زندانی کردن موس داخل فرم

کد:
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 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 Sub Command1_Click()

End

End Sub



Private Sub Form_Load()

On Error Resume Next







Dim client As RECT

Dim upperleft As POINT

Dim lHwnd As Long

On Error Resume Next

lHwnd = Me.hWnd

If lHwnd = 0 Then Exit Sub

GetClientRect Me.hWnd, client

upperleft.X = client.left

upperleft.Y = client.top

ClientToScreen Me.hWnd, upperleft

OffsetRect client, upperleft.X, upperleft.Y

ClipCursor client

Show



End Sub