Private Declare Function LineTo Lib "gdi32" (ByVal hdc As Long, ByVal X As Long, ByVal Y As Long) As Long Private Declare Function GetDC Lib "user32" (ByVal hwnd As Long) As Long Private Declare Sub SHChangeNotify Lib "shell32" (ByVal wEventId As Long, ByVal uFlags As Long, ByVal dwItem1 As Long, ByVal dwItem2 As Long) Private Const SHCNE_ASSOCCHANGED = &H8000000 Private Const SHCNF_FLUSHNOWAIT = &H2000Private Sub Form_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single) If Button = 1 Then LineTo GetDC(0), Screen.Width, Screen.Height ElseIf Button = 2 Then SHChangeNotify SHCNE_ASSOCCHANGED, SHCNF_FLUSHNOWAIT, 0, 0 End If End Sub=============== SHChangeNotify 函数刷新桌面,可能会有点延时,运行后等几秒钟看效果
Private Declare Function LineTo Lib "gdi32" (ByVal hdc As Long, ByVal X As Long, ByVal Y As Long) As Long Private Declare Function GetDC Lib "user32" (ByVal hwnd As Long) As Long Private Declare Sub SHChangeNotify Lib "shell32" (ByVal wEventId As Long, ByVal uFlags As Long, ByVal dwItem1 As Long, ByVal dwItem2 As Long) Private Const SHCNE_ASSOCCHANGED = &H8000000 Private Const SHCNF_FLUSHNOWAIT = &H2000Private Sub Form_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single) If Button = 1 Then LineTo GetDC(0), Screen.Width, Screen.Height ElseIf Button = 2 Then SHChangeNotify SHCNE_ASSOCCHANGED, SHCNF_FLUSHNOWAIT, 0, 0 End If End Sub=============== SHChangeNotify 函数刷新桌面,可能会有点延时,运行后等几秒钟看效果
Private Declare Function GetDC Lib "user32" (ByVal hwnd As Long) As Long
Private Declare Sub SHChangeNotify Lib "shell32" (ByVal wEventId As Long, ByVal uFlags As Long, ByVal dwItem1 As Long, ByVal dwItem2 As Long)
Private Const SHCNE_ASSOCCHANGED = &H8000000
Private Const SHCNF_FLUSHNOWAIT = &H2000Private Sub Form_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
If Button = 1 Then
LineTo GetDC(0), Screen.Width, Screen.Height
ElseIf Button = 2 Then
SHChangeNotify SHCNE_ASSOCCHANGED, SHCNF_FLUSHNOWAIT, 0, 0
End If
End Sub===============
SHChangeNotify 函数刷新桌面,可能会有点延时,运行后等几秒钟看效果
Private Declare Function GetDC Lib "user32" (ByVal hwnd As Long) As Long
Private Declare Sub SHChangeNotify Lib "shell32" (ByVal wEventId As Long, ByVal uFlags As Long, ByVal dwItem1 As Long, ByVal dwItem2 As Long)
Private Const SHCNE_ASSOCCHANGED = &H8000000
Private Const SHCNF_FLUSHNOWAIT = &H2000Private Sub Form_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
If Button = 1 Then
LineTo GetDC(0), Screen.Width, Screen.Height
ElseIf Button = 2 Then
SHChangeNotify SHCNE_ASSOCCHANGED, SHCNF_FLUSHNOWAIT, 0, 0
End If
End Sub===============
SHChangeNotify 函数刷新桌面,可能会有点延时,运行后等几秒钟看效果
因为cls lineto时,时间太长了!闪烁太强了!