Каковы лучшие ресурсы для Windows Workflow Foundation (WF)? [закрытый]

использовать следующий класс

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using excel = Microsoft.Office.Interop.Excel;
using EL = ExcelLibrary.SpreadSheet;
using System.Drawing;
using System.Collections;
using System.Runtime.InteropServices;
using System.Windows.Forms;


namespace _basic
{
public class ExcelProcesser
{
    public void WriteToExcel(System.Data.DataTable dt)
    {
        excel.Application XlObj = new excel.Application();
        XlObj.Visible = false;
        excel._Workbook WbObj = (excel.Workbook)(XlObj.Workbooks.Add(""));
        excel._Worksheet WsObj = (excel.Worksheet)WbObj.ActiveSheet;
        object misValue = System.Reflection.Missing.Value;


        try
        {
            int row = 1; int col = 1;
            foreach (DataColumn column in dt.Columns)
            {
                //adding columns
                WsObj.Cells[row, col] = column.ColumnName;
                col++;
            }
            //reset column and row variables
            col = 1;
            row++;
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                //adding data
                foreach (var cell in dt.Rows[i].ItemArray)
                {
                    WsObj.Cells[row, col] = cell;
                    col++;
                }
                col = 1;
                row++;
            }
            WbObj.SaveAs(fileFullName, excel.XlFileFormat.xlWorkbookNormal, misValue, misValue, misValue, misValue, excel.XlSaveAsAccessMode.xlExclusive, misValue, misValue, misValue, misValue, misValue);
        }
        catch (Exception ex)
        {
            MessageBox.Show(ex.Message);
        }
        finally
        {
            WbObj.Close(true, misValue, misValue);
        }
    }
}

}