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Thread: Qt application icon looks fine on Windows Vista and 7, but not visible in Windows XP

  1. #1
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    Question Qt application icon looks fine on Windows Vista and 7, but not visible in Windows XP

    Hello!

    I know there have been questions related to setting application icon, but I couldn't find a solution to my problem.

    I use Qt 4.6.3 on Windows 7 x64 to develop a small application for windows.

    I have

    Qt Code:
    1. RC_FILE = myapp.rc
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    in my .pro file, and

    Qt Code:
    1. IDI_ICON1 ICON DISCARDABLE "myappicon.ico"
    2.  
    3. 1 VERSIONINFO
    4. FILEVERSION 1,0,1,0
    5. PRODUCTVERSION 1,0,1,0
    6. BEGIN
    7. BLOCK "StringFileInfo"
    8. BEGIN
    9. BLOCK "040904E4"
    10. BEGIN
    11. VALUE "CompanyName", "My Company\0"
    12. VALUE "FileDescription", "A simple desktop application.\0"
    13. VALUE "FileVersion", "1.0.1\0"
    14. VALUE "LegalCopyright", "Copyright 2010 My Company\0"
    15. VALUE "ProductName", "MyApp\0"
    16. VALUE "ProductVersion", "1.0.1\0"
    17. END
    18. END
    19. BLOCK "VarFileInfo"
    20. BEGIN
    21. VALUE "Translation", 0x409, 1252
    22. END
    23. END
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    in myapp.rc.

    Everything works just fine on both Windows 7 and Windows Vista. The file information (product name, copyright etc.) and the .exe icon appear as I've set them. The problem is on Windows XP, where the .exe icon does not appear in Explorer, although the other information (product name, copyright) is ok. The application works fine, otherwise.

    Any insight would be greatly appreciated.

  2. #2
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    Default Re: Qt application icon looks fine on Windows Vista and 7, but not visible in Windows

    Any thoughts?

  3. #3
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    Default Re: Qt application icon looks fine on Windows Vista and 7, but not visible in Windows

    You possibly have only the Vista/Win 7 256x256 PNG image in the ICO file and not the smaller, old-style images.

  4. The following user says thank you to ChrisW67 for this useful post:

    yo8saw (12th July 2010)

  5. #4
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    Default Re: Qt application icon looks fine on Windows Vista and 7, but not visible in Windows

    Chris, you were right. It would seem that I didn't pay enough attention when I created the .ico file, and it only contained the 256x256 pixels image. I recreated the .ico, adding all other available image sizes, and it now seems to work as expected on both windows 7 and XP.

    Thanks, your help is much appreciated!

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