IPXC_Annotation::Data Property
From PDF XChange PDF SDK
When the property is read, it returns copy of current annotation data. Changes to that data will be in effect when Data property will be set.
Setting annotation's Data property may change annotation's rectangle on the page.
Syntax
HRESULT get_Data([out, retval] IPXC_AnnotData** pAnnotData); HRESULT put_Data([in] IPXC_AnnotData* pAnnotData);