流水账 5.5 WPF Effect

Bitmap Effect已经过时了。UIElement.BitmapEffect property is obsolete

没办法，Bitmap Effect的效率过于低下，有时还有莫名其妙的界面闪烁。所以用有硬件（GPU）支持的Effect来代替吧。注意，只适用于.Net 3.5 sp1以后版本。

有以下文章可以参考：

1. WPF Sample Series - Solution for the Obsolete BitmapEffect Property and Rendering an OuterGlowBitmapEffect
2. GPU-accelerated custom Effects for WPF
3. Using Effects in WPF (Part 2)
4. More details on how Effects work
5. Writing custom GPU-based Effects for WPF
6. A simple Effect sample project and ClickOnce application
7. Writing custom Effects - adding parameters to Effects
8. A VisualStudio BuildTask and project and item templates for writing ShaderEffects
9. Introducing Multi-Input Shader Effects
10. A More Useful Multi-Input Effect

DropShadowEffect