ICollection<T>.Contains Method
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Determines whether the ICollection<T> contains a specific value.
Namespace: System.Collections.Generic
Assembly: mscorlib (in mscorlib.dll)
Syntax
'Declaration
Function Contains ( _
item As T _
) As Boolean
bool Contains(
T item
)
Parameters
- item
Type: T
The object to locate in the ICollection<T>.
Return Value
Type: System.Boolean
true if item is found in the ICollection<T>; otherwise, false.
Remarks
Implementations can vary in how they determine equality of objects; for example, List<T> uses Comparer<T>.Default, whereas Dictionary<TKey, TValue> allows the user to specify the IComparer<T> implementation to use for comparing keys.
Version Information
Silverlight
Supported in: 5, 4, 3
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0
XNA Framework
Supported in: Xbox 360, Windows Phone OS 7.0
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.