UnityEditor.ManipulationTool.OnToolGUI C# (CSharp) Method

        protected virtual void OnToolGUI(SceneView view)
        {
            if ((Selection.activeTransform != null) && !Tools.s_Hidden)
            {
                bool disabled = (!Tools.s_Hidden && EditorApplication.isPlaying) && GameObjectUtility.ContainsStatic(Selection.gameObjects);
                EditorGUI.BeginDisabledGroup(disabled);
                Vector3 handlePosition = Tools.handlePosition;
                this.ToolGUI(view, handlePosition, disabled);
                Handles.ShowStaticLabelIfNeeded(handlePosition);
                EditorGUI.EndDisabledGroup();
            }
        }