发信人: hater()
整理人: winsy(2003-03-05 16:05:47), 站内信件
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【 在 zdcfl (tide) 的大作中提到: 】
Private Type RECT
Left As Long
Top As Long
Right As Long
Bottom As Long
End Type
Private Declare Function ClipCursor Lib "user32" (lpRect As Any) As Lo
ng
Private Declare Function SetCursorPos Lib "user32" (ByVal x As Long, _
ByVal y As Long) As Long
Private Declare Function GetWindowRect Lib "user32" _
(ByVal hwnd As Long, lpRect As RECT) As Long
'设定Mouse可移动的围是在某个control项之内
Public Function toLockCursor(ByVal ctlHwnd As Long) As Boolean
Dim rect5 As RECT
Dim res As Long
GetWindowRect ctlHwnd, rect5 '取得window的四个角
rect5.Top = rect5.Top
rect5.Left = rect5.Left
rect5.Bottom = rect5.Bottom
rect5.Right = rect5.Right
SetCursorPos (rect5.Top + rect5.Bottom) \ 2, (rect5.Left + rect5.Right
) \ 2
res = ClipCursor(rect5)
'MsgBox (res)
If res = 1 Then
toLockCursor = True
Else
toLockCursor = False
End If
End Function
'设定Mouse移动的围为个萤幕
Public Sub toUnLockCursor()
Dim rscreen As RECT
rscreen.Top = 0
rscreen.Left = 0
rscreen.Right = Screen.Width \ Screen.TwipsPerPixelX
rscreen.Bottom = Screen.Height \ Screen.TwipsPerPixelY
ClipCursor rscreen
End Sub
'例如: 设定Mouse只能在Form的范围
Private Sub Command1_Click()
Call toLockCursor(Me.hwnd)
End Sub
Private Sub Command2_Click()
Call toUnLockCursor
End Sub
--
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