'Declaration
 
Public Overloads Shared Function Show( _
   ByVal owner As Window, _
   ByVal messageText As String, _
   ByVal caption As String, _
   ByVal messageBoxStyle As Style _
) As MessageBoxResult

'Usage
 
Dim owner As Window
Dim messageText As String
Dim caption As String
Dim messageBoxStyle As Style
Dim value As MessageBoxResult
 
value = MessageBox.Show(owner, messageText, caption, messageBoxStyle)

public static MessageBoxResult Show( 
   Window owner,
   string messageText,
   string caption,
   Style messageBoxStyle
)

Parameters

owner

A System.Windows.Window that represents the owner of the MessageBox.

messageText

A string representing the text to display.

caption

A System.String that specifies the title bar caption to display.

messageBoxStyle

A Style representing the style that will be applied to the MessageBox.

Return Value

Target Platforms: Windows 11, Windows 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

MessageBox Class
MessageBox Members
Overload List