VintaSoft Barcode .NET SDK 15.0: Documentation for Web developer
Vintasoft.Data Namespace / IDataStorage Interface / Contains(String) Method
Syntax Exceptions Requirements SeeAlso
In This Topic
    Contains(String) Method (IDataStorage)
    In This Topic
    Determines whether the data storage contains an item with the specified identifier.
    Syntax
    'Declaration
    
    Public Function Contains( _
    ByVal key
    The item key.
    As String _
    ) As Boolean
    public bool Contains(
    string key
    )
    public: bool Contains(
    string* key
    )
    public:
    bool Contains(
    string^ key
    )

    Parameters

    key
    The item key.

    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
    ExceptionDescription
    If key is null.
    Requirements

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

    See Also