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