// CLASS: BackGroundMusicGP
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.IO;
namespace BackGroundMusicGP
{
class BkGrndMusic
{
private string _command;
private bool isOpen;
[DllImport("winmm.dll")]
private static extern long mciSendString(string strCommand,StringBuilder strReturn,int iReturnLength, IntPtr hwndCallback);
public void Close()
{
_command = "close MediaFile";
mciSendString(_command, null, 0, IntPtr.Zero);
isOpen = false;
}
public void Open(string sFileName)
{
_command = "open \"" + sFileName + "\" type mpegvideo alias MediaFile";
mciSendString(_command, null, 0, IntPtr.Zero);
isOpen = true;
}
public void Play(bool loop)
{
if(isOpen)
{
_command = "play MediaFile";
if (loop)
_command += " REPEAT";
mciSendString(_command, null, 0, IntPtr.Zero);
}
}
public void playMusic()
{
string path = "E:\\abc\\Habib.mp3";
string filename = Path.GetFileName(path);
Open(filename);
Play(false);
}
}
}
///////////////////////////
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public partial class Form1 : Form
{
BkGrndMusic objBkMusic;
public Form1()
{
InitializeComponent();
objBkMusic = new BkGrndMusic();
}
private void button1_Click(object sender, EventArgs e)
{
Thread t = new Thread(new ThreadStart(objBkMusic.playMusic));
t.Start(); // it doesn't work
//objBkMusic.playMusic(); // it works
}How can i play background music using thread? when i call directly using object of the class then it works. But when i call using thread it doesn't work.
