GradientBrush.MappingMode Propriedade

public:
 property System::Windows::Media::BrushMappingMode MappingMode { System::Windows::Media::BrushMappingMode get(); void set(System::Windows::Media::BrushMappingMode value); };

public System.Windows.Media.BrushMappingMode MappingMode { get; set; }

member this.MappingMode : System.Windows.Media.BrushMappingMode with get, set

Public Property MappingMode As BrushMappingMode

Valor de Propriedade

Um BrushMappingMode valor que especifica como as coordenadas de posicionamento do pincel gradiente são interpretadas. A predefinição é RelativeToBoundingBox.

Exemplos

O exemplo seguinte mostra como usar a MappingMode propriedade para especificar que sistema de coordenadas usar para o StartPoint e EndPoint do gradiente.

<Page 
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
  <StackPanel>

    <!-- Both of the rectangles below have identical gradients applied but use different
         coordinate systems to specify the StartPoint and EndPoint of the gradient. -->
    <Rectangle Width="200" Height="100" Margin="10">
      <Rectangle.Fill>

        <!-- The MappingMode property is set to "Absolute" which specifies that the coordinate 
             system used for the StartPoint and EndPoint properties is not relative to the 
             Brush output area. Values are interpreted directly in local space (in pixels). -->
        <LinearGradientBrush MappingMode="Absolute" 
            StartPoint="0,50" EndPoint="200,50">
          <GradientStop Color="Yellow" Offset="0" />
          <GradientStop Color="Red" Offset="0.25" />
          <GradientStop Color="Blue" Offset="0.75" />
          <GradientStop Color="LimeGreen" Offset="1" />
        </LinearGradientBrush>
      </Rectangle.Fill>
    </Rectangle>

    <Rectangle Width="200" Height="100" Margin="10">
      <Rectangle.Fill>

        <!-- The MappingMode property is set to "RelativeToBoundingBox" (default) which  
             specifies the coordinate system for the StartPoint and EndPoint are relative to 
             the Brush output area: 0 indicates 0 percent of the output area and 1 indicates 
             100 percent of the output area.  -->
        <LinearGradientBrush StartPoint="0,0.5" EndPoint="1,0.5">
          <GradientStop Color="Yellow" Offset="0" />
          <GradientStop Color="Red" Offset="0.25" />
          <GradientStop Color="Blue" Offset="0.75" />
          <GradientStop Color="LimeGreen" Offset="1" />
        </LinearGradientBrush>
      </Rectangle.Fill>
    </Rectangle>

  </StackPanel>
</Page>

Observações

Um valor de Absolute indica que as coordenadas do pincel de gradiente são expressas usando píxeis independentes do dispositivo.

Informação de Propriedade de Dependência