سلام
با این تابع می تونی آهنگتو پخش کنی :
 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);
}
}

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