public void PlayOrPauseMusic()
{
if (_music == null) return;
_music.PlayOrPause();
pauseTool.CheckState = _music.IsPaused ? CheckState.Checked : CheckState.Unchecked;
playTool.Image = _music.IsPaused ? _playIcons.Images["pause"] : _playIcons.Images["play"];
playTool.Text = _music.IsPaused ? "Paused" : "Playing";
}