WS_CLIPSIBLINGS 样式自动添加

本文介绍了WS_CLIPSIBLINGS 样式自动添加的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我用这种窗口样式创建了窗口:WS_CLIPCHILDREN |WS_POPUP |WS_BORDER |WS_SIZEBOX |WS_VISIBLE.

但由于未知原因 WS_CLIPSIBLINGS 样式会自动添加.

你知道这是什么原因吗?

示例代码:

hWnd = CreateWindowExW(0, szWindowClass, szTitle, WS_CLIPCHILDREN | WS_POPUP | WS_BORDER | WS_SIZEBOX | WS_VISIBLE, CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, Instance, NULL, NULL);

解决方案

添加 WS_CLIPSIBLINGS

重绘后

I created window with this window styles: WS_CLIPCHILDREN | WS_POPUP | WS_BORDER | WS_SIZEBOX | WS_VISIBLE.

But for unknown reason WS_CLIPSIBLINGS style is automatically added.

Do you somebody know reason for this?

Sample code:

hWnd = CreateWindowExW(0, szWindowClass, szTitle, WS_CLIPCHILDREN | WS_POPUP | WS_BORDER | WS_SIZEBOX | WS_VISIBLE, CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);

解决方案

Only child windows are mentioned in the MSDN.

Actually, All overlapped and popup-style windows have WS_CLIPSIBLINGS properties. That is to say, you can't get rid of WS_CLIPSIBLINGS attributes and draw in its overlapping brothers'windows.

If it's just a child window, you can add WS_CLIPSIBLINGS yourself.

Add WS_CLIPSIBLINGS

After redrawing

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