Question

请问，vb中点击了窗体上的关闭按钮会触发什么事件

请问，点击了窗体上的关闭按钮会触发什么事件，如果我想在点击了关闭关闭按钮后弹出一个msgbox，上面有两个按钮，一个“是”，一个“否”，我应该如何编写代码在选择了“是”后窗体不关闭

Answer 1

Private Sub Form_QueryUnload(Cancel As Integer, unloadmode As Integer)
If MsgBox("你真的要退出吗？ ", vbOKCancel) <> vbOK Then Cancel = True
End Sub

Private Sub Form_Unload(Cancel As Integer)
If MsgBox("你真的要退出吗？ ", vbOKCancel) <> vbOK Then Cancel = True
End Sub

Answer 2

Private Sub Form_QueryUnload(Cancel As Integer, UnloadMode As Integer)
If MsgBox("你真的要退出吗?", vbOKCancel, "提示") = vbCancel Then
Cancel = True
End If
End Sub

Answer 3

Private Sub Form_Unload(Cancel As Integer)
If Cancel = 0 Then
a = MsgBox("不能关闭此窗口", "68")
If a = 6 Then
Cancel = 1
End If
End If
End Sub

Answer 4

Private Sub Form_Unload(Cancel As Integer)
IF MSGBOX("是否关闭？"，vbyesno) =vbno then cancel=true
End Sub