public IList GetSingleItemList(List <WACParameter> parms, ItemGetterDelegate _getItem)
{
WACParameter wp = WACParameter.GetSelectedKey(parms);
if (FList == null || FList.Count < 1)
{
FList = _getNewSingleItemList(parms, _getItem);
}
else if (!this.SelectedKey.Equals(wp))
{
FList = _getItem(parms, VList);
}
this.SelectedKey = wp;
return(FList);
}
private IList _getNewSingleItemList(List <WACParameter> parms, ItemGetterDelegate _getItem)
{
if (VList != null)
{
FList = _getItem(parms, VList);
}
if (FList != null && VList == null)
{
Type itemType = FList[0].GetType();
Type listType = typeof(List <>).MakeGenericType(itemType);
VList = (System.Collections.IList)Activator.CreateInstance(listType);
VList.Add(FList[0]);
}
return(FList);
}
