// reset CIC event if the container is being cleared.
internal override void ClearContainerForItem(
DependencyObject pContainer,
object pItem)
{
CalendarViewDayItem spContainer = (CalendarViewDayItem)(pContainer);
// There is much perf involved with doing a clear, and usually it is going to be
// a waste of time since we are going to immediately follow up with a prepare.
// Perf traces have found this to be about 8 to 12% during a full virtualization pass (!!)
// Although with other optimizations we would expect that to go down, it is unlikely to go
// down to 0. Therefore we are deferring the impl work here to later.
// We have decided to do this only for the new panels.
// also, do not defer items that are uielement. They need to be cleared straight away so that
// they can be messed with again.
m_toBeClearedContainers.Add(spContainer);
// note that if we are being cleared, we are not going to be in the
// visible index, or the caches. And thus we will never be called in the
// prepare queuing part.
if (!m_isRegisteredForCallbacks)
{
BuildTreeService spBuildTree;
spBuildTree = DXamlCore.GetCurrent().GetBuildTreeService();
spBuildTree.RegisterWork(this);
}
global::System.Diagnostics.Debug.Assert(m_isRegisteredForCallbacks);
}
private void PrepareState()
{
//CalendarDatePickerGenerated.PrepareState();
// Set a default string as the PlaceholderText property value.
string strDefaultPlaceholderText;
strDefaultPlaceholderText = DXamlCore.GetCurrent().GetLocalizedResourceString(TEXT_CALENDARDATEPICKER_DEFAULT_PLACEHOLDER_TEXT);
PlaceholderText = strDefaultPlaceholderText;
return;
}