/// <summary>
/// Finds an specified TreeItem that asserts a condition.
/// </summary>
/// <param name="pFindMethod">Delegate used to specify if a TreeItem reaches the condition.
/// Must return true if the TreeItem reaches the condition.</param>
/// <param name="data">Object passed to delegate method</param>
/// <param name="nItem">The ordinal of TreeItem that reaches the condition (i.e. if nItem equals 2 the
/// second TreeItem that reaches the condition will be returned).</param>
/// <returns>The nItem-nth TreeItem that reaches the condition (or NULL if none)</returns>
public TreeItem FindItem(FindItemDelegate pFindMethod, object data, int nItem)
{
int nfind = 0;
foreach (object o in _items)
{
if (pFindMethod((TreeItem)o, data) && ++nfind == nItem)
{
return((TreeItem)o);
}
}
return(null);
}
/// <summary>
/// Finds an specified TreeItem that asserts a condition.
/// </summary>
/// <param name="pFindMethod">Delegate used to specify if a TreeItem reaches the condition.
/// Must return true if the TreeItem reaches the condition.</param>
/// <param name="data">Object passed to delegate method</param>
/// <returns>The 1st TreeItem that reaches the condition (or NULL if none)</returns>
public TreeItem FindItem(FindItemDelegate pFindMethod, object data)
{
return(FindItem(pFindMethod, data, 1));
}
