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vb.net穿透点击的简单介绍

如何在VB.net中用程序控制鼠标移动和点击

调用api

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在Visual Baisc.net中的声明:

Declare Sub mouse_event Lib "user32" (ByVal dwFlags As Long, ByVal dx As Long, ByVal dy As Long, ByVal cButtons As Long, ByVal dwExtraInfo As Long)

Public Const MOUSEEVENTF_LEFTDOWN = H2 '模拟鼠标左键按下

Public Const MOUSEEVENTF_LEFTUP = H4 ’模拟鼠标左键释放

Public Const MOUSEEVENTF_MIDDLEDOWN = H20 '模拟鼠标中间键按下

Public Const MOUSEEVENTF_MIDDLEUP = H40 '模拟鼠标中间键释放

Public Const MOUSEEVENTF_RIGHTDOWN = H8 '模拟鼠标右键按下

Public Const MOUSEEVENTF_RIGHTUP = H10 '模拟鼠标右键释放

Public Const MOUSEEVENTF_MOVE = H1 '模拟鼠标指针移动

例:

mouse_event MOUSEEVENTF_LEFTDOWN,10,10,0,0

'在(10,10)模拟鼠标左键按下

vb2008 ( vb .net ) 下如何实现 鼠标穿透 ??

Const GWL_EXSTYLE = (-20)

Const WS_EX_LAYERED = H80000

Const WS_EX_TRANSPARENT As Integer= H20

Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hwnd As Integer, ByVal nIndex As Integer) As Integer

Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hwnd As Integer, ByVal nIndex As Integer, ByVal dwNewLong As Integer) As Integer

Private Sub Command1_Click()

SetWindowLong Me.hwnd, GWL_EXSTYLE, GetWindowLong(Me.hwnd, GWL_EXSTYLE) Or WS_EX_LAYERED Or WS_EX_TRANSPARENT

End Sub

'取消鼠标穿透(一般窗体) SetWindowLong Me.hwnd, GWL_EXSTYLE, 0

'取消鼠标穿透(UpdateLayeredWindow画窗体) SetWindowLong Me.hwnd, GWL_EXSTYLE, WS_EX_LAYERED

VB设计中,为何点击子界面会穿透子界面执行主界面的命令?

点子界面时调用主界面相应位置的命令就可以了

Call 主界面.命令按钮的相应过程

如:有两个窗口窗口明为Form1、Form2

form1代码:

Public Sub Command1_Click() '这里要全局过程才行

MsgBox "你好!"

End Sub

Private Sub Command2_Click()

Form2.Show

End Sub

'-------------------------------------------------------

Form2代码:

Private Sub Command1_Click()

Call Form1.Command1_Click

End Sub

点Form2里的command1会调用Form1里的Command1_Click过程


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