是否可以获得 WPF Popup 控件的 Hwnd?

问题描述

我只需要对自定义形状的 WPF 窗口的一部分应用 Aero 背景模糊.问题是要使用 DWM 应用模糊，我需要为 DwmEnableBlurBehindWindow 函数提供一个窗口句柄.

I need to apply an Aero background blur to only part of a custom-shaped WPF window. The problem is that to apply the blur with DWM, I need to provide a window handle to the DwmEnableBlurBehindWindow function.

有人告诉我，WPF 弹出控件实际上是一个单独的窗口.那很好.我可以得到一个弹出窗口的句柄来对其应用模糊吗?如果是这样，怎么做?

I have been told that the WPF popup control is actually a separate window. That is good. Can I get a popup's handle to apply blur to it? If so, how?

推荐答案

试试这个

HwndSource source = (HwndSource)HwndSource.FromVisual(myPopup)

或者这个，但这个只适用于实际的 Windows，但可能有助于将来的参考.

or this but this one only works for actual Windows, but might help for future references.

IntPtr handle = new WindowInteropHelper(myWindow).Handle;

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