List(Of T).IList.IndexOf Method
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Determines the index of a specific item in the IList.
Assembly: mscorlib (in mscorlib.dll)
'Declaration Private Function IndexOf ( _ item As Object _ ) As Integer Implements IList.IndexOf
Parameters
- item
- Type: System.Object
The object to locate in the IList.
Implements
IList.IndexOf(Object)| Exception | Condition |
|---|---|
| ArgumentException | item is of a type that is not assignable to the IList. |
This method determines equality using the default equality comparer EqualityComparer(Of T).Default for T, the type of values in the list.
This method performs a linear search; therefore, this method is an O(n) operation, where n is Count.
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