internal RawItem GetRawItemAtGlobalSortedIndex(int index)
{
if (this.IsBottomLevel)
{
return(m_sortedRawItems[index]);
}
else
{
int count = this.ItemCount;
for (int i = 0; i < count; i++)
{
DataGridCollectionViewGroup subGroups = this.ProtectedItems[i] as DataGridCollectionViewGroup;
if (subGroups == null)
{
throw new InvalidOperationException("Sub-groups cannot be null (Nothing in Visual Basic).");
}
int subGroupCount = subGroups.GlobalRawItemCount;
if (index < subGroupCount)
{
return(subGroups.GetRawItemAtGlobalSortedIndex(index));
}
index -= subGroupCount;
}
}
throw new ArgumentOutOfRangeException("index");
}
internal RawItem GetRawItemAtGlobalSortedIndex(int index)
{
if (this.IsBottomLevel)
{
return(m_sortedRawItems[index]);
}
else
{
foreach (object value in this.ProtectedItems)
{
DataGridCollectionViewGroup subGroup = value as DataGridCollectionViewGroup;
int subGroupCount = subGroup.GlobalRawItemCount;
if (index < subGroupCount)
{
return(subGroup.GetRawItemAtGlobalSortedIndex(index));
}
index -= subGroupCount;
}
}
throw new ArgumentOutOfRangeException("index");
}
