/// <summary>
/// Return the MeVirtualHandler for the supplied cache, creating it if needed.
/// </summary>
/// <param name="cda"></param>
/// <param name="className">name of class to define prop for</param>
/// <param name="fieldName">field name for virtual prop</param>
/// <param name="cpt">type of property, from CellarModuleDefns</param>
/// <returns></returns>
public static DummyVirtualHandler InstallDummyHandler(IVwCacheDa cda, string className, string fieldName, int cpt)
{
DummyVirtualHandler vh = (DummyVirtualHandler)cda.GetVirtualHandlerName(className, fieldName);
if (vh == null)
{
vh = new DummyVirtualHandler();
vh.Type = cpt;
vh.ClassName = className;
vh.FieldName = fieldName;
cda.InstallVirtual(vh);
}
return vh;
}