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.NET and JavaScript UI Controls
Version 24.2 (latest)

DisplayMessageBox Property

Gets/sets whether a MessageBox is displayed to the end user. By default, the property returns true, and a MessageBox is displayed to the end user; set the property to false to prevent it from displaying.
Syntax
public bool DisplayMessageBox {get; set;}
Example
The following code sample demonstrates how to handle the UltraListView's EditError event to provide additional information to the end user:

For an overview of how to handle events in Visual Basic or Visual C#, see Event Handlers in Visual Basic and Visual C#. For specific information and code examples illustrating how to consume events in your application, see Consuming Events in the .NET Framework Developer's Guide.

Imports Infragistics.Win
Imports Infragistics.Win.UltraWinListView


    Private Sub ultraListView1_EditError(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinListView.EditErrorEventArgs) Handles ultraListView1.EditError
        '	Set the 'DisplayMessageBox' property to false so that
        '	the default MessageBox does not appear
        e.DisplayMessageBox = False

        '	Show a MessageBox with some additional information about the error
        Dim message As String = String.Format("The value '{0}' is not valid. Would you like to revert to the last valid value?", e.Editor.CurrentEditText)
        Dim result As DialogResult = MessageBox.Show(message, "Invalid value entered", MessageBoxButtons.YesNo, MessageBoxIcon.Information)

        '	If the user elected to revert to the original value,
        '	set the 'RestoreOriginalValue' property to true
        If result = DialogResult.Yes Then
            e.RestoreOriginalValue = True
            e.StayInEditMode = False
        Else
            e.RestoreOriginalValue = False
            e.StayInEditMode = True
        End If

    End Sub
'Declaration
 
Public Property DisplayMessageBox As Boolean
 
using Infragistics.Win;
using Infragistics.Win.UltraWinListView;
using System.Diagnostics;


		private void ultraListView1_EditError(object sender, Infragistics.Win.UltraWinListView.EditErrorEventArgs e)
		{
			//	Set the 'DisplayMessageBox' property to false so that
			//	the default MessageBox does not appear
			e.DisplayMessageBox = false;

			//	Show a MessageBox with some additional information about the error
			string message = string.Format( "The value '{0}' is not valid. Would you like to revert to the last valid value?", e.Editor.CurrentEditText );
			DialogResult result = MessageBox.Show( message, "Invalid value entered", MessageBoxButtons.YesNo, MessageBoxIcon.Information );

			//	If the user elected to revert to the original value,
			//	set the 'RestoreOriginalValue' property to true
			if ( result == DialogResult.Yes )
			{
				e.RestoreOriginalValue = true;
				e.StayInEditMode = false;
			}
			else
			{
				e.RestoreOriginalValue = false;
				e.StayInEditMode = true;
			}
		}
'Declaration
 
Public Property DisplayMessageBox As Boolean
 
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, 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

See Also