使用 Win32 和视觉样式的按钮背景透明度

发布于 2024-07-20 16:45:53 字数 992 浏览 3 评论 0原文

编辑：如果有人以前在 win32 中尝试过此操作，我使用 DrawThemeBackground() 的方向是否正确？

我最近使用版本 6 的清单启用了视觉样式ComCtl32.dll 的。 Win32 中的视觉样式示例：视觉样式

这些按钮看起来很棒，但我不知道如何使按钮周围的背景透明。请参阅示例图片： http://www.freeimagehosting.net/image.php?2bdeff33ba .jpg

我的主窗口背景颜色设置为深灰色：

a.hbrBackground = GetStockObject(DKGRAY_BRUSH);

常用控件初始化为：

INITCOMMONCONTROLSEX stylesStruct;
stylesStruct.dwSize = sizeof(stylesStruct);
stylesStruct.dwICC = ICC_STANDARD_CLASSES;
InitCommonControlsEx(&stylesStruct);

我创建按钮窗口：

j = CreateWindow(L"BUTTON", L"hello",
    WS_VISIBLE | WS_CHILD | BS_DEFPUSHBUTTON, 100, 100,
    100, 100, h, 0, hInst, 0);

按钮在白色背景上看起来很好，但边框在其他任何内容上都可见。是否可以使按钮周围的边框透明？

原文

Edit: If anyone's tried this in win32 before, am I going in the right direction by using DrawThemeBackground()?

I'v recently enabled Visual Styles using a manifest for version 6 of ComCtl32.dll. Example of Visual Styles in Win32: Visual Styles

The buttons look great, but I can't figure out how to make the background around the buttons transparent. Please see example image: http://www.freeimagehosting.net/image.php?2bdeff33ba.jpg

My main window background color is set to dark grey with:

a.hbrBackground = GetStockObject(DKGRAY_BRUSH);

The common controls are initialized with:

INITCOMMONCONTROLSEX stylesStruct;
stylesStruct.dwSize = sizeof(stylesStruct);
stylesStruct.dwICC = ICC_STANDARD_CLASSES;
InitCommonControlsEx(&stylesStruct);

And I create the button windows with:

j = CreateWindow(L"BUTTON", L"hello",
    WS_VISIBLE | WS_CHILD | BS_DEFPUSHBUTTON, 100, 100,
    100, 100, h, 0, hInst, 0);

Buttons look fine over a white background, but the border becomes visible over anything else. Is it possible to make the border around buttons transparent?

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