UnityEngine.GUIUtility.Internal_GetGUIDepth C# (CSharp) Method

		internal static int Internal_GetGUIDepth(){}
		public static Vector2 GUIToScreenPoint(Vector2 guiPoint){}

 internal static void CheckOnGUI()
 {
     if (GUIUtility.Internal_GetGUIDepth() <= 0)
     {
         throw new ArgumentException("You can only call GUI functions from inside OnGUI.");
     }
 }