OptionsFileType example for C++ Builder

void __fastcall TForm1::ShowOpenDlg2Click(TObject *Sender) 
{
   L_INT i; 
   L_INT nRet; 

   LEADDlgFile1->DialogTitle = "LEADTOOLS Open dialog box";
   LEADDlgFile1->InitialDir = "c:\\images";
   LEADDlgFile1->DlgFileFlags = 0; 
   LEADDlgFile1->PreviewEnabled = true; 
   LEADDlgFile1->ShowLoadOptions = true; 
   LEADDlgFile1->LoadRotated = false; 
   LEADDlgFile1->LoadCompressed = false; 
   LEADDlgFile1->LoadPasses = 0; 
   LEADDlgFile1->MaxFileSize = 0; 
   LEADDlgFile1->MaxFileTitleSize = 0; 

   LEADDlgFile1->DlgFlags = DLG_OPEN_SHOW_PROGRESSIVE     |
                           DLG_OPEN_SHOW_MULTIPAGE       |
                           DLG_OPEN_SHOW_LOADROTATED     |
                           DLG_OPEN_SHOW_LOADCOMPRESSED  |
                           DLG_OPEN_SHOW_FILEINFO        |
                           DLG_OPEN_SHOW_PREVIEW         |
                           DLG_OPEN_SHOW_DELPAGE         |
                           DLG_OPEN_SHOW_PDFOPTIONS   |
                           DLG_OPEN_SHOW_RASTEROPTIONS   |
                           DLG_OPEN_SHOW_VECTOROPTIONS   |
                           DLG_OPEN_SHOW_LOADOPTIONS     |
                           DLG_OPEN_VIEWTOTALPAGES   |
                           DLG_OPEN_LOADBITMAP   |
                           DLG_OPEN_GENERATETHUMBNAIL; 

   LEADDlgFile1->LEADImage = LEADImage1; 
   nRet= LEADDlgFile1->ShowOpenDlg ( this ); 
   if ( nRet == SUCCESS_DLG_OK ) 
   {
      switch ( LEADDlgFile1->OptionsFileType ) 
      {
         case FILE_PCD: 
         {
            Edit1->Text= IntToStr ( LEADDlgFile1->PCDResolution ); 
         }
         break; 

         case FILE_RAS_PDF: 
         case FILE_RAS_PDF_G3_1D: 
         case FILE_RAS_PDF_G3_2D: 
         case FILE_RAS_PDF_G4: 
         case FILE_RAS_PDF_JPEG: 
         case FILE_RAS_PDF_JPEG_422: 
         case FILE_RAS_PDF_JPEG_411: 
         {
            Edit1->Text= IntToStr ( LEADDlgFile1->PDFXResolution ); 
            Edit2->Text= IntToStr ( LEADDlgFile1->PDFYResolution ); 
            Edit3->Text= IntToStr ( LEADDlgFile1->PDFDisplayDepth ); 
            Edit4->Text= IntToStr ( LEADDlgFile1->PDFTextAlpha ); 
            Edit5->Text= IntToStr ( LEADDlgFile1->PDFGraphicsAlpha ); 
         }
         break; 

         case FILE_FPX: 
         case FILE_FPX_SINGLE_COLOR: 
         case FILE_FPX_JPEG: 
         case FILE_FPX_JPEG_QFACTOR: 
         case FILE_CMW: 
         case FILE_JBIG: 
         case FILE_JP2: 
         case FILE_J2K: 
         {
            Edit1->Text= IntToStr ( LEADDlgFile1->RASTERMISCXResolution ); 
            Edit2->Text= IntToStr ( LEADDlgFile1->RASTERMISCYResolution ); 
         }
         break; 

         case FILE_WMF: 
         case FILE_EMF: 
         {
            Edit1->Text= IntToStr ( LEADDlgFile1->METAFILEXResolution ); 
            Edit2->Text= IntToStr ( LEADDlgFile1->METAFILEYResolution ); 
         }
         break; 

         case FILE_DWF: 
         case FILE_CGM: 
         case FILE_CMX: 
         case FILE_PCL: 
         case FILE_VECTOR_DUMP: 
         case FILE_PCT: 
         case FILE_DRW: 
         case FILE_INTERGRAPH_VECTOR: 
         case FILE_GERBER: 
         case FILE_SHP: 
         case FILE_SVG: 
         case FILE_VWPG: 
         {
            Edit1->Text= IntToStr ( LEADDlgFile1->VECTORMISCViewportWidth ); 
            Edit2->Text= IntToStr ( LEADDlgFile1->VECTORMISCViewportHeight ); 
            Edit3->Text= IntToStr ( LEADDlgFile1->VECTORMISCViewportMode ); 
            Edit4->Text= LEADDlgFile1->VECTORMISCFont; 
         }
         break; 

         case FILE_DXF: 
         case FILE_DXF_R13: 
         case FILE_DWG: 
         {
            Edit1->Text= IntToStr ( LEADDlgFile1->DXFViewportWidth ); 
            Edit2->Text= IntToStr ( LEADDlgFile1->DXFViewportHeight ); 
            Edit3->Text= IntToStr ( LEADDlgFile1->DXFViewportMode ); 
            Edit4->Text= LEADDlgFile1->DXFFont; 
            Edit5->Text= IntToStr ( LEADDlgFile1->DXFAutoCADColorScheme ); 
         }
         break; 

         case FILE_PLT: 
         {
            Edit1->Text= IntToStr ( LEADDlgFile1->PLTViewportWidth ); 
            Edit2->Text= IntToStr ( LEADDlgFile1->PLTViewportHeight ); 
            Edit3->Text= IntToStr ( LEADDlgFile1->PLTViewportMode ); 
            Edit4->Text= LEADDlgFile1->PLTFont; 
            Edit5->Text= "[ " + IntToStr ( LEADDlgFile1->PLTPenWidth [0] ); 
            Edit6->Text= "[ " + IntToStr ( LEADDlgFile1->PLTPenColor [0] ); 
            for ( i= 1; i < 8; i ++ ) 
            {
               Edit5->Text= Edit5->Text + ", " + IntToStr ( LEADDlgFile1->PLTPenWidth [i] ); 
               Edit6->Text= Edit6->Text + ", " + IntToStr ( LEADDlgFile1->PLTPenColor [i] ); 
            }
            Edit5->Text= Edit5->Text + " ]"; 
              Edit6->Text= Edit6->Text + " ]"; 
         }
         break; 

         default: 
         {
            Edit1->Text= "None";
         }
         break; 
      }
   }
}