Contains(String) Method (CloneableObjectStorageInMemory)

In This Topic

Determines whether the data storage contains an item with the specified identifier.

Syntax

Visual Basic
C#
Managed Extensions for C++
C++/CLI

'Declaration

Public Overridable Function Contains( _
   ByVal keyThe item identifier.
 As System.String _
) As Boolean

public virtual bool Contains(
   System.String key
)

public: virtual bool Contains(
   System.String key
)

public:
virtual bool Contains(
   System.String key
)

Parameters

key: The item identifier.

Return Value

True - the data storage contains an item with the specified identifier; false - the data storage does NOT contain an item with the specified identifier.

Exceptions

Exception	Description
System.ArgumentNullException	Thrown if key is null or empty.
System.ObjectDisposedException	Thrown if this instance is disposed.

Requirements

Target Platforms: .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

Reference

CloneableObjectStorageInMemory Class
CloneableObjectStorageInMemory Members

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