Revit禁用RibbonPanel选项卡

public class RightMenuFunctions
{
    public static Func<string> EnabledTrue;
}

public Result Execute(
     ExternalCommandData commandData,
     ref string message,
     ElementSet elements)
{
     InFunCtions();
}

public static void InFunCtions()
{
    A.RightMenuFunctions.EnabledTrue = EnabledTrue;
}

public static string EnabledTrue()
{
    List<RibbonPanel> list = uiapp.GetRibbonPanels("RibbonPanelName");
    RibbonPanel rp = list[0];
    rp.Enabled = true;
    return "";
}

RightMenuFunctions.EnabledTrue();