Use cWebView.pkg
Use cWebPanel.pkg
Use cWebForm.pkg 
Use csfWebPdfViewer.pkg
Use cWebCombo.pkg

Object oPdfViewerWasmDemo is a cWebView
    //Set piWidth to 700
    Set psCaption to "Wasm PdfViewer Demo"

    // Your DDO structure will go here

    Object oWebMainPanel is a cWebPanel
      Set piColumnCount to 12

      Object oSelectPdfCombo is a cWebCombo
          Set piColumnSpan to 0
          Set psLabel to "Select PDF"
          Set pbServerOnChange to True

          Procedure OnFill
            Forward Send OnFill
            Send AddComboItem "DEBUG" "DfSplat-Zoom-UK-20200709.pdf"
            Send AddComboItem "CLOUD" "DataFlex Licensing in Cloud and Virtual Machine Environments.pdf"
            Send AddComboItem "SF"    "SyncFusion-Zoom-UK-20201022.pdf"
            Send AddComboItem "SEC"   "Security of DataFlex Web Framework Applications.pdf"
            Send AddComboItem "PATCH" "Security Patch - Web Property Cross-Session Contamination.pdf"
            Send AddComboItem "NONE"  "None"
          End_Procedure


          Procedure OnChange String sNewValue String sOldValue
            String sPdf
            String sPath
            Forward Send OnChange sNewValue sOldValue
            If (sOldValue<>"" and sNewValue<>sOldValue) Begin
              Move "" To sPdf
              // The pdf demo expects that the syncfusion library is installed under http://localhost/SyncFusionDemo
              // adjust the URL accordingly
              //Move "http://localhost/SyncFusionDemo/Pdfs/" To sPath
              Move "./Pdfs/" To sPath
              Case Begin
                Case (sNewValue="DEBUG")
                  Move "DfSplat-Zoom-UK-20200709.pdf" to sPdf
                  Case Break
                Case (sNewValue="CLOUD")
                  Move "DataFlex Licensing in Cloud and Virtual Machine Environments.pdf" to sPdf
                  Case Break
                Case (sNewValue="SF")
                  Move "SyncFusion-Zoom-UK-20201022.pdf" to sPdf
                  Case Break
                Case (sNewValue="SEC")
                  Move "Security of DataFlex Web Framework Applications.pdf" to sPdf
                  Case Break
                Case (sNewValue="PATCH")
                  Move "Security Patch - Web Property Cross-Session Contamination.pdf" to sPdf
                  Case Break
                Case Else
                  Send Unload of oWebPdfViewer
              Case End
              If (sPdf<>"") Begin
                Send Load of oWebPdfViewer (sPath+sPdf)
              End  
            End
          End_Procedure

      End_Object

      Object oWebPdfViewer is a csfWebPdfViewer
        Set piColumnSpan to 12
        //
        // Remote URL 
        // Set psDocumentPath to "http://localhost/TableManager/DfSplat-Zoom-UK-20200709.pdf"
	// or locally in the html folder
        Set psDocumentPath to "./Pdfs/DfSplat-Zoom-UK-20200709.pdf"
        // Use the WASM version of the control
	// under IIS only
        //Set psResourceUrl to "http://localhost/TableManager/SyncFusion/dist/ej2-pdfviewer-lib"
	// This works in FlexTron as well as IIS
        Set psResourceUrl  to "./SyncFusion/dist/ej2-pdfviewer-lib"
        
        { WebProperty=Client }
        Property String psCurrentPdf
        
        Procedure Load String sPdf
          WebSet psCurrentPdf to sPdf
          Forward Send Load sPdf
        End_Procedure
      End_Object
        
        // place controls here
        
    End_Object 

End_Object