Set the RadiusX and RadiusY for RadialGradientBrush : RadialGradientBrush « Windows Presentation Foundation « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Windows Presentation Foundation
3. RadialGradientBrush

using System;
using System.Windows;
using System.Windows.Input;
using System.Windows.Media;

    class MainClass : Window
    {
        RadialGradientBrush brush;

        [STAThread]
        public static void Main()
        {
            Application app = new Application();
            app.Run(new MainClass());
        }
        public MainClass()
        {
            Title = "title";
            brush = new RadialGradientBrush(Colors.White, Colors.Red);
            brush.RadiusX = brush.RadiusY = 0.10;
            brush.SpreadMethod = GradientSpreadMethod.Repeat;
            Background = brush;
        }
        protected override void OnMouseDown(MouseButtonEventArgs args)
        {
            double width = 300;
            double height = 300;

            Point ptMouse = args.GetPosition(this);
            ptMouse.X /= width;
            ptMouse.Y /= height;

            brush.Center = ptMouse;
            brush.GradientOrigin = ptMouse;
        }
    }

24.102.RadialGradientBrush
	24.102.1.	RadialGradientBrush Opacity from 1 to 0
	24.102.2.	RadialGradientBrush examples and Define GradientStop in Resource
	24.102.3.	RadialGradientBrush GradientOrigin
	24.102.4.	RadialGradientBrush Rectangle.Stroke
	24.102.5.	Add Gradient stops to RadialGradientBrush
	24.102.6.	Set center for RadialGradientBrush
	24.102.7.	Set Gradient Origin for RadialGradientBrush
	24.102.8.	Set the RadiusX and RadiusY for RadialGradientBrush
	24.102.9.	Set the SpreadMethod for GradientSpreadMethod for GradientSpreadMethod.Repeat