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DependencyObjectCollection<T>.Contains Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Gets a value that indicates whether the specified object is in the collection.

Namespace:  System.Windows
Assembly:  System.Windows (in System.Windows.dll)

Syntax

'Declaration
Public Function Contains ( _
    item As T _
) As Boolean

public bool Contains(
    T item
)

Parameters

  • item
    Type: T
    The object to check for in the collection.

Return Value

Type: System.Boolean
true if the object is in the collection; otherwise, false.

Implements

ICollection<T>.Contains(T)

Exceptions

Exception Condition
ArgumentException

item is not a DependencyObject.

Version Information

Silverlight

Supported in: 5, 4

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.