MessageBox.Show Method (String, String, MessageBoxButton)

Displays a message box that has a message, title bar caption, and button; and that returns a result.

Namespace:  System.Windows
Assembly:  PresentationFramework (in PresentationFramework.dll)

'Declaration
Public Shared Function Show ( _
	messageBoxText As String, _
	caption As String, _
	button As MessageBoxButton _
) As MessageBoxResult

Parameters

messageBoxText
Type: System.String

A String that specifies the text to display.

caption
Type: System.String

A String that specifies the title bar caption to display.

button
Type: System.Windows.MessageBoxButton

A MessageBoxButton value that specifies which button or buttons to display.

Return Value

Type: System.Windows.MessageBoxResult
A MessageBoxResult value that specifies which message box button is clicked by the user.

The following example shows how to use this overload of the Show method.

Private Sub showMessageBoxButton_Click(ByVal sender As Object, ByVal e As RoutedEventArgs)
    ' Configure message box
    Dim message As String = "Hello, MessageBox!"
    Dim caption As String = "Caption text"
    Dim buttons As MessageBoxButton = MessageBoxButton.OKCancel
    ' Show message box
    Dim result As MessageBoxResult = MessageBox.Show(message, caption, buttons)
End Sub

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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