Listbox eleman silme

try

{

//listboxda seçileni silmek için

int index = listBox1.SelectedIndex; // index değerini aldık

listBox1.Items.Remove(listBox1.SelectedItems[index]);

// alınan index değerine göre siler ( mouse ile istediğini seçmen lazm )

MessageBox.Show("silme başarılı");

}

catch

{

MessageBox.Show("Birşey Seç Lütfen");

}

c# email kontrol

public void emailkontrol(string emailadress)

{

string strRegex = @"^([a-zA-Z0-9_\-\.]+)@((\[[0-9]{1,3}" + // email tip

@"\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\" +

@".)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$";

Regex re = new Regex(strRegex);

if (re.IsMatch(emailadress)) // eğer gelen veri email tpinde ise

{

MessageBox.Show("Email formatında(UYGUN)");

}

else

{

MessageBox.Show("Email Formatında değil!");

}

}

c# paralel

List<string> sites = new List<string>

{

"www.yahoo.com",

"www.google.com",

"www.aspsnippets.com"

};

 

List<PingReply> pingReplies = new List<PingReply>();

System.Threading.Tasks.Parallel.ForEach(sites, site =>

{

    Ping p = new Ping();

    lock (pingReplies)

    {

        pingReplies.Add(p.Send(site));

    }

});

 

foreach (var s in pingReplies.ToList())

{

    Response.Write(s.Address + ": " + s.RoundtripTime + ": " + s.Status + "<br />");

}

c# list

string[] lines = File.ReadAllLines(txtProxyListPath.Text);
List<string> list_lines = new List<string>(lines);
Parallel.ForEach(list_lines, line =>
{
    //Your stuff
});

c# task

async Task<int> AccessTheWebAsync()
{ 
    // You need to add a reference to System.Net.Http to declare client.
    HttpClient client = new HttpClient();

    // GetStringAsync returns a Task<string>. That means that when you await the
    // task you'll get a string (urlContents).
    Task<string> getStringTask = client.GetStringAsync("http://msdn.microsoft.com");

    // You can do work here that doesn't rely on the string from GetStringAsync.
    DoIndependentWork();

    // The await operator suspends AccessTheWebAsync.
    //  - AccessTheWebAsync can't continue until getStringTask is complete.
    //  - Meanwhile, control returns to the caller of AccessTheWebAsync.
    //  - Control resumes here when getStringTask is complete. 
    //  - The await operator then retrieves the string result from getStringTask.
    string urlContents = await getStringTask;

    // The return statement specifies an integer result.
    // Any methods that are awaiting AccessTheWebAsync retrieve the length value.
    return urlContents.Length;
}

The numbers in the diagram correspond 

yandex api

<script src=”http://code.jquery.com/jquery-1.10.2.js”></script >
<script>
jQuery( document ).ready(function() {
jQuery.ajax({
url: “https://translate.yandex.net/api/v1.5/tr.json/translate?key=trnsl.1.1.20140720T191145Z.05605441c6ee16dc.eaaf6c6c8690cb5fb094cea2bfec4f787af6170c&lang=fr-en&text=C%27est+la+question”&#8221;,
dataType: ‘jsonp’,
success: function (data) {
alert(‘French to English Conversion : ‘+data.text);
}
});
});
</script>

shell32

1. Right click project
2. Click Add reference
3. Click .COM tab in Add reference dialogue
4. Select Microsoft Shell Controls and Automation

c# zip işlemi

using System;
using System.IO;
using System.IO.Compression;

namespace ConsoleApplication
{
    class Program
    {
        static void Main(string[] args)
        {
            string startPath = @"c:\example\start";
            string zipPath = @"c:\example\result.zip";
            string extractPath = @"c:\example\extract";

            ZipFile.CreateFromDirectory(startPath, zipPath);

            ZipFile.ExtractToDirectory(zipPath, extractPath);
        }
    }
}

net 4.5 gereklidir.

c# yüklü programların listesi

public partial class Form1 : Form 
    { 
        public Form1() 
        { 
            InitializeComponent(); 
        } 
             
 
    private void LoadSoftwareList() 
    { 
        listBox1.Items.Clear(); 
        ManagementObjectCollection moReturn;   
        ManagementObjectSearcher moSearch; 
 
        moSearch = new ManagementObjectSearcher("Select * from Win32_Product"); 
 
        moReturn = moSearch.Get(); 
       foreach(ManagementObject mo in moReturn) 
       { 
           listBox1.Items.Add(mo["Name"].ToString()); 
       } 
 
    } 
 
 
        private void Form1_Load(object sender, EventArgs e) 
        { 
            LoadSoftwareList(); 
        }

c# açık olan formların ismi

1. using System;  
2. using System.Collections.Generic;  
3. using System.ComponentModel;  
4. using System.Data;  
5. using System.Drawing;  
6. using System.Linq;  
7. using System.Text;  
8. using System.Windows.Forms;  
9. using System.Data.SqlClient;  
10. namespace WindowsFormsApplication1  
11. {  
12.     public partial class Form3 : Form  
13.     {  
14.         public Form3()  
15.         {  
16.             InitializeComponent();  
17.         }  
18.   
19.         private void Form3_Load(object sender, EventArgs e)  
20.         {  
21.             label3.Text = Application.OpenForms.Count.ToString();  
22.             foreach (Form frm in Application.OpenForms)  
23.             {  
24.                 label1.Text = frm.Name;  
25.             }  
26.         }  
27.   
28.         private void button1_Click(object sender, EventArgs e)  
29.         {  
30.             Form1 frm1 = new Form1();  
31.             frm1.Show();  
32.         }  
33.   
34.         private void button2_Click(object sender, EventArgs e)  
35.         {  
36.             Form2 frm2 = new Form2();  
37.             frm2.Show();  
38.         }  
39.   
40.         private void button3_Click(object sender, EventArgs e)  
41.         {  
42.             label3.Text = Application.OpenForms.Count.ToString();  
43.             label1.Text = "";  
44.             foreach (Form frm in Application.OpenForms)  
45.             {  
46.                 label1.Text += frm.Name + "\n";  
47.             }  
48.         }  
49.     }  
50. }