Private Declare Sub ClipCursor Lib "user32" (lpRect As Any) Private Declare Sub GetClientRect Lib "user32" (ByVal hWnd As Long, lpRect As RECT) Private Declare Sub ClientToScreen Lib "user32" (ByVal hWnd As Long, lpPoint As POINTAPI) Private Declare Sub OffsetRect Lib "user32" (lpRect As RECT, ByVal x As Long, ByVal y As Long) Private Type RECT left As Integer top As Integer right As Integer bottom As Integer End Type Private Type POINTAPI x As Long y As Long End Type
Private Sub Form_Load() Command1.Caption = "Ограничить передвижение!" Command2.Caption = "Снять ограничение!" End Sub
Private Sub Form_Unload(Cancel As Integer) ClipCursor ByVal 0& End Sub
Private Sub Command1_Click() Dim client As RECT Dim upperleft As POINTAPI GetClientRect Me.hWnd, client upperleft.x = client.left upperleft.y = client.top ClientToScreen Me.hWnd, upperleft OffsetRect client, upperleft.x, upperleft.y ClipCursor client End Sub
Private Sub Command2_Click() ClipCursor ByVal 0& End Sub
