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How to use gflBitmapGetEXIFValue

Posted: Thu Sep 28, 2006 5:12 am
by Roland
Sorry, but I can not figure out how to use gflBitmapGetEXIFValue in VB.

status = gflBitmapGetEXIFValue (gflbitmap, tag , Name , value_length )

How do I need to set the parameters tag , Name , value_length ?

I'd like to read the orientation of the picture.

Regards,
Roland

Re: How to use gflBitmapGetEXIFValue

Posted: Fri Oct 06, 2006 9:42 am
by xnview
Roland wrote:Sorry, but I can not figure out how to use gflBitmapGetEXIFValue in VB.

status = gflBitmapGetEXIFValue (gflbitmap, tag , Name , value_length )

How do I need to set the parameters tag , Name , value_length ?

I'd like to read the orientation of the picture.
Name is the return value, and value_length is the max char of Name
TAG for orientation is 0x0112