WinAPI：与TForm TransparentColor TransparentColorValue类似的属性 [英] WinAPI : similar properties to TForm TransparentColor TransparentColorValue

问题描述

在TForm属性的C + + Builder中有一些参数，如TransparentColor和TransparentColorValue。

但是我创建了一个带有WinAPI RegisterClassEx，CreateWindowEx函数的窗口。

Are在WinAPI中有类似于TransparentColor和TransparentColorValue的属性吗？以及如何使用它们？

我需要创建一个透明区域的窗口，例如绿色定义。

In C + + Builder in the TForm properties there are parameters like TransparentColor and TransparentColorValue.
But I created the window with the functions WinAPI RegisterClassEx, CreateWindowEx.
Are there properties similar to TransparentColor and TransparentColorValue in WinAPI? And how to use them?
I need to create a window with transparent areas which defined for example green color.

推荐答案

技术你需要掌握的是分层Windows。这不是一个初学者话题，但只要您针对最新版本的Windows，这是合理的。

类似这个 [ ^ ]将为您提供许多解释如何的精彩文章。

The technique you need to master is Layered Windows. Not a beginner topic but reasonable as long as you are targeting recentish versions of Windows.
A Search like this[^] on Code Project will give you lots of great articles explaining how.

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