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MessageBox.Show Method (String)

Displays a message box that contains the specified text and an OK button.

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

public static MessageBoxResult Show(
	string messageBoxText


Type: System.String
The message to display.

Return Value

Type: System.Windows.MessageBoxResult
OK in all cases.


messageBoxText is null.

The message box is modal, which means that the user must click OK or press ESC to dismiss the message. In both cases, the return value is the same.

The following example code demonstrates how to use this method.

MessageBox.Show("No caption, one button.");


Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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