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    256x256 Icon not recognized

    Hi,
    While implementing an icon reader/writer myself I use other programs for verification. While other tools find it OK (and I cannot spot a problem in the file myself too) IrfanView reporst one of my test icons as invalid or unsupported.
    Other 256x256 icons are displayed correctly.

    I got this specific icon from system32\wmp.dll (wmp version 11), Icon group 28750, saved as icon.
    The contents of this Icon are:
    Code:
    256 x 256 (16 colors) - Ordinal name: 1
    48 x 48 (16 colors) - Ordinal name: 2
    32 x 32 (16 colors) - Ordinal name: 3
    24 x 24 (16 colors) - Ordinal name: 4
    16 x 16 (16 colors) - Ordinal name: 5
    256 x 256 (256 colors) - Ordinal name: 6
    48 x 48 (256 colors) - Ordinal name: 7
    32 x 32 (256 colors) - Ordinal name: 8
    24 x 24 (256 colors) - Ordinal name: 9
    16 x 16 (256 colors) - Ordinal name: 10
    256 x 256 (16.8mil colors) - Ordinal name: 11
    48 x 48 (16.8mil colors) - Ordinal name: 12
    32 x 32 (16.8mil colors) - Ordinal name: 13
    24 x 24 (16.8mil colors) - Ordinal name: 14
    16 x 16 (16.8mil colors) - Ordinal name: 15

    #2
    Can confirm this. I have an icon where 256*256*4 is recognized (why the heck it is even there?), but 256*256*32 is not. It's a regular uncompressed icon.

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      #3
      I've another icon with 256x256, 32 bits which shows correctly.
      Code:
      1: 48 x 48 (256 colors)
      2: 32 x 32 (256 colors)
      3: 24 x 24 (256 colors)
      4: 16 x 16 (256 colors)
      5: 256 x 256 (16.8mil colors)
      6: 48 x 48 (16.8mil colors)
      7: 32 x 32 (16.8mil colors)
      8: 24 x 24 (16.8mil colors)
      9: 16 x 16 (16.8mil colors)

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