//PropertyGrid
        public static PropertyGrid propertyGrid(this UIItemContainer container)
        {
            var propertyGrids = container.items <PropertyGrid>();

            if (propertyGrids.notNull() && propertyGrids.size() > 0)
            {
                return(propertyGrids[0]);
            }
            return(null);
        }
 public static List <GroupBox> groupBoxes(this UIItemContainer container)
 {
     return(container.items <GroupBox>());
 }
 public static List <CheckBox> checkBoxes(this UIItemContainer container)
 {
     return(container.items <CheckBox>());
 }
 public static List <RadioButton> radioButtons(this UIItemContainer container)
 {
     return(container.items <RadioButton>());
 }
 public static List <Panel> panels(this UIItemContainer container)
 {
     return(container.items <Panel>());
 }
 public static List <Tree> treeViews(this UIItemContainer container)
 {
     return(container.items <Tree>());
 }
 public static List <TextBox> textBoxes(this UIItemContainer container)
 {
     return(container.items <TextBox>());
 }
 public static List <Label> labels(this UIItemContainer container)
 {
     return(container.items <Label>());
 }
 public static List <Hyperlink> links(this UIItemContainer container)
 {
     return(container.items <Hyperlink>());
 }
 public static List <Button> buttons(this UIItemContainer container)
 {
     return(container.items <Button>());
 }