本文整理汇总了VB.NET中System.Windows.Forms.MessageBox类的典型用法代码示例。如果您正苦于以下问题：VB.NET MessageBox类的具体用法？VB.NET MessageBox怎么用？VB.NET MessageBox使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了MessageBox类的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: ValidateUserEntry
Private Sub ValidateUserEntry()
' Checks the value of the text.
If ServerName.Text.Length = 0 Then
' Initializes variables to pass to the MessageBox.Show method.
Dim Message As String = "You did not enter a server name. Cancel this operation?"
Dim Caption As String = "Error Detected in Input"
Dim Buttons As MessageBoxButtons = MessageBoxButtons.YesNo
Dim Result As DialogResult
'Displays the MessageBox
Result = MessageBox.Show(Message, Caption, Buttons)
' Gets the result of the MessageBox display.
If Result = System.Windows.Forms.DialogResult.Yes Then
' Closes the parent form.
Me.Close()
End If
End If
End Sub示例2: If
Private Sub Form1_FormClosing( _
ByVal sender As System.Object, _
ByVal e As System.Windows.Forms.FormClosingEventArgs) _
Handles MyBase.FormClosing
Dim message As String = _
"Are you sure that you would like to close the form?"
Dim caption As String = "Form Closing"
Dim result = MessageBox.Show(message, caption, _
MessageBoxButtons.YesNo, _
MessageBoxIcon.Question)
' If the no button was pressed ...
If (result = DialogResult.No) Then
' cancel the closure of the form.
e.Cancel = True
End If
End Sub