如何在运行时设置Windows任务栏图标？ [英] How to set the Windows taskbar icon during runtime?

问题描述

通常，属于应用程序任务栏按钮的图标与EXE中包含并为程序显示的图标相同。现在，在我的应用程序中，我想动态更改此图标，这意味着在指定（PNG）图像的情况下读取配置。现在，应用程序将加载此图像，并将其设置为新的任务栏图标。

normally the icon that belongs to a application's taskbar-button is the same icon that is contained in the EXE and shown for the program. Now within my application I want to change this icon dynamically, means a configuration is read where a (PNG) image is specified. Now the application loads this image and has to set it as new taskbar icon.

但是：如何完成最后一步？如何在运行时在任务栏中设置图标（不在托盘中！）？

But: how can this last step be done? How do I set the icon in taskbar (not in tray!) during runtime?

谢谢！

推荐答案

发送 WM_SETICON 消息发送到您的窗口，并在其中传递大小（ ICON_BIG 或 ICON_SMALL ） wParam 和 lParam 中新图标的句柄。

Send a WM_SETICON message to your window, passing the size (either ICON_BIG or ICON_SMALL) in the wParam and the handle to the new icon in the lParam.

SendMessage(hwnd, WM_SETICON, ICON_SMALL, (LPARAM)hIcon);

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