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How do I detect a change to a blob datawindow column using the db ole in powerbuilder 10

lwski
lwski asked
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Medium Priority
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Last Modified: 2013-12-26
I am trying to give the user a way to save multiple form types from a single source i.e. word doc, excel, powerpoint. I can open up the various applications and save and retrieve the information. My problem is how do I detect a change to the document so I don't have to prompt the user to save when nothing has changed. I used get changes, compared get full state blob legnths but none of this is effective.
Thanks
LW
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Storing both images in a db, and comparing them would be very slow and resource intensive, compared with calculating a checksum in pure memory.
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