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display_dib_block@ return codes

 
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rudnei



Joined: 29 Dec 2011
Posts: 36
PostPosted: Thu Apr 11, 2024 3:12 pm    Post subject: display_dib_block@ return codes Reply with quote
Hi,
Is there a list of the return codes given by display_dib_block@, with the description of their meanings?
Thank you for your help!
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PaulLaidler
Site Admin


Joined: 21 Feb 2005
Posts: 7928
Location: Salford, UK
PostPosted: Thu Apr 11, 2024 4:42 pm    Post subject: Reply with quote
An error value of 13 means width <= 0 or height <= 0.
An error value of 4 means a failure to allocate memory for the DIB.
An error value of 0 means success.

The routine calls the API StretchDIBits when it could fail but at the moment a failure at this point is not reported. I have now updated the routine so that in the future it will give an error code of 9 when this occurs.
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rudnei



Joined: 29 Dec 2011
Posts: 36
PostPosted: Thu Apr 11, 2024 5:43 pm    Post subject: Reply with quote
Many thanks!
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