public static bool DeleteButton()
 {
     SkillEditorContent.DeleteButton.set_tooltip((DragAndDropManager.mode == DragAndDropManager.DragMode.None) ? Strings.get_Command_Delete() : null);
     return(SkillEditorGUILayout.MiniButtonPadded(SkillEditorContent.DeleteButton, new GUILayoutOption[0]));
 }