private void AddSubNodes(TreeNodeCollection parentNodeCollection, uint superClassClid)
{
int directSubclassCount;
m_mdc.GetDirectSubclasses(superClassClid, 0, out directSubclassCount, null);
uint[] uIds;
using (ArrayPtr clids = MarshalEx.ArrayToNative(directSubclassCount, typeof(uint)))
{
m_mdc.GetDirectSubclasses(superClassClid, directSubclassCount, out directSubclassCount, clids);
uIds = (uint[])MarshalEx.NativeToArray(clids, directSubclassCount, typeof(uint));
}
SortedList <string, uint> list = new SortedList <string, uint>(uIds.Length);
foreach (uint subclassClid in uIds)
{
string classname = m_mdc.GetClassName(subclassClid);
list.Add(classname, subclassClid);
}
foreach (KeyValuePair <string, uint> kvp in list)
{
AddNode(parentNodeCollection, kvp.Key, kvp.Value);
}
}