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Determines whether an element is in the ReadOnlyObservableSet<T>.
Namespace:  Microsoft.VisualStudio.Shell
Assembly:  Microsoft.VisualStudio.Shell.12.0 (in Microsoft.VisualStudio.Shell.12.0.dll)
Syntax
'Declaration
Public Function Contains ( _
    item As T _
) As Boolean
public bool Contains(
    T item
)
public:
virtual bool Contains(
    T item
) sealed
abstract Contains : 
        item:'T -> bool  
override Contains : 
        item:'T -> bool
public final function Contains(
    item : T
) : boolean
Parameters
- item 
 Type: T- The object to locate in the ReadOnlyObservableSet(T). 
Return Value
Type: Boolean
true if item is found in the ReadOnlyObservableSet(T), otherwise false.
Implements
IReadOnlyObservableSet<T>.Contains(T)
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.