Save File as PDF Example (C#)

//--------------------------------------------------------------------------
// Preconditions:
// 1. Verify that the specified drawing document to open exists.
// 2. Verify that c:\test, the folder where to save
//    the PDF file, exists. If it does not exist,
//    create it or change the path to a folder that
//    exists on your system.
//
// Postconditions:
// 1. Opens the specified drawing document.
// 2. Saves all but the last drawing sheet to an array.
// 3. Saves the array of drawing sheets ato a PDF file
//    called foodprocessor.pdf.
// 4. Opens foodprocessor.pdf.
//---------------------------------------------------------------------------

using System.Runtime.InteropServices;
using SolidWorks.Interop.sldworks;
using SolidWorks.Interop.swconst;
using System;

namespace ViewPDF_CSharp.csproj
{
    partial class SolidWorksMacro
    {
        public void Main()
        {
            ExportPdfData swExportPDFData = default(ExportPdfData);
            ModelDoc2 swModel = default(ModelDoc2);
            ModelDocExtension swModExt = default(ModelDocExtension);
            DrawingDoc swDrawDoc = default(DrawingDoc);
            Sheet swSheet = default(Sheet);
            bool boolstatus = false;
            string filename = null;
            int errors = 0;
            int warnings = 0;
            string[] obj = null;


            // Save PDF file to this folder and filename
            filename = "c:\\test\\foodprocessor.pdf";

            // Open drawing document
            swModel = (ModelDoc2)swApp.OpenDoc6("C:\\Users\\Public\\Documents\\SOLIDWORKS\\SOLIDWORKS 2018\\samples\\tutorial\\advdrawings\\foodprocessor.slddrw", (int)swDocumentTypes_e.swDocDRAWING, (int)swOpenDocOptions_e.swOpenDocOptions_Silent, "", ref errors, ref warnings);
            swModExt = (ModelDocExtension)swModel.Extension;
            swExportPDFData = (ExportPdfData)swApp.GetExportFileData((int)swExportDataFileType_e.swExportPdfData);

            // Get the names of the drawing sheets in the drawing
            // to get the size of the array of drawing sheets
            swDrawDoc = (DrawingDoc)swModel;

            obj = (string[])swDrawDoc.GetSheetNames();
            int count = 0;
            count = obj.Length;
            int i = 0;
            object[] objs = new object[count - 1];
            DispatchWrapper[] arrObjIn = new DispatchWrapper[count - 1];

            // Activate each drawing sheet, except the last drawing sheet, for
            // demonstration purposes only and add each sheet to an array
            // of drawing sheets
            for (i = 0; i < count - 1; i++)
            {
                boolstatus = swDrawDoc.ActivateSheet((obj[i]));
                swSheet = (Sheet)swDrawDoc.GetCurrentSheet();
                objs[i] = swSheet;
                arrObjIn[i] = new DispatchWrapper(objs[i]);

            }

            // Save the drawings sheets to a PDF file
            boolstatus = swExportPDFData.SetSheets((int)swExportDataSheetsToExport_e.swExportData_ExportSpecifiedSheets, (arrObjIn));
            swExportPDFData.ViewPdfAfterSaving = true;
            boolstatus = swModExt.SaveAs(filename, (int)swSaveAsVersion_e.swSaveAsCurrentVersion, (int)swSaveAsOptions_e.swSaveAsOptions_Silent, swExportPDFData, ref errors, ref warnings);
        }



        public SldWorks swApp;

    }

}