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Ограничить передвижение мыши |
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Данный пример покажет, как можно ограничить передвижение мыши в пределах запущенной формы.
Расположите на форме 2 элемента CommandButton.
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
POINT)
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 POINT
x As Long
y As Long
End Type
Private Sub Form_Load()
Command1.Caption = "Ограничить передв."
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 POINT
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
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