public static void SavePosition(IPreferences preferences)
{
if(taskWindow != null) {
int x;
int y;
int width;
int height;
taskWindow.GetPosition(out x, out y);
taskWindow.GetSize(out width, out height);
lastXPos = x;
lastYPos = y;
preferences.SetInt("MainWindowLastXPos", lastXPos);
preferences.SetInt("MainWindowLastYPos", lastYPos);
preferences.SetInt("MainWindowWidth", width);
preferences.SetInt("MainWindowHeight", height);
}
}