Microsoft.WindowsAPICodePack.Taskbar.TaskbarWindow.Dispose C# (CSharp) Method

        public void Dispose(bool disposing)
        {
            if (disposing)
            {
                // Dispose managed resources
                if (_tabbedThumbnailPreview != null)
                {
                    _tabbedThumbnailPreview.Dispose();
                }
                _tabbedThumbnailPreview = null;

                if (ThumbnailToolbarProxyWindow != null)
                {
                    ThumbnailToolbarProxyWindow.Dispose();
                }
                ThumbnailToolbarProxyWindow = null;

                if (TabbedThumbnailProxyWindow != null)
                {
                    TabbedThumbnailProxyWindow.Dispose();
                }
                TabbedThumbnailProxyWindow = null;

                // Don't dispose the thumbnail buttons as they might be used in another window.
                // Setting them to null will indicate we don't need use anymore.
                _thumbnailButtons = null;
            }
        }

        private static bool DispatchSystemCommandMessage(ref System.Windows.Forms.Message m, TaskbarWindow taskbarWindow)
        {
            if (m.Msg == (int)WindowMessage.SystemCommand)
            {
                if (((int)m.WParam) == TabbedThumbnailNativeMethods.ScClose)
                {
                    // Raise the event
                    if (taskbarWindow.TabbedThumbnail.OnTabbedThumbnailClosed())
                    {
                        // Remove the taskbar window from our internal list
                        if (_taskbarWindowList.Contains(taskbarWindow))
                        {
                            _taskbarWindowList.Remove(taskbarWindow);
                        }

                        taskbarWindow.Dispose();
                        taskbarWindow = null;
                    }
                }
                else if (((int)m.WParam) == TabbedThumbnailNativeMethods.ScMaximize)
                {
                    // Raise the event
                    taskbarWindow.TabbedThumbnail.OnTabbedThumbnailMaximized();
                }
                else if (((int)m.WParam) == TabbedThumbnailNativeMethods.ScMinimize)
                {
                    // Raise the event
                    taskbarWindow.TabbedThumbnail.OnTabbedThumbnailMinimized();
                }

                return(true);
            }
            return(false);
        }