Collection(Of T).IList.IndexOf Method (Object)
.NET Framework (current version)
Determines the index of a specific item in the IList.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- value
- Type: System.Object
Implements
IList.IndexOf(Object)| Exception | Condition |
|---|---|
| ArgumentException | value is of a type that is not assignable to the IList. |
This method determines equality using the default comparer Comparer(Of T).Default. Comparer(Of T).Default checks whether type T implements System.IComparable(Of T) and uses that implementation, if available. If not, Comparer(Of T).Default checks whether type T implements System.IComparable. If type T does not implement either interface, this method uses Object.Equals.
This method is an O(n) operation, where n is Count.
Universal Windows Platform
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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