// Token: 0x060026E6 RID: 9958 RVA: 0x000B848C File Offset: 0x000B668C
protected override int GetSizeOfSetCore()
{
int num = base.GetSizeOfSetCore();
if (num == -1)
{
GroupItem groupItem = (GroupItem)base.Owner;
CollectionViewGroupInternal collectionViewGroupInternal = groupItem.GetValue(ItemContainerGenerator.ItemForItemContainerProperty) as CollectionViewGroupInternal;
if (collectionViewGroupInternal != null)
{
CollectionViewGroup parent = collectionViewGroupInternal.Parent;
if (parent != null)
{
num = parent.Items.Count;
}
}
}
return(num);
}
/// <summary>
/// Gets the size of a set that contains this GroupItem.
/// </summary>
/// <remarks>
/// Gets the CollectionViewGroupInternal linked to this groupItem via ItemForItemContainerProperty,
/// this collection describes the elements belonging to this GroupItem, we need the collection this
/// GroupItem belongs to, so we look one level up using Parent.
/// </remarks>
override protected int GetSizeOfSetCore()
{
int sizeOfSet = base.GetSizeOfSetCore();
if (sizeOfSet == AutomationProperties.AutomationSizeOfSetDefault)
{
GroupItem groupItem = (GroupItem)Owner;
CollectionViewGroupInternal group = groupItem.GetValue(ItemContainerGenerator.ItemForItemContainerProperty) as CollectionViewGroupInternal;
if (group != null)
{
CollectionViewGroup parent = group.Parent;
if (parent != null)
{
sizeOfSet = parent.Items.Count;
}
}
}
return(sizeOfSet);
}
/// <summary>
/// Gets the position of this GroupItem within a set.
/// </summary>
/// <remarks>
/// Gets the CollectionViewGroupInternal linked to this groupItem via ItemForItemContainerProperty,
/// this collection describes the elements belonging to this GroupItem, we need the collection this
/// GroupItem belongs to, so we look one level up using Parent.
/// </remarks>
override protected int GetPositionInSetCore()
{
int positionInSet = base.GetPositionInSetCore();
if (positionInSet == AutomationProperties.AutomationPositionInSetDefault)
{
GroupItem groupItem = (GroupItem)Owner;
CollectionViewGroupInternal group = groupItem.GetValue(ItemContainerGenerator.ItemForItemContainerProperty) as CollectionViewGroupInternal;
if (group != null)
{
CollectionViewGroup parent = group.Parent;
if (parent != null)
{
positionInSet = parent.Items.IndexOf(group) + 1;
}
}
}
return(positionInSet);
}