Inheritance: EditorWindow
 public static HFTReadmeWindow GetInstance()
 {
     if (s_window == null)
     {
         s_window = ScriptableObject.CreateInstance(typeof(HFTReadmeWindow)) as HFTReadmeWindow;
     }
     s_window.ShowUtility();
     return s_window;
 }
 static public HFTReadmeWindow GetInstance()
 {
     if (s_window == null)
     {
         s_window = ScriptableObject.CreateInstance(typeof(HFTReadmeWindow)) as HFTReadmeWindow;
     }
     s_window.ShowUtility();
     return(s_window);
 }
 void OnDestroy()
 {
     s_window = null;
 }
 void OnDestroy()
 {
     s_window = null;
 }