IndexOf Method

Wintellect PowerCollections

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[This topic is pre-release documentation and is subject to change in future releases. Blank topics are included as placeholders.]

Get the index of the given item in the sorted order. The smallest item has index 0, the next smallest item has index 1, and the largest item has index Count-1. If multiple equal items exist, the smallest index of the equal items is returned.

Namespace: Wintellect.PowerCollections
Assembly: PowerCollections (in PowerCollections.dll)

Syntax

C#
public int IndexOf( T item )

Visual Basic (Declaration)
Public Function IndexOf ( _ item As T _ ) As Integer

Visual C++
public: int IndexOf ( T item )

Parameters

item: T
The item to get the index of.

Return Value

The index of the first item in the sorted bag equal to item, or -1 if the item is not present in the set.

Remarks

Finding the index takes time O(log N), which N is the number of items in the set.