Classe Brushes (System.Windows.Media)

<Rectangle Width="50" Height="50" Fill="Blue" />

			' Create a rectangle and paint it with
			' a predefined brush.
			Dim myPredefinedBrushRectangle As New Rectangle()
			myPredefinedBrushRectangle.Width = 50
			myPredefinedBrushRectangle.Height = 50
			myPredefinedBrushRectangle.Fill = Brushes.Blue

// Create a rectangle and paint it with
// a predefined brush.
Rectangle myPredefinedBrushRectangle = new Rectangle();
myPredefinedBrushRectangle.Width = 50;
myPredefinedBrushRectangle.Height = 50;
myPredefinedBrushRectangle.Fill = Brushes.Blue;

<!-- Note that the first two characters "FF" of the 8-digit
     value is the alpha which controls the transparency of 
     the color. Therefore, to make a completely transparent
     color (invisible), use "00" for those digits (e.g. #000000FF). -->
<Rectangle Width="50" Height="50" Fill="#FF0000FF" />

<Rectangle Width="50" Height="50">
  <Rectangle.Fill>
    <SolidColorBrush>
     <SolidColorBrush.Color>

        <!-- Describes the brush's color using
             RGB values. Each value has a range of 0-255.  
             R is for red, G is for green, and B is for blue.
             A is for alpha which controls transparency of the
             color. Therefore, to make a completely transparent
             color (invisible), use a value of 0 for Alpha. -->
        <Color A="255" R="0" G="0" B="255" />
     </SolidColorBrush.Color>
    </SolidColorBrush>
  </Rectangle.Fill>
</Rectangle>

			Dim myRgbRectangle As New Rectangle()
			myRgbRectangle.Width = 50
			myRgbRectangle.Height = 50
			Dim mySolidColorBrush As New SolidColorBrush()

			' Describes the brush's color using RGB values. 
			' Each value has a range of 0-255.
			mySolidColorBrush.Color = Color.FromArgb(255, 0, 0, 255)
			myRgbRectangle.Fill = mySolidColorBrush

Rectangle myRgbRectangle = new Rectangle();
myRgbRectangle.Width = 50;
myRgbRectangle.Height = 50;
SolidColorBrush mySolidColorBrush = new SolidColorBrush();

// Describes the brush's color using RGB values. 
// Each value has a range of 0-255.
mySolidColorBrush.Color = Color.FromArgb(255, 0, 0, 255);
myRgbRectangle.Fill = mySolidColorBrush;