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Utility to discover type of Image & its real file extens
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General information
Forum:
Visual FoxPro
Category:
Other
Title:
Re: Utility to discover type of Image & its real file extens
Environment versions
Visual FoxPro:
VFP 9 SP1
OS:
Windows XP SP2
Miscellaneous
Thread ID:
01228930
Message ID:
01228940
Views:
22
Each image format starts with a distinctive signature -- from 2 to 8 and more bytes. For example, a PNG file starts with 89 50 4E 47 0D 0A 1A 0A. A Windows bitmap starts with 'BM' -- BITMAPFILEHEADER; and so on.
Anatoliy Mogylevets
devicecontext@msn.com
Win32 API Online Reference
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