How to create conditional formatting in C++.NET

/*-----------------------------------------------------------
 | Tutorial 14
 |
 | This tutorial shows how to create an Excel file in C++.NET
 | having a sheet and conditional formatting for cell ranges.
 ----------------------------------------------------------*/

using namespace System;
using namespace System::Drawing;
using namespace EasyXLS;
using namespace EasyXLS::Constants;

int main()
{
    Console::WriteLine("Tutorial 14\n----------\n");

    // Create an instance of the class that exports Excel files having one sheet
    ExcelDocument ^workbook = gcnew ExcelDocument(1);
      
    // Get the table of data for the first worksheet
    ExcelWorksheet ^xlsTab = safe_cast<ExcelWorksheet^>(workbook->easy_getSheet("Sheet1"));
    ExcelTable ^xlsTable = xlsTab->easy_getExcelTable();

    // Add data in cells
    for (int i=0;i<6;i++)
    {
        for (int j=0;j<4;j++)
        {
            if((i<2)&&(j<2))
                xlsTable->easy_getCell(i, j)->setValue("12");
            else
                if((j==2)&&(i<2))
                    xlsTable->easy_getCell(i, j)->setValue("1000");
                else
                    xlsTable->easy_getCell(i, j)->setValue("9");
            xlsTable->easy_getCell(i, j)->setDataType(DataType::NUMERIC);
        }
    }
  
    // Set conditional formatting
    xlsTab->easy_addConditionalFormatting("A1:C3", ConditionalFormatting::OPERATOR_BETWEEN, 
        "=9", "=11", true, true, Color::Red);

    // Set another conditional formatting
    xlsTab->easy_addConditionalFormatting("A6:C6", ConditionalFormatting::OPERATOR_BETWEEN, 
        "=COS(PI())+2", "", Color::Bisque);
    xlsTab->easy_getConditionalFormattingAt("A6:C6")->getConditionAt(0)->setConditionType(
        ConditionalFormatting::CONDITIONAL_FORMATTING_TYPE_EVALUATE_FORMULA);
       
    // Export Excel file
    Console::WriteLine("Writing file C:\\Samples\\Tutorial14 - conditional formatting in Excel.xlsx.");
    workbook->easy_WriteXLSXFile("C:\\Samples\\Tutorial14 - conditional formatting in Excel.xlsx");

    // Confirm export of Excel file
    String ^sError = workbook->easy_getError();
    if (sError->Equals(""))
        Console::Write("\nFile successfully created. Press Enter to Exit...");
    else
        Console::Write(String::Concat("\nError encountered: ", sError, "\nPress Enter to Exit..."));

    // Dispose memory
    delete workbook;

    Console::ReadLine();

    return 0;
}