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