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比如你单击按钮,就触发了按钮的单击事件
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你双击按钮,就触发了按钮的双击事件
这些问题的确头大,vb的dll、ocx等,在vb.net里都不好调用,主要是来要注册组件等,麻烦。建议全部用vb.net写就好了,
两种方法:
1. 用WithEvents声明变量,这样你就可以像对待拖上去的控件一样操作:
Public Class Form3
WithEvents btn As New Button
Private Sub Form3_Load(sender As Object, e As EventArgs) Handles Me.Load
Controls.Add(btn)
End Sub
Private Sub btn_Click(sender As Object, e As EventArgs) Handles btn.Click
MsgBox(Now)
End Sub
End Class
2. 使用AddHandler 语句:
Public Class Form3
Private Sub Form3_Load(sender As Object, e As EventArgs) Handles Me.Load
Dim btn As New Button
AddHandler btn.Click, AddressOf btn_Click
Controls.Add(btn)
End Sub
Private Sub btn_Click(sender As Object, e As EventArgs)
MsgBox(Now)
End Sub
End Class
WithEvents (Visual Basic):
AddHandler 语句: