Single Threaded           /ML        -  MS VC++ often defaults to  this for the release  version of a new project.
   Debug Single Threaded     /MLd  -  MS VC++ often defaults to  this for the debug version of a new project.
   Multithreaded             /MT
   Debug Multithreaded       /MTd
   Multithreaded DLL         /MD        -  OpenSSL defaults to this.
   Debug Multithreaded DLL   /MDd

#include "stdafx.h"
#include <openssl/bn.h>
#include <string.h>


void RotateBytes(unsigned char *in, int n)
{
 unsigned char *e=in+n-1;
 do {
  unsigned char temp=*in;
  *in++=*e;
  *e-- =temp;
 } while(in<e);
}

int _tmain(int argc, _TCHAR* argv[])
{
 //دو عدد بزرگ جهت آزمایش
 unsigned char testP[] = {0xD1,0x31,0x85,0x4D,0x00,0xD6,0x31,0x97,0x3A,0xFC,0xD2,0x27,0x02,0xEF,0xC2,0xA7};
   unsigned char testA[] = {0xC7,0x1B,0x25,0x72,0x03,0xCB,0x72,0x03,0xCF,0x23,0x27,0x2D,0x00,0xD6,0x31,0x98};      

 //تبدیل آرایه‌های فوق به فرمت اعداد بزرگ
 BIGNUM *a = BN_new();
 //it should be in "big-endian" form
 RotateBytes(testA, 16); 
 BN_bin2bn(testA, 16, a);
 
 BIGNUM *p = BN_new();
 //it should be in "big-endian" form
 RotateBytes(testP, 16);
 BN_bin2bn(testP, 16, p);


 //ضرب این دو عدد در هم
 BIGNUM *result = BN_new();
 BN_CTX *ctx = BN_CTX_new();

 BN_mul(result, a, p, ctx);

 //نمایش نتیجه
 //حاصل از چند بایت تشکیل شده؟
 int num = BN_num_bytes(result);
 if(num>0) 
 {
  unsigned char *tmpdata;
  if((tmpdata=(unsigned char *)malloc(num)))
   memset(tmpdata, 0, num);

  //تبدیل عدد با فرمت اعداد بزرگ به آرایه‌ای از بایت‌ها
  BN_bn2bin(result, tmpdata);   
  RotateBytes(tmpdata, num);

  for(int i=0; i<num; i++)
  {
   if(i%16==0) printf("\n");
   printf("%02X ",tmpdata[i]);
  }  

  if(tmpdata) free(tmpdata);  
 }


 //آزاد سازی منابع
 BN_free(a);
 BN_free(p);
 BN_CTX_free(ctx);

 return 0;
}

        public void PageFinished(PdfWriter writer, Document document, IList<SummaryCellData> columnCellsSummaryData)
        {
            var pageSize = document.PageSize;
            var text = "صفحه " + writer.PageNumber + " از ";
            var textLen = _font.BaseFont.GetWidthPoint(text, _font.Size) + 17;
            var positionX = pageSize.Right - 10;
            var align = _direction == PdfRunDirection.RightToLeft ? Element.ALIGN_RIGHT : Element.ALIGN_LEFT;
            ColumnText.ShowTextAligned(
                canvas: _pdfContentByte,
                alignment: align,
                phrase: ReportMethod.SetFont(text, 20),
                x: positionX,
                y: pageSize.GetBottom(4),
                rotation: 0,
                runDirection: (int)_direction,
                arabicOptions: 0);
            var x = _direction == PdfRunDirection.RightToLeft ? positionX - textLen : positionX + textLen;
            _pdfContentByte.AddTemplate(_template, x, pageSize.GetBottom(4));
            //--------------------------------------
            if (_Info != null)
            {
                var table = new PdfGrid(1) { RunDirection = (int)_direction, WidthPercentage = 100 };

                string[] msgField = { "مدیر گروه", _Info.Where(sp => sp.ID == _MemberID).FirstOrDefault().InstKindName, _Info.Where(sp => sp.ID == 0).FirstOrDefault().InstKindName, "امور مالی", "معاون پشتیبانی" };
                string[] dataField = { "", _Info.Where(sp => sp.ID == _MemberID).FirstOrDefault().MasterName, _Info.Where(sp => sp.ID == 0).FirstOrDefault().MasterName, "", _Info.Where(sp => sp.ID == 1).FirstOrDefault().MasterName };
                var infoTable = new PdfGrid(msgField.Length) { RunDirection = PdfWriter.RUN_DIRECTION_RTL, WidthPercentage = 100 };
                foreach (var item in msgField)
                {
                    infoTable.AddCell(ReportMethod.SetCell(item, PdfPCell.NO_BORDER, 1, PdfPCell.ALIGN_CENTER, PdfPCell.ALIGN_MIDDLE, true, 20));
                }
                foreach (var item in dataField)
                {
                    infoTable.AddCell(ReportMethod.SetCell(item, PdfPCell.NO_BORDER, 1, PdfPCell.ALIGN_CENTER, PdfPCell.ALIGN_MIDDLE, true, 20));
                }

                table.AddCell(infoTable);
                table.SetTotalWidth(new[] { pageSize.Width - document.LeftMargin - document.RightMargin });
                table.WriteSelectedRows(
                        rowStart: 0,
                        rowEnd: -1,
                        xPos: document.LeftMargin,
                        yPos: document.BottomMargin - 10,
                        canvas: writer.DirectContent);

            }
        }

using System.Windows.Forms;

namespace WpfPdfViewer.Controls
{
    public partial class AcroReader : UserControl
    {
        public AcroReader(string fileName)
        {
            InitializeComponent();
            ShowPdf(fileName);
        }

        public void ShowPdf(string fileName)
        {
            if (string.IsNullOrWhiteSpace(fileName)) return;
            axAcroPDF1.LoadFile(fileName);
            axAcroPDF1.setShowToolbar(true);
            axAcroPDF1.Show();
        }
    }
}

<Window x:Class="WpfPdfViewer.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <Grid>
        <WindowsFormsHost x:Name="WindowsFormsHost1" />
    </Grid>
</Window>

using WpfPdfViewer.Controls;

namespace WpfPdfViewer
{
    public partial class MainWindow
    {
        public MainWindow()
        {
            InitializeComponent();
            WindowsFormsHost1.Child = new AcroReader(@"PageSummary.pdf");
        }
    }
}

using System;
using System.Windows;
using System.Windows.Forms;
using System.Windows.Forms.Integration;

namespace WpfPdfViewer.Behaviors
{
    public class WindowsFormsHostBehavior : DependencyObject
    {
        public static readonly DependencyProperty BindableChildProperty =
                                    DependencyProperty.RegisterAttached("BindableChild",
                                    typeof(Control),
                                    typeof(WindowsFormsHostBehavior),
                                    new UIPropertyMetadata(null, BindableChildPropertyChanged));

        public static Control GetBindableChild(DependencyObject obj)
        {
            return (Control)obj.GetValue(BindableChildProperty);
        }

        public static void SetBindableChild(DependencyObject obj, Control value)
        {
            obj.SetValue(BindableChildProperty, value);
        }

        public static void BindableChildPropertyChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
        {
            var windowsFormsHost = o as WindowsFormsHost;
            if (windowsFormsHost == null)
                throw new InvalidOperationException("This behavior can only be attached to a WindowsFormsHost.");

            var control = (Control)e.NewValue;
            windowsFormsHost.Child = control;
        }
    }
}

<WindowsFormsHost 
       Behaviors:WindowsFormsHostBehavior.BindableChild="{Binding ...}" />

sealed class DeviceStatus : IEquatable<DeviceStatus>
    {
        [Flags]
        private enum StatusRepresentation
        {
            AllFine = 0,
            NotOperational = 1,
            VisiblyDamaged = 2,
            CircuitryFailed = 4
        }

        private StatusRepresentation Representation { get; }

        private DeviceStatus(StatusRepresentation representation)
        {
            this.Representation = representation;
        }

        public static DeviceStatus AllFine() =>
            new DeviceStatus(StatusRepresentation.AllFine);

        public DeviceStatus WithVisibleDamage() =>
            new DeviceStatus(this.Representation | StatusRepresentation.VisiblyDamaged);

        public DeviceStatus NotOperational() =>
            new DeviceStatus(this.Representation | StatusRepresentation.NotOperational);

        public DeviceStatus Repaired() =>
            new DeviceStatus(this.Representation & ~StatusRepresentation.NotOperational);

        public DeviceStatus CircuitryFailed() =>
            new DeviceStatus(this.Representation | StatusRepresentation.CircuitryFailed);

        public DeviceStatus CircuitryReplaced() =>
            new DeviceStatus(this.Representation & ~StatusRepresentation.CircuitryFailed);

        public override int GetHashCode() => (int)this.Representation;

        public override bool Equals(object obj) => this.Equals(obj as DeviceStatus);

        public bool Equals(DeviceStatus other) =>
            other != null && this.Representation == other.Representation;

        public static bool operator ==(DeviceStatus a, DeviceStatus b) =>
            (object.ReferenceEquals(a, null) && object.ReferenceEquals(b, null)) ||
            (!object.ReferenceEquals(a, null) && a.Equals(b));

        public static bool operator !=(DeviceStatus a, DeviceStatus b) => !(a == b);
    }

namespace Project.Models
{
    public class EmployeeCreateModel
    {
        [Required]
        [Display(Name = "آدرس ایمیل")]
        [EmailAddress(ErrorMessage = "لطفاً {0} معتبر وارد کنید.")]
        [Remote("UserExistByEmailValidation",
            HttpMethod = "POST",
            ErrorMessage = "ایمیل وارد شده هم اکنون توسط یکی از کاربران مورد استفاده است.‏")]
        public string Email { get; set; }
    
     ...

     }
}

namespace Project.Web.Controllers
{
    [RoutePrefix("UserValidation")]
    [Route("{Action}")]
    [OutputCache(Location = OutputCacheLocation.None, NoStore = true)]
    public partial class UserValidationController : Controller
    {
        readonly IUserService<User> _userService;
        readonly IUnitOfWork _uow;

        public UserValidationController(IUnitOfWork uow, IUserService<User> userService)
        {
            _userService = userService;
            _uow = uow;
        }

        [HttpPost]
        [Route("~/CheckEmail", Name = "UserExistByEmailValidation")]
        public virtual JsonResult CheckEmail(string email)
        {
            return Json(!_userService.UserExistsByEmail(email));
        }

        [HttpPost]
        [Route("~/CheckEmailForOtherUser", Name = "EmailExistForOtherUserValidation")]
        public virtual JsonResult CheckEmailForOtherUser(string email, int id)
        {
            return Json(!_userService.EmailExistForOtherUser(email, id));
        }
    }
}

@section Scripts {
    @Scripts.Render("~/bundles/jqueryval")
}

public static class ObsoleteExample
{
    // Mark OrderDetailTotal As Obsolete.
    [ObsoleteAttribute("This property (OrderDetailTotal) is obsolete. Use InvoiceTotal instead.", false)]
    public static decimal OrderDetailTotal
    {
        get  {  return 12m; }
    }

    public static decimal InvoiceTotal
    {
        get  {  return 25m;  }
    }

    // Mark CalculateOrderDetailTotal As Obsolete.
    [ObsoleteAttribute("This method is obsolete. Call CalculateInvoiceTotal instead.", true)]
    public static decimal CalculateOrderDetailTotal()
    {
        return 0m;
    }

    public static decimal CalculateInvoiceTotal()
    {
        return 1m;
    }
}

public class DefaultValueAttributeTest
{
    public DefaultValueAttributeTest()
    {
        // Use the DefaultValue propety of each property to actually set it, via reflection.
        foreach (PropertyDescriptor prop in TypeDescriptor.GetProperties(this))
        {
            var attr = prop.Attributes[typeof(DefaultValueAttribute)] as DefaultValueAttribute;
            if (attr != null)
                prop.SetValue(this, attr.Value);
        }
    }

    [DefaultValue(28)]
    public int Age { get; set; }

    [DefaultValue("Vahid")]
    public string FirstName { get; set; }

    [DefaultValue("Mohammad Taheri")]
    public string LastName { get; set; }

    public override string ToString()
    {
        return $"{this.FirstName} {this.LastName} is {this.Age}.";
    }
}

int? x = null;
int y = x ?? -1;
Console.WriteLine("y now equals -1 because x was null => {0}", y);
int i = DefaultValueOperatorTest.GetNullableInt() ?? default(int);
Console.WriteLine("i equals now 0 because GetNullableInt() returned null => {0}", i);
string s = DefaultValueOperatorTest.GetStringValue();
Console.WriteLine("Returns 'Unspecified' because s is null => {0}", s ?? "Unspecified");