log4net SDK Reference |

# MDC.Get Method

Gets the context value identified by the key parameter.

[Visual Basic]
Public Shared Function Get( _
ByVal key As String _
) As String
[C#]
public static string Get(
string key
);

#### Parameters

key
  The key to lookup in the MDC.

#### Return Value

The string value held for the key, or a `null` reference if no corresponding value is found.

#### Remarks

> Note

> The MDC is deprecated and has been replaced by the Properties. The current MDC implementation forwards to the `ThreadContext.Properties`.

If the key parameter does not look up to a previously defined context then `null` will be returned.

#### See Also

MDC Class | log4net Namespace