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How to update Icon for exe (MAINICON)?

youki 1,026 Reputation points
2023-09-05T13:21:41.9366667+00:00

I added an icon for the exe by adding the ico to the resources and MAINICON in code of myProject.rc, after compiling and using "Start Without Debugging", the icon appeared:

https://stackoverflow.com/questions/2393863/set-an-exe-icon-for-my-program

I can't update the icon. When i add another icon and execute the same steps, it always has the old icon. How can i update it easily?

Windows development | Windows API - Win32
Developer technologies | C++
Developer technologies | C++

A high-level, general-purpose programming language, created as an extension of the C programming language, that has object-oriented, generic, and functional features in addition to facilities for low-level memory manipulation.

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  1. David Lowndes 2,750 Reputation points MVP
    2023-09-05T13:27:23.7033333+00:00

    As a sanity check open your EXE in Visual Studio and make sure the new icon resource has replaced the prior one.
    Assuming it has, you're probably seeing the old icon in Explorer due to the Windows icon cache - see here.

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  2. youki 1,026 Reputation points
    2023-09-05T16:31:52.1466667+00:00

    Ty @David Lowndes , it helped with the icon of the exe file.

    I also had to clear the cache of the system tray to update the BalloonTip icon on the title bar, it also takes the MAINICON.

    https://learn.microsoft.com/en-us/windows/win32/controls/implement-tooltips-for-status-bar-icons

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