C#

BackgroundMusic = new MCIPlayback(Properties.Settings.Default.SOUNG_MUTE);

BackgroundMusic.Open(soundFilePath, "mpegvideo");//mp3player

BackgroundMusic.Play();

    private String alias;
  
    /// <summary>
    /// Initializes a new instance of the <see cref="MCIPlayback"/> class.
    /// </summary>
    public MCIPlayback(bool m)
    {
      muted = m;
      this.alias = Guid.NewGuid().ToString("N");
    }

    /// <summary>
    /// Öffnet einen Stream.
    /// </summary>
    /// <param name="file">Datei</param>
    /// <param name="type">Medientyp (siehe Klasssenbeschreibung)</param>
    public void Open(string file, string type)
    {
      this.alias = Guid.NewGuid().ToString("N");
      name = file;
       string cmd = "open \"" + name + "\" type " + type + " alias \"" + alias + "\"";
       // Guid.NewGuid().ToString("N") 
        
      int errCode = mciSendString(cmd, null, 0, IntPtr.Zero);
      if (errCode == 0)
        isOpen = true;
      CheckError(errCode);
    }


    /// <summary>
    /// Plays the new track. :-)
    /// </summary>
    /// <param name="file">The file.</param>
    public void PlayNewTrack(string file)
    {
      Stop();
      //Close();
      Open(file, "mpegvideo"); //mpegvideo
      Play();
    }


    /// <summary>
    /// Mutes this instance.
    /// </summary>
    public void mute()
    {
      muted = true;
      Pause();
    }



    /// <summary>
    /// Spielt geladenen Stream ab.
    /// </summary>
    public void Play()
    {
      if (muted)
      {
        Pause();
        return;
      }
      if (!isOpen)
        return;
     // SeekToStart();
      string cmd = "play \"" + name + "\"";
      int errCode = mciSendString(cmd, null, 0, IntPtr.Zero);
      CheckError(errCode);
    }
}

SpeechSynthesizer _speechSynthesizer;
	
        private void Button_Click(object sender, System.Windows.RoutedEventArgs e)
        {
			_speechSynthesizer = new SpeechSynthesizer();
        	_speechSynthesizer.Speak(Text1.Text);
        }
		
	
	

		private void Button2_Click(object sender, System.Windows.RoutedEventArgs e)
		{
			_speechSynthesizer = new SpeechSynthesizer();
		 	_speechSynthesizer.Speak(Text2.Text);
		}

using System;
using System.Windows.Forms;

namespace DelegateForm {
    public partial class Form1 : Form {
        public Form1() {
            InitializeComponent();
        }
        
        private void TestDelegate() {
            System.Threading.Thread.Sleep(1000);
            OnAdd2List myDelegate;
            myDelegate = new OnAdd2List(Add2List);
            myDelegate(DateTime.Now.ToString());
        }

        private void Add2List(string s) {
            this.listView1.Items.Add(s);
        }

        private delegate void OnAdd2List(string s);

        private void button1_Click(object sender, EventArgs e) {
            this._thread = new System.Threading.Thread(new System.Threading.ThreadStart(TestDelegate));
            this._thread.Start();
        }

        private void button2_Click(object sender, EventArgs e) {

        }

        private System.Threading.Thread _thread;
    }
}

private void InitializeTab()
        {
            int intJmlChannel = Convert.ToInt32(channel.DefaultPersister.CountChannel());
            intChannelth = 1;

            myTabs = new TabPage[intJmlChannel];
            GroupBox[] myGroupBox = new GroupBox[intJmlChannel];
            Label[] myLabelMsisdn = new Label[intJmlChannel];
            Label[] myLabelPort = new Label[intJmlChannel];
            
            List<channel> listChannel = channel.DefaultPersister.ListAll().ToList();
            myGrid = new iGrid[intJmlChannel];

            for (int i = 1; i <= intJmlChannel; i++)
            {
                myGrid[i-1] = new iGrid();
                myGrid[i-1].BorderStyle = iGBorderStyle.Flat;
                myGrid[i-1].DefaultCol.CellStyle = iGrid1DefaultCellStyle;
                myGrid[i-1].DefaultCol.ColHdrStyle = iGrid1DefaultColHdrStyle;
                myGrid[i-1].Dock = DockStyle.Fill;
                myGrid[i-1].ForeColor = SystemColors.WindowText;
                myGrid[i-1].Header.Height = 19;
                myGrid[i-1].Location = new Point(0, 0);
                myGrid[i-1].RowTextCol.CellStyle = iGrid1RowTextColCellStyle;
                myGrid[i-1].Size = new Size(902, 458);
                myGrid[i-1].TabIndex = 0;
                myGrid[i-1].TreeCol = null;
                myGrid[i-1].TreeLines.Color = SystemColors.WindowText;
                myGrid[i-1].BackColorEvenRows = Color.PaleTurquoise;
                myGrid[i - 1].ReadOnly = true;

                myTabs[i - 1] = new TabPage(listChannel[i - 1].MsisdnChannel);
                myTabs[i - 1].Name = listChannel[i-1].MsisdnChannel;

                if (listChannel[i - 1].SubDealer == 5)
                {
                    //intPosisiSD5 = i;
                    myTabs[i - 1].BackColor = Color.Pink;
                    myTabs[i - 1].ForeColor = Color.Blue;
                }

                myGroupBox[i-1] = new GroupBox();
                myGroupBox[i - 1].Dock = DockStyle.Bottom;
                myGroupBox[i - 1].TabIndex = 1;
                myGroupBox[i - 1].TabStop = false;
                myGroupBox[i-1].Location = new Point(0, 367);
                myGroupBox[i-1].Size = new Size(902, 91);

                myTabs[i - 1].Controls.Add(myGroupBox[i - 1]);
                
                myLabelMsisdn[i - 1] = new Label();
                myLabelMsisdn[i - 1].AutoSize = true;
                myLabelMsisdn[i - 1].Text = "Port : " + listChannel[i-1].PortNumber;
                myLabelMsisdn[i - 1].Location = new Point(7, 20);
                myLabelMsisdn[i-1].Size = new Size(35, 13);
                myLabelMsisdn[i-1].TabIndex = 0;

                myLabelPort[i-1] = new Label();
                myLabelPort[i-1].AutoSize = true;
                myLabelPort[i-1].Location = new Point(7, 44);
                myLabelPort[i-1].Size = new Size(35, 13);
                myLabelPort[i-1].TabIndex = 1;
                myLabelPort[i - 1].Text = "Sub Dealer : " + listChannel[i-1].SubDealer;
                
                myGroupBox[i-1].Controls.Add(myLabelMsisdn[i-1]);
                myGroupBox[i - 1].Controls.Add(myLabelPort[i - 1]);
                
                myTabs[i-1].Controls.Add(myGrid[i-1]);
                
                tabControl.Pages.Add(myTabs[i-1]);
            }
        }