Write EXCEL Document, export data to excel with X++

static void CreateExcelDocument (Args _args)
{
SysExcelApplication xlsApplication;
SysExcelWorkBooks xlsWorkBookCollection;
SysExcelWorkBook xlsWorkBook;
SysExcelWorkSheets xlsWorkSheetCollection;
SysExcelWorkSheet xlsWorkSheet;
SysExcelRange xlsRange;
CustTable custTable;
int row = 1;
str fileName;
;

// Name of the Excel document.
fileName = "C:\\test.xslx";

// Excel open and initialize.
xlsApplication = SysExcelApplication:: construct ();
xlsApplication.visible (true);

// Create an Excel Worksheet produce.
xlsWorkBookCollection = xlsApplication.workbooks();
xlsWorkBook = xlsWorkBookCollection.add();
xlsWorkSheetCollection = xlsWorkBook.worksheets();
xlsWorkSheet = xlsWorkSheetCollection.itemFromNum (1);




// Write to the worksheet cells headings.
xlsWorkSheet.cells (). item (row, 1). value ('Account Number');
xlsWorkSheet.cells (). item (row,2). value ('name');

row ++;

// Excel Worksheet with data fill / (Excel cells fill).
while select custTable
{
xlsWorkSheet.cells (). item (row, 1). value (custTable.AccountNum);
xlsWorkSheet.cells (). item (row, 2). value (custTable.Name);
row ++;
}

// Check whether the document already exists.
if (WINAPI:: fileExists (fileName))
{
Winapi:: DeleteFile (fileName);
}

// Save Excel document.
xlsWorkbook.saveAs(fileName);

// Close Excel.
xlsApplication.quit ();
xlsApplication.finalize ();
}