private MapWindow(MapDrawer drawer, bool background)
{
this.drawer = drawer;
this.thread = new Thread(ThreadFunction);
thread.SetApartmentState(ApartmentState.STA);
thread.IsBackground = background;
thread.Start();
}
public static MapWindow Instance(MapDrawer drawer = null, bool background = true)
{
if (instance == null)
{
if (drawer != null)
{
instance = new MapWindow(drawer, background);
}
else
{
instance = new MapWindow(new MapDrawer(), background);
}
}
return instance;
}