QPx_OpenTagContainer

QPx_OpenTagContainer(tagContainerRef; tagContainerRef):error
	tagContainerRef	Longint	Tag container reference
	tagContainer	BLOB	Tag container data
	error	Longint	Error result

This command opens a tag container BLOB and returns a reference number. This reference is used by other tag commands to access information about the tags in the container .

Parameter tagContainerRef receives the tag container reference number.

Parameter tagContainer is the tag container to be opened. The tag container BLOB can be retrieved with QPx_GetImageFileTagContainer when working with image files, or QPx_GetImporterTagContainer when using graphics importers.

After finishing working with the tag container you must call QPx_CloseTagContainer to release the memory allocated by QPx_OpenTagContainer.

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