private void RemoveItemFromSubgroupsByExhaustiveSearch(CollectionViewGroupInternal group, object item)
{
if (this.RemoveFromGroupDirectly(group, item))
{
for (var i = group.Items.Count - 1; i >= 0; i--)
{
var internal2 = group.Items[i] as CollectionViewGroupInternal;
if (internal2 != null)
{
this.RemoveItemFromSubgroupsByExhaustiveSearch(internal2, item);
}
}
}
}
private bool RemoveFromSubgroup(object item, CollectionViewGroupInternal group, int level, object name)
{
var flag = false;
var num = 0;
var count = group.Items.Count;
while (num < count)
{
var internal2 = group.Items[num] as CollectionViewGroupInternal;
if ((internal2 != null) && group.GroupBy.NamesMatch(internal2.Name, name))
{
if (this.RemoveFromSubgroups(item, internal2, level + 1))
{
flag = true;
}
return(flag);
}
num++;
}
return(true);
}
private void InitializeGroup(CollectionViewGroupInternal group, int level)
{
var groupDescription = this.GetGroupDescription(group, level);
group.GroupBy = groupDescription;
var observables = (groupDescription != null) ? groupDescription.GroupNames : null;
if (observables != null)
{
var num = 0;
var count = observables.Count;
while (num < count)
{
var internal2 = new CollectionViewGroupInternal(observables[num], group);
this.InitializeGroup(internal2, level + 1);
group.Add(internal2);
num++;
}
}
group.LastIndex = 0;
}
// Methods
public LeafEnumerator(CollectionViewGroupInternal group)
{
this._group = group;
this.DoReset();
}
// Methods
internal CollectionViewGroupInternal(object name, CollectionViewGroupInternal parent) : base(name)
{
this.Parent = parent;
}