如何使OpenTK.GLControl透明
[英]How to make OpenTK.GLControl Transparent
问题描述
I am using WPF and OpenTk and I have a GLControl that is set to Transparent, the clear color is set to Transparent as well but when it draws the rectangle it becomes black. 
我正在使用WPF和OpenTk，并且我的GLControl设置为“透明”，透明色也设置为“透明”，但是当它绘制矩形时，它将变为黑色。 How do I make it so that it draws my rectangle on a transparent background, I have stuff behind the OpenTK.GLControl that I want to see along with the rectangle. 如何使它在透明背景上绘制矩形，我在OpenTK.GLControl后面有一些想要与矩形一起看到的东西。
1 个解决方案
解决方案1
1 已采纳 2012-01-20 04:54:05
Your OpenGL windows are regular Win32 windows. 您的OpenGL窗口是常规的Win32窗口。 They do not work with WPF's "I can't believe it's not a window" windows. 它们不适用于WPF的“我不敢相信这不是窗口”窗口。 You can't make an OpenGL window transparent in the way you want. 您无法以所需的方式使OpenGL窗口透明。
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