AnnSetUser Example for C++ Builder

//Global declarations
LEADRasterAnnotation * pRasterAnn= NULL;
LEADRasterAnnToolBar* pRasterAnnToolbar= NULL;
 
void __fastcall TForm1::Button1Click(TObject *Sender)
{
   CoCreateInstance(CLSID_LEADRasterAnnotation, NULL, CLSCTX_ALL, IID_ILEADRasterAnnotation, (void**)&pRasterAnn);
   CoCreateInstance(CLSID_LEADRasterAnnToolBar, NULL, CLSCTX_ALL, IID_ILEADRasterAnnToolBar, (void**)&pRasterAnnToolbar);
   pRasterAnn->AnnParentRasterView = LEADRasterView1->Raster;
   LEADEventSink1->Connect (pRasterAnn, DIID__LEADRasterAnnotationEvents);
   pRasterAnn->AnnUserMode = ANN_USERMODE_DESIGN ;
}
void __fastcall TForm1::FormClose(TObject *Sender, TCloseAction &Action)
{
   if (pRasterAnn)
      pRasterAnn->Release ();
   if (pRasterAnnToolbar)
      pRasterAnnToolbar-> Release();
}

void __fastcall TForm1::Button2Click(TObject *Sender)
{
   //hide the selected objects
   pRasterAnn->AnnSetVisible (pRasterAnn->AnnContainer, false, ANN_FLAG_RECURSE + ANN_FLAG_SELECTED, AnsiToOLESTR(""));
   //set the selected objects to belong to user XXX
   pRasterAnn->AnnSetUser (pRasterAnn->AnnContainer, AnsiToOLESTR(""), AnsiToOLESTR("xxx"), true);
}