Five Minute Silverlight 5 Aides-Memoire #4 – Mouse Click Count

Rainbow Rectangle

1. <Rectangle Width="154"
2.            Height="77"
3.            MouseLeftButtonDown="RectangleMouseLeftButtonDown">
4.     <Rectangle.Fill>
5.         <LinearGradientBrush x:Name="GradientFill" StartPoint="0,0" EndPoint="1,1">
6.             <GradientStop Offset="0" Color="Red" />
7.             <GradientStop Offset="0.1667" Color="Orange" />
8.             <GradientStop Offset="0.334" Color="Yellow" />
9.             <GradientStop Offset="0.5001" Color="Green" />
10.             <GradientStop Offset="0.6668" Color="Blue" />
11.             <GradientStop Offset="0.8335" Color="Indigo" />
12.             <GradientStop Offset="1" Color="Violet" />
13.         </LinearGradientBrush>
14.     </Rectangle.Fill>
15. </Rectangle>
16. <TextBlock x:Name="ClickCountTextBlock"
17.            Foreground="White"
18.            HorizontalAlignment="Center"
19.            VerticalAlignment="Center"
20.            FontSize="40"
21.            Opacity="0.4"
22.            Text="" />

Click Count in MouseEventArgs

1. private void RectangleMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
2. {
3.     this.ClickCountTextBlock.Text = e.ClickCount.ToString();
4.     var topLeft = new Point(0, 0);
5.     var topRight = new Point(1, 0);
6.     var bottomLeft = new Point(0, 1);
7.     var bottomRight = new Point(1, 1);
8.  
9.     switch (e.ClickCount)
10.     {
11.         case 2:
12.             this.GradientFill.StartPoint = topRight;
13.             this.GradientFill.EndPoint = bottomLeft;
14.             break;
15.         case 3:
16.             this.GradientFill.StartPoint = bottomRight;
17.             this.GradientFill.EndPoint = topLeft;
18.             break;
19.         case 4:
20.             this.GradientFill.StartPoint = bottomLeft;
21.             this.GradientFill.EndPoint = topRight;
22.             break;
23.         default:
24.             this.GradientFill.StartPoint = topLeft;
25.             this.GradientFill.EndPoint = bottomRight;
26.             break;
27.     }
28. }

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