如何从消息框中获取结果？

Question

在Visual Studio 2010中的Visual Basic中，如果用于提供消息，

MsgBox("hello", 4, "status")

如何操作msgbox中的结果是或否？

如果用户提供否，就会发生这种情况，如果否，就会发生这种情况。

Answer 1

您需要检查MsgBox是否返回vbYes。

例如：

If vbYes = MsgBox("hello", vbYesNo, "status") Then
    'Do things
Else
    'Don't do things
End If

Answer 2

MsgBox Function (Visual Basic)

Lesson 10: Introduction to VB Built-in Functions

示例代码：

Private Sub Test_Click()

    Dim testMsg As Integer

    testMsg = MsgBox("Click to test", 1, "Test message")


    If testMsg = 1 Then                    'User clicked on OK button
       Display.Caption = "Test Succeeded"
    Else                                   'User clicked on Cancel button
       Display.Caption = "Test failed"
    End If

End Sub

Answer 3

非常确定你也可以这样做：

Dim response As MsgBoxResult = MsgBox("Are You Sure you want to delete this entry?", MsgBoxStyle.DefaultButton2 Or MsgBoxStyle.YesNo Or MsgBoxStyle.Critical, "Warning")



 If response = MsgBoxResult.Yes Then