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Asked: 2026-05-16T18:19:15+00:00

I have question regarding the CreateWindowEx function. I have 2 windows, a main one

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I have question regarding the CreateWindowEx function. I have 2 windows, a main one and a popup one. I want a popup window to hide everywhere. It is currently not displayed in taskbar and it is not even visible in alt+tab menu. However it is visible on “Applications” tab in task manager. What flags do I need to use in CreateWindowEx to hide my popup window from there?

Current code:

hHistoryWindow = CreateWindowEx(WS_EX_TOOLWINDOW | WS_EX_NOACTIVATE | WS_EX_LAYERED, szAppName, L"HistoryWindow",  WS_EX_TOPMOST | WS_POPUP, WIDTH, TOP, width, height, NULL, NULL, hInstance, NULL);

I also wanted to ask, whether I need to release a bitmap resource from “static” window before using DestroyWindow() function? I set image to a “static” window this way:

SendMessage (hStatic, STM_SETIMAGE, (WPARAM)IMAGE_BITMAP, (LPARAM)hWhiteStone);

Is it enough to release hWhiteStone or do I need to release also handle returned by SendMessage() (- or is it done automatically by DestroyWindow)?

Thank you for any info.

Kra

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1 Answer

  1. Editorial Team

    Make it a child of your main window. Do this by changing the fourth last parameter to the HWND of your main window. This SHOULD make windows treat your popup window as part of the same application as your main window.

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