UnityEditor.EditorJsonUtility.FromJsonOverwrite C# (CSharp) Method

        public static extern void FromJsonOverwrite(string json, object objectToOverwrite);
        /// <summary>

        internal void Reload(object userData)
        {
            EditorWindow editorWindow = userData as EditorWindow;

            if (!(editorWindow == null))
            {
                Type     type     = editorWindow.GetType();
                string   json     = EditorJsonUtility.ToJson(editorWindow);
                DockArea dockArea = editorWindow.m_Parent as DockArea;
                if (dockArea != null)
                {
                    int idx = dockArea.m_Panes.IndexOf(editorWindow);
                    dockArea.RemoveTab(editorWindow, false);
                    UnityEngine.Object.DestroyImmediate(editorWindow, true);
                    editorWindow = (ScriptableObject.CreateInstance(type) as EditorWindow);
                    dockArea.AddTab(idx, editorWindow);
                }
                else
                {
                    editorWindow.Close();
                    editorWindow = (ScriptableObject.CreateInstance(type) as EditorWindow);
                    if (editorWindow != null)
                    {
                        editorWindow.Show();
                    }
                }
                EditorJsonUtility.FromJsonOverwrite(json, editorWindow);
            }
        }