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DrawingBrush.Drawing (Propiedad)

Gets or sets the Drawing that describes the contents of this DrawingBrush.

Espacio de nombres: System.Windows.Media
Ensamblado: PresentationCore (en presentationcore.dll)
Espacio de nombres XML:  http://schemas.microsoft.com/winfx/2006/xaml/presentation

public Drawing Drawing { get; set; }
/** @property */
public Drawing get_Drawing ()

/** @property */
public void set_Drawing (Drawing value)

public function get Drawing () : Drawing

public function set Drawing (value : Drawing)

Para obtener información sobre XAML, vea el tipo Drawing.

Valor de propiedad

The Drawing that describes the contents of this DrawingBrush. The default is null reference (Nothing in Visual Basic).

This example shows how to paint an area with a drawing. To paint an area with a drawing, you use a DrawingBrush and one or more Drawing objects. The following example uses a DrawingBrush to paint an object with a drawing of two ellipses.

<!-- Demonstrates the use of DrawingBrush. -->
<Page  
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  Background="White">
  <StackPanel Margin="20">

    <Rectangle Width="150" Height="150" Stroke="Black" StrokeThickness="1">
      <Rectangle.Fill>
        <DrawingBrush>
          <DrawingBrush.Drawing>
            <GeometryDrawing Brush="MediumBlue">
              <GeometryDrawing.Geometry>
                <GeometryGroup>
                  <EllipseGeometry RadiusX="20" RadiusY="45" Center="50,50" />
                  <EllipseGeometry RadiusX="45" RadiusY="20" Center="50,50" />
                </GeometryGroup>
              </GeometryDrawing.Geometry>
              <GeometryDrawing.Pen>
                <Pen Thickness="10">
                  <Pen.Brush>
                    <LinearGradientBrush>
                      <GradientStop Offset="0.0" Color="Black" />
                      <GradientStop Offset="1.0" Color="Gray" />
                    </LinearGradientBrush>
                  </Pen.Brush>
                </Pen>
              </GeometryDrawing.Pen>
            </GeometryDrawing>
          </DrawingBrush.Drawing>
        </DrawingBrush>
      </Rectangle.Fill>
    </Rectangle>
  </StackPanel>
</Page>


using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;


namespace Microsoft.Samples.DrawingBrushExamples
{
    /// <summary>
    /// Paints a Rectangle element with a DrawingBrush.
    /// </summary>
    public class DrawingBrushExample : Page
    {
        public DrawingBrushExample()
        {
            Background = Brushes.White;
            StackPanel mainPanel = new StackPanel();

            // Create a drawing of two ellipses.
            GeometryDrawing aDrawing = new GeometryDrawing();

            // Use geometries to describe two overlapping ellipses.
            EllipseGeometry ellipse1 = new EllipseGeometry();
            ellipse1.RadiusX = 20;
            ellipse1.RadiusY = 45;
            ellipse1.Center = new Point(50, 50);
            EllipseGeometry ellipse2 = new EllipseGeometry();
            ellipse2.RadiusX = 45;
            ellipse2.RadiusY = 20;
            ellipse2.Center = new Point(50, 50);
            GeometryGroup ellipses = new GeometryGroup();
            ellipses.Children.Add(ellipse1);
            ellipses.Children.Add(ellipse2);

            // Add the geometry to the drawing.
            aDrawing.Geometry = ellipses;

            // Specify the drawing's fill.
            aDrawing.Brush = Brushes.Blue;

            // Specify the drawing's stroke.
            Pen stroke = new Pen();
            stroke.Thickness = 10.0;
            stroke.Brush = new LinearGradientBrush(
                Colors.Black, Colors.Gray, new Point(0, 0), new Point(1, 1));
            aDrawing.Pen = stroke;

            // Create a DrawingBrush
            DrawingBrush myDrawingBrush = new DrawingBrush();
            myDrawingBrush.Drawing = aDrawing;

            // Create a Rectangle element.
            Rectangle aRectangle = new Rectangle();
            aRectangle.Width = 150;
            aRectangle.Height = 150;
            aRectangle.Stroke = Brushes.Black;
            aRectangle.StrokeThickness = 1.0;

            // Use the DrawingBrush to paint the rectangle's
            // background.
            aRectangle.Fill = myDrawingBrush;

            mainPanel.Children.Add(aRectangle);

            this.Content = mainPanel;

        }
    }
}

The following illustration shows the example's output.

Output from a DrawingBrush

(The center of the shape is white for reasons described in How to: Control the Fill of a Composite Shape.)

By setting a DrawingBrush object's Viewport and TileMode properties, you can create a repeating pattern. The following example paints an object with a pattern created from a drawing of two ellipses.

<!-- Demonstrates the use of DrawingBrush. -->
<Page  
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  Background="White">
  <StackPanel Margin="20">

    <Rectangle Width="150" Height="150" Stroke="Black" StrokeThickness="1">
      <Rectangle.Fill>
        <DrawingBrush Viewport="0,0,0.25,0.25" TileMode="Tile">
          <DrawingBrush.Drawing>
            <GeometryDrawing Brush="MediumBlue">
              <GeometryDrawing.Geometry>
                <GeometryGroup>
                  <EllipseGeometry RadiusX="20" RadiusY="45" Center="50,50" />
                  <EllipseGeometry RadiusX="45" RadiusY="20" Center="50,50" />
                </GeometryGroup>
              </GeometryDrawing.Geometry>
              <GeometryDrawing.Pen>
                <Pen Thickness="10">
                  <Pen.Brush>
                    <LinearGradientBrush>
                      <GradientStop Offset="0.0" Color="Black" />
                      <GradientStop Offset="1.0" Color="Gray" />
                    </LinearGradientBrush>
                  </Pen.Brush>
                </Pen>
              </GeometryDrawing.Pen>
            </GeometryDrawing>
          </DrawingBrush.Drawing>
        </DrawingBrush>
      </Rectangle.Fill>
    </Rectangle>
  </StackPanel>
</Page>


using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;


namespace Microsoft.Samples.DrawingBrushExamples
{

    /// <summary>
    /// Paints a Rectangle element with a tiled DrawingBrush.
    /// </summary>
    public class TiledDrawingBrushExample : Page
    {

        public TiledDrawingBrushExample()
        {
            Background = Brushes.White;
            StackPanel mainPanel = new StackPanel();

            // Create a drawing of two ellipses.
            GeometryDrawing aDrawing = new GeometryDrawing();

            // Use geometries to describe two overlapping ellipses.
            EllipseGeometry ellipse1 = new EllipseGeometry();
            ellipse1.RadiusX = 20;
            ellipse1.RadiusY = 45;
            ellipse1.Center = new Point(50, 50);
            EllipseGeometry ellipse2 = new EllipseGeometry();
            ellipse2.RadiusX = 45;
            ellipse2.RadiusY = 20;
            ellipse2.Center = new Point(50, 50);
            GeometryGroup ellipses = new GeometryGroup();
            ellipses.Children.Add(ellipse1);
            ellipses.Children.Add(ellipse2);

            // Add the geometry to the drawing.
            aDrawing.Geometry = ellipses;

            // Specify the drawing's fill.
            aDrawing.Brush = Brushes.Blue;

            // Specify the drawing's stroke.
            Pen stroke = new Pen();
            stroke.Thickness = 10.0;
            stroke.Brush = new LinearGradientBrush(
                Colors.Black, Colors.Gray, new Point(0, 0), new Point(1, 1));
            aDrawing.Pen = stroke;

            // Create a DrawingBrush
            DrawingBrush myDrawingBrush = new DrawingBrush();
            myDrawingBrush.Drawing = aDrawing;

            // Set the DrawingBrush's Viewport and TileMode
            // properties so that it generates a pattern.
            myDrawingBrush.Viewport = new Rect(0, 0, 0.25, 0.25);
            myDrawingBrush.TileMode = TileMode.Tile;

            // Create a Rectangle element.
            Rectangle aRectangle = new Rectangle();
            aRectangle.Width = 150;
            aRectangle.Height = 150;
            aRectangle.Stroke = Brushes.Black;
            aRectangle.StrokeThickness = 1.0;

            // Use the DrawingBrush to paint the rectangle's
            // background.
            aRectangle.Fill = myDrawingBrush;

            mainPanel.Children.Add(aRectangle);

            this.Content = mainPanel;

        }

    }
}

The following illustration shows the tiled DrawingBrush output.

Tiled output from a DrawingBrush

For more information about drawing brushes, see Painting with Images, Drawings, Visuals, and Patterns. For additional examples, see the DrawingBrush Sample. For more information about Drawing objects, see the Drawing Objects Overview.

Microsoft .NET Framework 3.0 es compatible con Windows Vista, Microsoft Windows XP SP2 y Windows Server 2003 SP1.

.NET Framework

Compatible con: 3.0
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