无边框形式C＃透明边框 [英] C# transparent border for borderless form

问题描述

我创造一个无边界的形式，我想自定义边框添加到它。当我添加的背景的形式然而，它不显示良好，它是不透明的。

I'm creating a borderless form and I want to add a custom border to it. When I add the background for the form however, it doesn't show well, and it is not transparent.

这是我想为我的境界：
使用什么

This is what I want to use as my border.:

当我设置窗体的透明度白影消失了，我不知道该怎么做。

When I set the Form's transparency for White the shadow disappears, I'm not sure what to do.

推荐答案

好了，所以我被骗了一点，但我所做的只不过是覆盖的CreateParams绘制阴影效果，即使它是一个无国界的窗口。它正是我想要的，所以我用它去了。结果
感谢所有帮助！

Okay so I cheated a bit but what I did was simply overriding the CreateParams to draw dropshadow even though it's a borderless window. It does exactly what I wanted so I went with it.
Thanks for all the help!

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