Public Class Form1
Declare Function SendMessageW Lib "user32" (ByVal hwnd As Integer, ByVal wMsg As Integer, ByVal wParam As Integer, ByVal lParam As Integer) As Integer
Protected Overrides Sub OnMouseDown(e As MouseEventArgs)
MyBase.OnMouseDown(e)
If e.Button = MouseButtons.Left Then
Capture = False
SendMessageW(Me.Handle, &HA1, 2, 0)
End If
End Sub
End Class
Declare Function SendMessageW Lib "user32" (ByVal hwnd As Integer, ByVal wMsg As Integer, ByVal wParam As Integer, ByVal lParam As Integer) As Integer
Protected Overrides Sub OnMouseDown(e As MouseEventArgs)
MyBase.OnMouseDown(e)
If e.Button = MouseButtons.Left Then
Capture = False
SendMessageW(Me.Handle, &HA1, 2, 0)
End If
End Sub
End Class
解决方案 »
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如果有很多控件,可以使用窗口子类化,也就是在主窗口中重写WndProc,拦截WM_LBUTTONDOWN消息。