UnityEditor.SessionState.SetVector3 C# (CSharp) Method

        internal static void SetVector3(string key, Vector3 value)
        {
            INTERNAL_CALL_SetVector3(key, ref value);
        }
    }

        public void Clear()
        {
            ParticleSystem root = this.GetRoot();

            if (this.ShouldManagePlaybackState(root) && (root != null))
            {
                PlayState playing;
                if (this.IsPlaying())
                {
                    playing = PlayState.Playing;
                }
                else if (this.IsPaused())
                {
                    playing = PlayState.Paused;
                }
                else
                {
                    playing = PlayState.Stopped;
                }
                int instanceID = root.GetInstanceID();
                SessionState.SetVector3("SimulationState" + instanceID, new Vector3((float)instanceID, (float)playing, ParticleSystemEditorUtils.editorPlaybackTime));
            }
            this.m_ParticleSystemCurveEditor.OnDisable();
            ParticleEffectUtils.ClearPlanes();
            Tools.s_Hidden = false;
            if (root != null)
            {
                SessionState.SetBool("ShowSelected" + root.GetInstanceID(), this.m_ShowOnlySelectedMode);
            }
            this.SetShowOnlySelectedMode(false);
            GameView.RepaintAll();
            SceneView.RepaintAll();
        }