MessageBox.Show Method (Window, String)
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Displays a message box that contains the specified text and an OK button that is modal to the window specified by the owner parameter.
Namespace: System.Windows
Assembly: System.Windows (in System.Windows.dll)
Syntax
'Declaration
Public Shared Function Show ( _
owner As Window, _
messageBoxText As String _
) As MessageBoxResult
public static MessageBoxResult Show(
Window owner,
string messageBoxText
)
Parameters
- owner
Type: System.Windows.Window
A window reference that represents the top-level window that will own the modal dialog box.
- messageBoxText
Type: System.String
The message to display.
Return Value
Type: System.Windows.MessageBoxResult
MessageBoxResult.OK in all cases.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | messageBoxText is nulla null reference (Nothing in Visual Basic). -or- owner is nulla null reference (Nothing in Visual Basic). |
Remarks
This method is only applicable to trusted out-of-browser applications. If it is called in an application that does not have elevated permissions and is out-of-browser, the message box will be modal to the web-browser main window.
Version Information
Silverlight
Supported in: 5
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.