是WPF硬件加速时，窗口AllowsTransparency =真的吗？ [英] Is WPF Hardware-accelerated when Window AllowsTransparency = true?

问题描述

我一直在寻找让自己的窗框在WPF中，类似于Visual Studio的。我是pretty的肯定我过去读的地方，AllowsTransparency =真会迫使WPF软件模式来呈现。不过，我在其他地方阅读了的窗口分层的，你可以有硬件加速，这就是WPF做。我也觉得很难想象的Visual Studio 2013 - 附其自定义的框架和透明边框blur-将是软件渲染。

I have been looking at making my own window frame in WPF, similar to Visual Studio. I'm pretty sure I read somewhere in the past that AllowsTransparency = true would force WPF to render in software-mode. However, I've read elsewhere that with window layering you can have hardware acceleration and this is what WPF does. I also find it hard to imagine that Visual Studio 2013 -with its custom frame and transparent border blur- would be software-rendered.

有没有一个明确的答案的问题（假设的Windows 7起），是WPF硬件加速时，窗口AllowsTransparency =真的吗？的

Is there a definitive answer to the question (assuming Windows 7 onwards), Is WPF Hardware-accelerated when Window AllowsTransparency = true?

如果没有，如何Visual Studio中把它关闭？

If not, how does Visual Studio pull it off?

推荐答案

看来，透明窗（ AllowsTransparency = TRUE ）的硬件加速Windows Vista和上：<一个href="http://blogs.msdn.com/b/seema/archive/2006/09/18/hw-acceleration-of-layered-windows-for-rtm.aspx">HW分层窗口的加速

It seems that transparent windows (AllowsTransparency = true) are hardware accelerated for Windows Vista and upper: HW Acceleration of Layered Windows

还有一个修补程序，使其在Windows XP中以及工作：<一href="http://support.microsoft.com/kb/937106/en-us">http://support.microsoft.com/kb/937106/en-us

There is also an hotfix to make it work under windows XP as well: http://support.microsoft.com/kb/937106/en-us

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