AGS.Editor.PropertiesPanel.PropertiesPanel_VisibleChanged C# (CSharp) Метод

        private void PropertiesPanel_VisibleChanged(object sender, EventArgs e)
        {
            if (!this.Visible)
                return;
            // There is a strange bug that makes one tool button of the
            // PropertiesGrid dissapear after an object was assigned while the
            // grid was hidden from sight. Following code is a quick hack that
            // helps to reset control's toolbar after it becomes visible again.
            // TODO: remove this after the root of the problem is found
            // and fixed.
            if (propertiesGrid.SelectedObjects == null && propertiesGrid.SelectedObject == null)
                return;
            System.Windows.Forms.Design.PropertyTab tab = propertiesGrid.SelectedTab;
            if (propertiesGrid.SelectedObjects != null)
            {
                object[] objs = propertiesGrid.SelectedObjects;
                propertiesGrid.SelectedObjects = null;
                propertiesGrid.SelectedObjects = objs;
            }
            else if (propertiesGrid.SelectedObject != null)
            {
                object o = propertiesGrid.SelectedObject;
                propertiesGrid.SelectedObject = null;
                propertiesGrid.SelectedObject = o;
            }
            if (tab != null)
                SelectTabInPropertyGrid(tab.TabName);
        }