log4net SDK Reference |

# EmptyDictionary.Add Method

Adds an element with the provided key and value to the EmptyDictionary.

[Visual Basic]
NotOverridable Public Sub Add( _
ByVal key As Object, _
ByVal value As Object _
) _
Implements IDictionary.Add
[C#]
public void Add(
object key,
object value
);

#### Parameters

key
  The Object to use as the key of the element to add.
value
  The Object to use as the value of the element to add.

#### Implements

IDictionary.Add

#### Remarks

As the collection is empty no new values can be added. A InvalidOperationException is thrown if this method is called.

#### Exceptions

Exception Type | Condition
--- | ---
InvalidOperationException | This dictionary is always empty and cannot be modified.

#### See Also

EmptyDictionary Class | log4net.Util Namespace