public void OnGUI()
{
Instance = this;
var rect = new Rect(0f, 0f, this.position.width, this.position.height);
GUILayout.BeginArea(rect);
_scrollPosition = GUILayout.BeginScrollView(_scrollPosition);
InvertApplication.SignalEvent<IDrawGraphExplorer>(_ => _.DrawGraphExplorer(rect));
GUILayout.EndScrollView();
GUILayout.EndArea();
}