protected override void Initialize()
{
_batch = new SpriteBatch(GraphicsDevice);
_autotiles = new Texture2D[Constants.AUTOTILES + 1][];
_backColor = Color.Black;
Disposed += MapEditorXnaPanelDisposed;
MouseDown += this.MapEditorXnaPanelMouseDown;
MouseMove += this.MapEditorXnaPanelMouseMove;
MouseUp += this.MapEditorXnaPanelMouseUp;
ResetPoints();
}