All of these tools are shipped as part of Visual Studio but are not installed in the same way as you would install them manually. They are all located in the Visual Studio install directory and are used by some of the new features such as the Task Runner Explorer and the new ASP.NET 5 project system.
DuoCode is an alternative compiler, powered by Microsoft® Roslyn, and integrated in Visual Studio.
It magically cross-compiles your C# 6.0 code into high-quality readable JavaScript code, enabling rapid development of web applications utilizing the extensive features of the C# language, the Visual Studio IDE, and the .NET Framework base class libraries.
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 string TestNoneAsync()
{
var webClient = new WebClient();
return webClient.DownloadString("http://www.google.com");
} public void TestAsync()
{
var webClient = new WebClient();
webClient.DownloadStringAsync(new Uri("http://www.google.com"));
webClient.DownloadStringCompleted += webClientDownloadStringCompleted;
}
void webClientDownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)
{
// use e.Result
} using System;
using System.Linq;
using System.Net;
using System.Windows.Forms;
namespace Async02
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void btnGetInfo_Click(object sender, EventArgs e)
{
var req = (HttpWebRequest)WebRequest.Create("http://www.google.com");
req.Method = "HEAD";
req.BeginGetResponse(
asyncResult =>
{
var resp = (HttpWebResponse)req.EndGetResponse(asyncResult);
var headersText = formatHeaders(resp.Headers);
txtResults.Text = headersText;
}, null);
}
private string formatHeaders(WebHeaderCollection headers)
{
var headerString = headers.Keys.Cast<string>()
.Select(header => string.Format("{0}:{1}", header, headers[header]));
return string.Join(Environment.NewLine, headerString.ToArray());
}
}
} An exception of type 'System.InvalidOperationException' occurred in System.Windows.Forms.dll but was not handled in user code Additional information: Cross-thread operation not valid: Control 'txtResults' accessed from a thread other than the thread it was created on.
private void btnGetInfo_Click(object sender, EventArgs e)
{
var sync = SynchronizationContext.Current;
var req = (HttpWebRequest)WebRequest.Create("http://www.google.com");
req.Method = "HEAD";
req.BeginGetResponse(
asyncResult =>
{
var resp = (HttpWebResponse)req.EndGetResponse(asyncResult);
var headersText = formatHeaders(resp.Headers);
sync.Post(delegate { txtResults.Text = headersText; }, null);
}, null);
} 
using System;
using System.Threading.Tasks;
namespace Async01
{
public class AsyncExample
{
public async Task DoWorkAsync(int parameter)
{
await Task.Delay(parameter);
Console.WriteLine(parameter);
}
}
} public async Task<double> GetNumberAsync()
{
var generator = new Random();
await Task.Delay(generator.Next(1000));
return generator.NextDouble();
} public async Task<double> GetSumAsync()
{
var leftOperand = await GetNumberAsync();
var rightOperand = await GetNumberAsync();
return leftOperand + rightOperand;
} public async Task<double> GetProductOfSumAsync()
{
var leftOperand = GetSumAsync();
var rightOperand = GetSumAsync();
return await leftOperand * await rightOperand;
} Operator '*' cannot be applied to operands of type 'System.Threading.Tasks.Task<double>' and 'System.Threading.Tasks.Task<double>'
public async Task<string> DownloadAsync()
{
var webClient = new WebClient();
return await webClient.DownloadStringTaskAsync("http://www.google.com");
} public void TestDownloadAsync()
{
Debug.WriteLine("Before DownloadAsync");
DownloadAsync();
Debug.WriteLine("After DownloadAsync");
} Before DownloadAsync After DownloadAsync
PM> Install-Package Microsoft.Bcl.Async
<%@ Page Language="C#" MasterPageFile="~/Views/Shared/Site.Master"
Inherits="System.Web.Mvc.ViewPage<System.Web.Mvc.HandleErrorInfo>" %>
<asp:Content ID="errorTitle" ContentPlaceHolderID="TitleContent" runat="server">
Error
</asp:Content>
<asp:Content ID="errorContent" ContentPlaceHolderID="MainContent" runat="server">
<h2>
Sorry, an error occurred while processing your request.
</h2>
</asp:Content>
