Compositor.CreateBackdropBrush 方法

定义

命名空间:

Windows.UI.Composition

创建 CompositionBackdropBrush 的实例。

public:
 virtual CompositionBackdropBrush ^ CreateBackdropBrush() = CreateBackdropBrush;

CompositionBackdropBrush CreateBackdropBrush();

public CompositionBackdropBrush CreateBackdropBrush();

function createBackdropBrush()

Public Function CreateBackdropBrush () As CompositionBackdropBrush

返回

CompositionBackdropBrush

返回创建的 CompositionBackdropBrush 对象。

Windows 要求

设备系列	Windows 10 Anniversary Edition (在 10.0.14393.0 中引入)
API contract	Windows.Foundation.UniversalApiContract (在 v3.0 中引入)

示例

// Create an effect description 

GaussianBlurEffect blurEffect = new GaussianBlurEffect() 
{ 
  Name = "Blur", 
  BlurAmount = 1.0f, 
  BorderMode = EffectBorderMode.Hard, 
  Optimization = EffectOptimization.Balanced 
}; 

blurEffect.Source = new CompositionEffectSourceParameter("source"); 

CompositionEffectFactory blurEffectFactory = _compositor.CreateEffectFactory(blurEffect); 

CompositionEffectBrush blurBrush = blurEffectFactory.CreateBrush(); 

// Create a BackdropBrush and bind it to the EffectSourceParameter "source" 
CompositionBackdropBrush backdropBrush = _compositor.CreateBackdropBrush(); 

blurBrush.SetSourceParameter("source", backdropBrush); 

注解

有关创建和使用效果的信息，请参阅 CompositionEffectBrush 的备注部分。