AnnSaveTag 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();
}

/*This sample saves all objects in Wang TIFF tag, clears the rasterview control, and reloads the image.*/
void __fastcall TForm1::AnnSaveTagClick(TObject *Sender)
{
   LEADRasterIO * pRasterIO= NULL;
   CoCreateInstance(CLSID_LEADRasterIO, NULL, CLSCTX_ALL, IID_ILEADRasterIO, (void**)&pRasterIO);
   pRasterAnn->AnnSaveTag (pRasterIO, true, false);
   pRasterIO->Save (LEADRasterView1->Raster, AnsiToOLESTR("c:\\testwang.tif"), FILE_CCITT_GROUP4, 1, (QFactorConstants)2, SAVE_OVERWRITE);

   //clear the LEAD raster view control
   LEADRasterView1->Raster->Bitmap = 0;

   //Reload the image with the wang-compatible annotations
   pRasterIO->Load (LEADRasterView1->Raster, AnsiToOLESTR("c:\\testwang.tif"), 0, 0, 1);
   pRasterAnn->AnnLoad (AnsiToOLESTR("c:\\testwang.tif"), 1);
   pRasterAnn->AnnUserMode = ANN_USERMODE_DESIGN;
   pRasterIO->Release();
}