Option ExplicitDeclare Function ClipCursor Lib "user32" (lpRect As Any) As Long
Declare Function ClipCursorClear Lib "user32" Alias "ClipCursor" (ByVal lpRect As Long) As Long
Declare Function ClientToScreen Lib "user32" (ByVal hwnd As Long, lpPoint As POINTAPI) As Long
Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type
Type POINTAPI
X As Long
Y As Long
End Type
Public RetValue As Long
Public ClipMode As Boolean
Public Sub SetCursor(ClipObject As Object, Setting As Boolean)
' used to clip the cursor into the viewport and
' turn off the default windows cursor
Dim CurrentPoint As POINTAPI
Dim ClipRect As RECT
If Setting = False Then
' set clip state back to normal
RetValue = ClipCursorClear(0)
Exit Sub
End If
' set current position
With CurrentPoint
.X = 0
.Y = 0
End With
' find position on the screen (not the window)
RetValue = ClientToScreen(ClipObject.hwnd, CurrentPoint)
' designate clip area
With ClipRect
.Top = CurrentPoint.Y
.Left = CurrentPoint.X
.Right = .Left + ClipObject.ScaleWidth
.Bottom = .Top + ClipObject.ScaleHeight
End With ' clip it
RetValue = ClipCursor(ClipRect)