Exporting to Excel with Microsoft.Dynamics.AX.Fim.Spreadsheets.* classes

While looking for a way to export to Excel in batch, I investigated what they do in financial statements (LedgerBalanceSheetDimPrintExcelEngine class).

Pros:

• It is possible to use these .NET components in batch on the server side
• Execution is way faster than that of the SysExcel* classes

Cons:

• It looks like it is not possible to create more columns than there are letters in the English alphabet
• Less flexible comparing to standard SysExcel classes, so manual formatting will likely be needed in the end. 

static void AnotherWayToExportToExcel(Args _args)
{
    #define.ReadWritePermission('RW')
    #define.FileName('c:\myFile.xlsx')
    #define.ExcelColumnWidth(15)
    #define.ExcelCellFontSize("Microsoft.Dynamics.AX.Fim.Spreadsheets.CellFontSize")
    #define.Size9("Size9")    
 
    CustTable custTable;
 
    Microsoft.Dynamics.AX.Fim.Spreadsheets.Spreadsheet spreadsheet;
    Microsoft.Dynamics.AX.Fim.Spreadsheets.CellProperties cellProperties;    
    Microsoft.Dynamics.AX.Fim.Spreadsheets.ColumnProperties columnProperties;    
 
    void addColumn(str _name)
    {
        columnProperties = new Microsoft.Dynamics.AX.Fim.Spreadsheets.ColumnProperties();
        columnProperties.set_Width(#ExcelColumnWidth);
        spreadSheet.InstantiateColumn(columnProperties);
 
        cellProperties = new Microsoft.Dynamics.AX.Fim.Spreadsheets.CellProperties();
        cellProperties.set_FontSize(CLRInterop::parseClrEnum(#ExcelCellFontSize, #Size9));
        cellProperties.set_Bold(true);
 
        spreadSheet.AddStringCellToWorkbook(_name, cellProperties);
    }    
 
    new FileIOPermission(#FileName, #ReadWritePermission).assert();
 
    spreadSheet = new Microsoft.Dynamics.AX.Fim.Spreadsheets.Spreadsheet();
 
    if (!spreadSheet.CreateSpreadsheet(#FileName))
    {
        throw error(strFmt("@SYS72245", #FileName));
    }
 
    addColumn("Customer name");
    addColumn("Balance");    
 
    while select custTable
    {
        spreadSheet.MoveToNextRowInWorkbook();        
 
        cellProperties = new Microsoft.Dynamics.AX.Fim.Spreadsheets.CellProperties();
        cellProperties.set_FontSize(CLRInterop::parseClrEnum(#ExcelCellFontSize, #Size9));        
 
        spreadSheet.AddStringCellToWorkbook(custTable.name(), cellProperties);            
        spreadSheet.AddNumberCellToWorkbook(real2double(custTable.openBalanceCur()), cellProperties);                    
    }
 
    spreadSheet.WriteFile();
    spreadSheet.Dispose();
 
    CodeAccessPermission::revertAssert();    
}

Output: