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MessageBox.Show Method (Window, String, String, MessageBoxButton)

Displays a message box in front of the specified window. The message box displays a message, title bar caption, and button; and it also returns a result.

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

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

Parameters

owner
Type: System.Windows.Window

A Window that represents the owner window of the message box.

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.

By default, the message box appears in front of the window that is currently active.

.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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