using System; 
using System.Windows.Forms; 
using System.Drawing; 
using System.ComponentModel; 
 
namespace WindowsApplication4 
{ 
    /// <summary> 
    /// Summary description for CustomColorRadioButton. 
    /// </summary> 
    public class CustomColorRadioButton : RadioButton 
    { 
        // Fields 
        private Color checkColor; 
 
        public CustomColorRadioButton() 
        { 
            this.checkColor = this.ForeColor; 
            this.Paint += new PaintEventHandler(this.PaintHandler); 
        } 
 
        [Description("The color used to display the check painted in the RadioButton")] 
        public Color CheckColor  
        { 
            get  
            { 
                return checkColor; 
            } 
            set  
            { 
                checkColor = value; 
                this.Invalidate(); 
            } 
        } 
 
        private void PaintHandler (object sender, PaintEventArgs pe)  
        { 
            if (this.Checked)  
            { 
                Point pt = new Point(); 
 
                if (this.CheckAlign == ContentAlignment.BottomCenter) 
                { 
                    pt.X = (this.Width / 2) - 3; 
                    pt.Y = this.Height - 9; 
                } 
                if (this.CheckAlign == ContentAlignment.BottomLeft) 
                { 
                    pt.X = 4; 
                    pt.Y = this.Height - 9; 
                } 
                if (this.CheckAlign == ContentAlignment.BottomRight) 
                { 
                    pt.X = this.Width - 9; 
                    pt.Y = this.Height - 9; 
                } 
                if (this.CheckAlign == ContentAlignment.MiddleCenter) 
                { 
                    pt.X = (this.Width / 2) - 3; 
                    pt.Y = (this.Height / 2) - 3; 
                } 
                if (this.CheckAlign == ContentAlignment.MiddleLeft) 
                { 
                    pt.X = 4; 
                    pt.Y = (this.Height / 2) - 3; 
                } 
                if (this.CheckAlign == ContentAlignment.MiddleRight) 
                { 
                    pt.X = this.Width - 9; 
                    pt.Y = (this.Height / 2) - 3; 
                } 
                if (this.CheckAlign == ContentAlignment.TopCenter) 
                { 
                    pt.X = (this.Width / 2) - 3; 
                    pt.Y = 4; 
                } 
                if (this.CheckAlign == ContentAlignment.TopLeft) 
                { 
                    pt.X = 4; 
                    pt.Y = 4; 
                } 
                if (this.CheckAlign == ContentAlignment.TopRight) 
                { 
                    pt.X = this.Width - 9; 
                    pt.Y = 4; 
                } 
 
                DrawCheck(pe.Graphics, this.checkColor,pt); 
            } 
        } 
 
        public void DrawCheck(Graphics g, Color c, Point pt)  
        { 
            Pen pen = new Pen(this.checkColor);  
            g.DrawLine(pen, pt.X, pt.Y + 1, pt.X + 3, pt.Y + 1); 
            g.DrawLine(pen, pt.X, pt.Y + 2, pt.X + 3, pt.Y + 2); 
            g.DrawLine(pen, pt.X + 1, pt.Y, pt.X + 1, pt.Y + 3); 
            g.DrawLine(pen, pt.X + 2, pt.Y, pt.X + 2, pt.Y + 3); 
 
        } 
    } 
}