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using Office Interop .NET Assembly
  1. How-to
0 Votes
  1. Peter Currier
  2. PowerBuilder
  3. Tuesday, 15 September 2020 06:40 PM UTC

I am trying to use Powerbuilder 2019 R2 to load the Office Interop .NET assembly so that I can format an existing Excel spreadsheet.   I have found some C# code that opens Excel and then instantiates the Excel Workbook by opening a file using the Excel Application class.   I am trying to duplicate that process in Powerbuilder.

I used the .NET DLL Importer and it created NVOs for the Application , Workbook, and Worksheet Classes from  Microsoft.Office.Interop.Excell.dll.

The Powerbuilder code below works and opens an EXCEL process.


Powerbuilder Code:

nvo_applicationclass lnvo_app
nvo_workbookclass lnvo_wb
nvo_worksheetclass lnvo_ws

dotnetassembly lcs_ass_excel
long li_return
string ls_text

lcs_ass_excel = CREATE dotnetassembly

lnvo_app = CREATE nvo_applicationclass
lnvo_wb = CREATE nvo_workbookclass
lnvo_ws = CREATE nvo_worksheetclass

li_return = lcs_ass_excel.LoadWithDotNetFramework("microsoft.office.interop.excel.dll")

if li_return < 0 then
    messagebox('Load .NET Failed', lcs_ass_excel.ErrorText)
    return
end if

li_return = lcs_ass_excel.CreateInstance ("microsoft.office.interop.excel.ApplicationClass", lnvo_app)

The next step would be to Open the XLSX file and instantiate the Workbook- similar to this C#code:

Excel.Application MyApp = new Excel.Application();
Excel.Workbook myWorkbook = MyApp.Workbooks.Open(FilePath,Type.Missing, Type.Missing, Type.Missing, Type.Missing,Type.Missing, Type.Missing, Type.Missing, Type.Missing,Type.Missing, Type.Missing, Type.Missing, Type.Missing,Type.Missing, Type.Missing);

Is this possible using the .NET tools in Powerbuilder 2019 R2?

 

Peter

Unable to successfully generate PBL's from source (in the ws... DLL Redirection Throwing Error
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