ErrorImageAlignment Property

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Text;
using System.Windows.Forms;
using Infragistics.Win;
using Infragistics.Win.Misc;
using System.Drawing;
using System.Drawing.Drawing2D;

    private void SetErrorImageProperties( UltraValidator ultraValidator )
    {
        //  Set the ErrorImageAlignment property to 'MiddleLeft' so that the
        //  error image appears on the left side, centered vertically.
        ultraValidator.ErrorImageAlignment = ErrorIconAlignment.MiddleLeft;

        //  Set the ErrorImagePadding property to 5 so that there is a
        //  little space between the image and the control.
        ultraValidator.ErrorImagePadding = 5;

        //  Set the blink rate for the error image to 182 milleseconds,
        //  and the blink style to 'Always', so that the error image
        //  blinks quickly when an error occurs.
        ultraValidator.ErrorImageBlinkRate = 182;
        ultraValidator.ErrorImageBlinkStyle = ErrorImageBlinkStyle.Always;

        //  Generate an image to be displayed when a validation error occurs,
        //  and use a smaller that usual size for a compact UI. Set the transparent
        //  color to Color.Transparent. Also, handle the Disposed event so we can
        //  properly dispose of the error image since we created it.
        Size errorImageSize = new Size(13, 13);
        ultraValidator.ErrorImageSize = errorImageSize;
        ultraValidator.NotificationSettings.Image = this.GenerateErrorImage(  errorImageSize );
        ultraValidator.ErrorImageTransparentColor = Color.Transparent;
        ultraValidator.Disposed += new EventHandler( this.ultraValidator_Disposed );

        //  Set the notification action to 'Image'.
        ultraValidator.NotificationSettings.Action = NotificationAction.Image;
    }

    private Bitmap GenerateErrorImage( Size size )
    {
        Bitmap errorImage = new Bitmap( size.Width, size.Height );
        Rectangle bounds = new Rectangle( Point.Empty, size );

        using ( Graphics gr = Graphics.FromImage(errorImage) )
        {
            gr.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;

            using ( SolidBrush brush = new SolidBrush(Color.Red) )
            {
                gr.FillEllipse( brush, bounds );
            }

            bounds.Inflate( -3, -3 );

            using ( Pen pen = new Pen(Color.White, 2f) )
            {
                gr.DrawLine( pen, bounds.Location, new Point(bounds.Right, bounds.Bottom) );
                gr.DrawLine( pen, new Point(bounds.Left, bounds.Bottom), new Point(bounds.Right, bounds.Top) );
            }
        }

        return errorImage;
    }

    private void ultraValidator_Disposed(object sender, EventArgs e)
    {
        UltraValidator ultraValidator = sender as UltraValidator;
        Image errorImage = ultraValidator.NotificationSettings.Image;

        if ( errorImage != null )
            errorImage.Dispose();
    }