 |
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[223] | 426 | Virtual Sub DefWndProc(m As Message)
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[77] | 427 | m.Result = DefWindowProc(m.HWnd, m.Msg, m.WParam, m.LParam)
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| 428 | End Sub
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| 429 |
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[223] | 430 | Virtual Sub WndProc(m As Message)
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[77] | 431 | With m
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| 432 | Select Case .Msg
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| 433 | Case WM_GETTEXTLENGTH
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[282] | 434 | .Result = text.Length 'ToDo: Unicode対応
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[77] | 435 | Case WM_GETTEXT
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[282] | 436 | Dim size = System.Math.Min(.WParam As SIZE_T, (text.Length + 1) As SIZE_T)
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| 437 | ActiveBasic.Strings.ChrCopy(.LParam As PCTSTR, ToTCStr(text), size)
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[77] | 438 | .Result = size
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| 439 | Case WM_SETTEXT
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[223] | 440 | text = New String(.LParam As PCTSTR)
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[77] | 441 | Case WM_ENABLE
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[282] | 442 | OnEnabledChanged(System.EventArgs.Empty)
|
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[77] | 443 | Case WM_ERASEBKGND
|
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| 444 | ' OnPaintBackgroundに移すべき
|
---|
[132] | 445 | Dim hdc = .WParam As HDC
|
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[77] | 446 | Dim hbr = CreateSolidBrush(bkColor.ToCOLORREF())
|
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| 447 | Dim hbrOld = SelectObject(hdc, hbr)
|
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[132] | 448 | Dim rc = wnd.ClientRect
|
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[77] | 449 | Rectangle(hdc, rc.left, rc.top, rc.right, rc.bottom)
|
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| 450 | SelectObject(hdc, hbrOld)
|
---|
| 451 | DeleteObject(hbr)
|
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| 452 | Case WM_CONTROL_INVOKE
|
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[282] | 453 | Dim pfn = .LParam As System.Windows.Forms.Detail.InvokeProc
|
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[77] | 454 | .Result = pfn(m.WParam As VoidPtr) As LRESULT
|
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| 455 | Case WM_CONTROL_BEGININVOKE
|
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| 456 | OnControlBeginInvoke(m)
|
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[223] | 457 | Case WM_CREATE
|
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[282] | 458 | OnHandleCreated(System.EventArgs.Empty)
|
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[240] | 459 | Case WM_DESTROY
|
---|
[282] | 460 | OnHandleDestroyed(System.EventArgs.Empty)
|
---|
[77] | 461 | Case Else
|
---|
| 462 | DefWndProc(m)
|
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| 463 | End Select
|
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| 464 | End With
|
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| 465 | End Sub
|
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| 466 |
|
---|
| 467 | Virtual Sub SetClientSizeCore(x As Long, y As Long)
|
---|
| 468 | Dim rc As RECT
|
---|
| 469 | With rc
|
---|
| 470 | .left = 0
|
---|
| 471 | .top = 0
|
---|
| 472 | .right = x
|
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| 473 | .bottom = y
|
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| 474 | End With
|
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| 475 | Dim hasMenu = FALSE As BOOL
|
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| 476 | If wnd.Parent As HWND = 0 Then
|
---|
| 477 | If wnd.Menu <> 0 Then
|
---|
| 478 | hasMenu = TRUE
|
---|
| 479 | End If
|
---|
| 480 | End If
|
---|
| 481 | AdjustWindowRectEx(rc, wnd.Style, hasMenu, wnd.ExStyle)
|
---|
| 482 | wnd.Move(rc)
|
---|
| 483 | End Sub
|
---|
| 484 |
|
---|
| 485 | Virtual Sub SetBoundsCore(x As Long, y As Long, width As Long, height As Long, bs As BoundsSpecified)
|
---|
[223] | 486 | ' If Not (bs As DWord And BoundsSpecified.X As DWord) Then
|
---|
[77] | 487 | x = Left
|
---|
[223] | 488 | ' End If
|
---|
| 489 | ' If Not (bs As DWord And BoundsSpecified.Y As DWord) Then
|
---|
[77] | 490 | y = Right
|
---|
[223] | 491 | ' End If
|
---|
| 492 | ' If Not (bs As DWord And BoundsSpecified.Width As DWord) Then
|
---|
[77] | 493 | width = Width
|
---|
[223] | 494 | ' End If
|
---|
| 495 | ' If Not (bs As DWord And BoundsSpecified.Height As DWord) Then
|
---|
[77] | 496 | height = Height
|
---|
[223] | 497 | ' End If
|
---|
[77] | 498 | wnd.Move(x, y, width, height)
|
---|
| 499 | End Sub
|
---|
| 500 |
|
---|
| 501 | Virtual Sub NotifyInvalidate(r As Rectangle)
|
---|
| 502 | Dim rc As RECT
|
---|
| 503 | rc = r.ToRECT()
|
---|
| 504 | wnd.InvalidateRect(rc)
|
---|
| 505 | End Sub
|
---|
| 506 |
|
---|
[223] | 507 | Virtual Sub OnPaintBackground(e As PaintEventArgs) : End Sub
|
---|
[282] | 508 | Virtual Sub OnEnabledChanged(e As System.EventArgs) : End Sub
|
---|
| 509 | Virtual Sub OnBackColorChanged(e As System.EventArgs) : End Sub
|
---|
| 510 | Virtual Sub OnHandleCreated(e As System.EventArgs) : End Sub
|
---|
| 511 | Virtual Sub OnHandleDestroyed(e As System.EventArgs) : End Sub
|
---|
| 512 | Virtual Sub OnTextChanged(e As System.EventArgs)
|
---|
[223] | 513 | wnd.SetText(ToTCStr(text))
|
---|
[77] | 514 | End Sub
|
---|
| 515 |
|
---|
| 516 | Private
|
---|
| 517 | ' Member variables
|
---|
| 518 | wnd As WindowHandle
|
---|
| 519 | text As String
|
---|
[223] | 520 | parent As Control
|
---|
[77] | 521 | bkColor As Color
|
---|
| 522 |
|
---|
| 523 | Static createParams As CreateParams
|
---|
| 524 |
|
---|
| 525 | 'ウィンドウ作成時にウィンドウプロシージャへThisを伝えるためのもの
|
---|
| 526 | Static tlsIndex As DWord
|
---|
| 527 |
|
---|
| 528 | Static hInstance As HINSTANCE
|
---|
| 529 | Static atom As ATOM
|
---|
| 530 |
|
---|
| 531 | Static Const WM_CONTROL_INVOKE = WM_USER + 0 As DWord
|
---|
| 532 | Static Const WM_CONTROL_BEGININVOKE = WM_USER + 1 As DWord
|
---|
| 533 |
|
---|
[223] | 534 | Static Const WindowClassName = "ActiveBasic Control"
|
---|
[77] | 535 | Public
|
---|
| 536 | Static Sub Initialize(hinst As HINSTANCE)
|
---|
| 537 | tlsIndex = TlsAlloc()
|
---|
| 538 | hInstance = hinst
|
---|
| 539 |
|
---|
| 540 | Dim wcx As WNDCLASSEX
|
---|
| 541 | With wcx
|
---|
| 542 | .cbSize = Len (wcx)
|
---|
| 543 | .style = CS_HREDRAW Or CS_VREDRAW Or CS_DBLCLKS
|
---|
| 544 | .lpfnWndProc = AddressOf (WndProcFirst)
|
---|
| 545 | .cbClsExtra = 0
|
---|
| 546 | .cbWndExtra = SizeOf (LONG_PTR) * 2
|
---|
| 547 | .hInstance = hinst
|
---|
| 548 | .hIcon = 0
|
---|
| 549 | .hCursor = LoadImage(0, MAKEINTRESOURCE(IDC_ARROW), IMAGE_CURSOR, 0, 0, LR_DEFAULTSIZE Or LR_SHARED) As HCURSOR
|
---|
| 550 | .hbrBackground = 0
|
---|
| 551 | .lpszMenuName = 0
|
---|
[240] | 552 | .lpszClassName = ToTCStr(WindowClassName)
|
---|
[77] | 553 | .hIconSm = 0
|
---|
| 554 | End With
|
---|
| 555 | atom = RegisterClassEx(wcx)
|
---|
| 556 | If atom = 0 Then
|
---|
[223] | 557 | Dim buf[1023] As TCHAR
|
---|
| 558 | wsprintf(buf, ToTCStr(Ex"Control: RegisterClasseEx failed. Error code: &h%08X\r\n"), GetLastError())
|
---|
[77] | 559 | OutputDebugString(buf)
|
---|
| 560 | Debug
|
---|
| 561 | ExitThread(0)
|
---|
| 562 | End If
|
---|
| 563 |
|
---|
| 564 | With createParams
|
---|
| 565 | ' 値は暫定的なもの
|
---|
| 566 | .Style = WS_OVERLAPPEDWINDOW
|
---|
| 567 | .ExStyle = WS_EX_APPWINDOW
|
---|
| 568 | End With
|
---|
| 569 | End Sub
|
---|
| 570 |
|
---|
| 571 | Static Sub Uninitialize()
|
---|
| 572 | UnregisterClass(atom As ULONG_PTR As PCSTR, hInstance)
|
---|
| 573 | TlsFree(tlsIndex)
|
---|
| 574 | End Sub
|
---|
| 575 | Private
|
---|
| 576 | Static Const GWLP_THIS = SizeOf (LONG_PTR) * 0 As Long
|
---|
| 577 | Static Const GWLP_TAG = SizeOf (LONG_PTR) * 1 As Long
|
---|
| 578 |
|
---|
| 579 | ' Windowsから呼ばれるウィンドウプロシージャ。WndProc
|
---|
| 580 | Static Function WndProcFirst(hwnd As HWND, msg As DWord, wp As WPARAM, lp As LPARAM) As LRESULT
|
---|
[223] | 581 | Dim rThis = Control.FromHandle(hwnd) As Control
|
---|
| 582 | If Object.ReferenceEquals(rThis As Object, Nothing) Then
|
---|
| 583 | Dim gchValue = TlsGetValue(tlsIndex) As LONG_PTR
|
---|
[282] | 584 | Dim gch = System.Runtime.InteropServices.GCHandle.FromIntPtr(gchValue)
|
---|
[223] | 585 | rThis = gch.Target As Control
|
---|
[77] | 586 | ' ウィンドウが作られて最初にWndProcFirstが呼ばれたとき
|
---|
[223] | 587 | If Object.ReferenceEquals(rThis, Nothing) Then
|
---|
[77] | 588 | ' あってはならない事態
|
---|
| 589 | Debug
|
---|
[240] | 590 | ExitThread(-1)
|
---|
[77] | 591 | End If
|
---|
[223] | 592 | rThis.wnd = New WindowHandle(hwnd)
|
---|
| 593 | SetWindowLongPtr(hwnd, GWLP_THIS, gchValue)
|
---|
[77] | 594 | End If
|
---|
[240] | 595 |
|
---|
| 596 | Dim m = Message.Create(hwnd, msg, wp, lp)
|
---|
[223] | 597 | rThis.WndProc(m)
|
---|
[77] | 598 | Return m.Result
|
---|
| 599 | End Function
|
---|
| 600 |
|
---|
| 601 | ' BeginInvokeが呼ばれたときの処理
|
---|
[223] | 602 | Sub OnControlBeginInvoke(m As Message)
|
---|
[282] | 603 | Dim gch = System.Runtime.InteropServices.GCHandle.FromIntPtr(m.LParam)
|
---|
| 604 | Dim data = gch.Target As System.Windows.Forms.Detail.AsyncInvokeData
|
---|
[223] | 605 | With data
|
---|
| 606 | Dim pfn = .FuncPtr
|
---|
| 607 | .AsyncResult.Result = pfn(.Data)
|
---|
| 608 | SetEvent(.AsyncResult.AsyncWaitHandle.Handle)
|
---|
| 609 | End With
|
---|
[77] | 610 | End Sub
|
---|
| 611 | End Class
|
---|
| 612 |
|
---|
[282] | 613 | Namespace Detail
|
---|
[77] | 614 | Class _System_ControlIinitializer
|
---|
| 615 | Public
|
---|
| 616 | Sub _System_ControlIinitializer(hinst As HINSTANCE)
|
---|
[282] | 617 | System.Windows.Forms.Control.Initialize(hinst)
|
---|
[77] | 618 | End Sub
|
---|
| 619 |
|
---|
| 620 | Sub ~_System_ControlIinitializer()
|
---|
[282] | 621 | System.Windows.Forms.Control.Uninitialize()
|
---|
[77] | 622 | End Sub
|
---|
| 623 | End Class
|
---|
| 624 |
|
---|
| 625 | #ifndef _SYSTEM_NO_INITIALIZE_CONTROL_
|
---|
| 626 | Dim _System_ControlInitializer As _System_ControlIinitializer(GetModuleHandle(0))
|
---|
| 627 | #endif '_SYSTEM_NO_INITIALIZE_CONTROL_
|
---|
| 628 |
|
---|
[282] | 629 | End Namespace
|
---|
| 630 |
|
---|
| 631 | End Namespace 'Forms
|
---|
| 632 | End Namespace 'Widnows
|
---|
| 633 | End Namespace 'System
|
---|
| 634 |
|
---|
[77] | 635 | #endif '__SYSTEM_WINDOWS_FORMS_CONTROL_AB__
|
---|
[240] | 636 |
|
---|