protected override void Dispose(bool disposing)
{
Trace.WriteLine(String.Format(CultureInfo.CurrentUICulture, "Entering Dispose() of: {0}", this.ToString()));
_OnIdleEvent.OnIdleEvent -= new OnIdleEvent(sccService.UpdateDirtyNodesGlyphs);
_OnIdleEvent.UnRegisterForIdleTimeCallbacks();
_SccProvider = null;
sccService.Dispose();
base.Dispose(disposing);
}