private void SelectionChange(object cItem, bool bSelected)
{
if (null != cItem)
{
List<object> aItems;
if (null != SelectionChanging)
{
aItems = new List<object>();
aItems.Add(cItem);
SelectionChangingEventsArgs e;
if(bSelected)
e = new SelectionChangingEventsArgs(null, aItems);
else
e = new SelectionChangingEventsArgs(aItems, null);
SelectionChanging(this, e);
if (e.bCancel)
return;
}
if (null != aItemsSelected)
aItems = ((IEnumerable<object>)aItemsSelected).ToList();
else
aItems = new List<object>();
if(bSelected)
aItems.Add(cItem);
else
aItems.Remove(cItem);
_bMark = false;
aItemsSelected = aItems;
_bMark = true;
MarkRight();
}
}
