Extract Document Metadata
To extract document metadata
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Open the document whose metadata you want to extract. See Open for more information.
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Set
nItemto0(zero). -
Use the GetSummaryInfo method to get the total number of summary information items available in the document (parameter
nTotalItem). -
Set
nItemto a number between zero andnTotalItem(0<= nItem < nTotalItem). -
Use the
GetSummaryInfomethod again to get the specific information for thenItemitem. After the call, the other parameters (such asnValid,nType,lVal,szVal, andszUserVal) hold the values for the summary information item.