/// <summary> /// Dispose of resources used by the designer tool window. /// </summary> protected override void Dispose(bool disposing) { try { if (disposing) { SystemEvents.UserPreferenceChanged -= OnUserPreferenceChanged; VSColorTheme.ThemeChanged -= VSColorTheme_ThemeChanged; if (_deferredExpandAllNodes != null) { _deferredExpandAllNodes.Dispose(); _deferredExpandAllNodes = null; } if (_containerControl != null) { _containerControl.Dispose(); _containerControl = null; } if (_treeControl != null) { _treeControl.Dispose(); _treeControl = null; } if (vsEventBroadcaster != null) { vsEventBroadcaster.Dispose(); } _treeProvider = null; } } finally { base.Dispose(disposing); } }