public void IntiFile(MusicElement file)
{
//stop a song currently playing
this.StopAndCloseStream();
//and close the stream of current song
if (!System.IO.File.Exists(file.Path))//if file not exsist than return
{
return;
}
try
{
if (file.Type == MusicElement.Extension.MP3)
{
InitMP3(file.Path);
}
else
{
InitWAV(file.Path);
}
}
catch
{
MessageBox.Show("Exception occurs");
ActiveStream = null;
}
MusicLength = ActiveStream.TotalTime.TotalSeconds;
this.Play();
}
//BeforeFileButton
private void BeforeExecuteMethod(object obj)
{
if (!IsIndexOfSelectedItemCurrent)
{
this.UpdateIndexOfSelectedItem();
}
if (IndexOfSelectedItem <= 0)
{
IndexOfSelectedItem = PlayList.Count - 1;
}
else
{
IndexOfSelectedItem--;
}
selectedItem = PlayList[IndexOfSelectedItem];
MusicEngine.IntiFile(selectedItem);
}
//NextFileButton
private void NextExecuteMethod(object obj)
{
if (!IsIndexOfSelectedItemCurrent)
{
this.UpdateIndexOfSelectedItem();
}
if (IndexOfSelectedItem >= PlayList.Count - 1)
{
IndexOfSelectedItem = 0;
}
else
{
IndexOfSelectedItem++;
}
selectedItem = PlayList[IndexOfSelectedItem];
MusicEngine.IntiFile(selectedItem);
}