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private const int SC_CLOSE = 0xF060;

private const int MF_GRAYED = 0x1;

[DllImport("user32.dll")]

private static extern IntPtr GetSystemMenu(IntPtr hWnd, bool bRevert);

[DllImport("user32.dll")]

private static extern int EnableMenuItem(IntPtr hMenu, int wIDEnableItem, int wEnable);

private void Form1_Load(object sender, System.EventArgs e)

{

EnableMenuItem(GetSystemMenu(this.Handle, false), SC_CLOSE, MF_GRAYED);

}

using System;

using System.Windows.Forms;

namespace ListBoxMouse1

{

public class MainForm : System.Windows.Forms.Form

{

private System.Windows.Forms.Label label1;

private System.Windows.Forms.ListBox listBox1;

public MainForm()

{

InitializeComponent();

// now set this particular event handler to function ButtonDown()

this.listBox1.MouseDown += new System.Windows.Forms.MouseEventHandler( this.ButtonDown );

}

// program entry point

public static void Main(string[] args)

{

Application.Run(new MainForm());

}

#region Windows Forms Designer generated code

private void InitializeComponent()

{

this.listBox1 = new System.Windows.Forms.ListBox();

this.label1 = new System.Windows.Forms.Label();

this.SuspendLayout();

//

// listBox1

//

this.listBox1.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(224)), ((System.Byte)(192)));

this.listBox1.ItemHeight = 16;

this.listBox1.Location = new System.Drawing.Point(8, 16);

this.listBox1.Name = "listBox1";

this.listBox1.Size = new System.Drawing.Size(240, 196);

this.listBox1.TabIndex = 0;

//

// label1

//

this.label1.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(255)), ((System.Byte)(192)));

this.label1.Location = new System.Drawing.Point(16, 224);

this.label1.Name = "label1";

this.label1.Size = new System.Drawing.Size(232, 112);

this.label1.TabIndex = 1;

this.label1.Text = "label1";

//

// MainForm

//

this.AutoScaleBaseSize = new System.Drawing.Size(6, 15);

this.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(192)), ((System.Byte)(192)), ((System.Byte)(0)));

this.ClientSize = new System.Drawing.Size(320, 344);

this.Controls.Add(this.label1);

this.Controls.Add(this.listBox1);

this.Name = "MainForm";

this.Text = "MouseDown in a ListBox";

this.Load += new System.EventHandler(this.MainFormLoad);

this.ResumeLayout(false);

}

#endregion

// respond to mouse events in the listBox

private void ButtonDown(object sender, MouseEventArgs mea)

{

// the 0 based index of the row/item clicked

int nDx = 0;

if ( mea.Button == MouseButtons.Right )

{

label1.Text = "Right Button Clicked\n";

}

else if ( mea.Button == MouseButtons.Left )

{

label1.Text = "Left Button Clicked\n";

}

// calculate the index of the selected item or show error

nDx = mea.Y / listBox1.ItemHeight;

label1.Text = label1.Text +

"Item height = " + listBox1.ItemHeight.ToString()+ "\n" +

"X position = " + mea.X.ToString() + "\n" +

"Y position = " + mea.Y.ToString() + "\n" +

"Index = " + nDx.ToString();

if ( listBox1.Items.Count <= nDx )

{

label1.Text = label1.Text + "\nRow clicked past items loaded";

}

else

{

label1.Text = label1.Text + "\nIndex = " + listBox1.Items[nDx];

//highlight the selected row/item

listBox1.SetSelected(nDx,true);

}

}

// load the listBox with some names

void MainFormLoad(object sender, System.EventArgs e)

{

listBox1.Items.Add("Helmut");

listBox1.Items.Add("Helga");

listBox1.Items.Add("Andreas");

listBox1.Items.Add("Volger");

listBox1.Items.Add("Kurt");

listBox1.Items.Add("Erich");

listBox1.Items.Add("Bjorn");

listBox1.Items.Add("Lena");

listBox1.Items.Add("Kristina");

listBox1.Items.Add("Ulrike");

listBox1.Items.Add("Heidrun");

}

}

}

using System;

using System.Drawing;

using System.Collections;

using System.ComponentModel;

using System.Windows.Forms;

using System.Data;

using Microsoft.Win32;

using System.IO;

using System.Diagnostics;

using System.Resources;

namespace Process_Manager

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

Process myProcess = new Process();

//Declare process

txtMachine.Text = System.Environment.MachineName.ToString();

//set the machine name to textbox

}

private void FillList(string MachineName)

{

Process[] Prc;

ListViewItem lvwP;

Cursor.Current = Cursors.WaitCursor;

//Set cusrsor as wait

try

{

lvwProcesses.Items.Clear();

Prc = Process.GetProcesses(MachineName.ToString());

foreach (Process Prcs in Prc)

{

lvwP = lvwProcesses.Items.Add(Prcs.ProcessName.ToUpper());

if (MachineName != System.Environment.MachineName)

{

lvwP.SubItems.Add("Unavailable...");

lvwP.SubItems.Add("Unavailable...");

lvwP.SubItems.Add(Prcs.Id.ToString());

}

else

{

lvwP.SubItems.Add(Prcs.MainWindowTitle);

lvwP.SubItems.Add(Prcs.Responding.ToString());

lvwP.SubItems.Add(Prcs.Id.ToString());

}

}

}

catch

{

lvwProcesses.Items.Add("Error enumerating items...");

}

Cursor.Current = Cursors.Default;

}

private void Form1_Load(object sender, EventArgs e)

{

FillList(txtMachine.Text);

}

private void cmdRefresh_Click(object sender, EventArgs e)

{

FillList(txtMachine.Text);

}

}

}

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

using System.Runtime.InteropServices;

using System.IO;

namespace RBinTest

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

}

private void Form1_Load(object sender, EventArgs e)

{

// İşlemi yapan kod bu kısımdır

uint result = SHEmptyRecycleBin(IntPtr.Zero, null, 0);

// Program açılışında geri dönüşüm kutusunu boşaltır

}

enum RecycleFlags : uint

{

SHERB_NOCONFIRMATION = 0x00000001,

SHERB_NOPROGRESSUI = 0x00000001,

SHERB_NOSOUND = 0x00000004

}

[DllImport("Shell32.dll", CharSet = CharSet.Unicode)]

static extern uint SHEmptyRecycleBin(IntPtr hwnd, string pszRootPath,

RecycleFlags dwFlags);

}

}

/*

// Fonksiyon Kodları

public static Array DeleteDuplicates(Array arr)

{

// this procedure works only with vectors

if (arr.Rank != 1 )

throw new ArgumentException("Multiple-dimension arrays are not supported");

// we use a hashtable to track duplicates

// make the hash table large enough to avoid memory re-allocations

Hashtable ht = new Hashtable(arr.Length * 2);

// we will store unique elements in this ArrayList

ArrayList elements = new ArrayList();

foreach (object Value in arr)

{

if ( !ht.Contains(Value) )

{

// we've found a non duplicate

elements.Add(Value);

// remember it for later

ht.Add(Value, null);

}

}

// return an array of same type as the original array

return elements.ToArray(arr.GetType().GetElementType());

}

// Örnek Kullanım:

int[] numbers = new int[] {1, 3, 5, 2, 3, 1, 4};

int[] result = (int[]) DropDuplicates(numbers);

foreach (int num in result)

Console.WriteLine(num);