Add(String,Object) Method

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

Syntax

Visual Basic

'Declaration
 
Public Overloads Sub Add( _
   ByVal key As String, _
   ByVal value As Object _
) 

C#

public void Add( 
   string 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.

Exceptions

Exception	Description
System.ArgumentNullException	key is null.
System.ArgumentException	An element with the same key already exists in the IDictionary.
System.NotSupportedException	The IDictionary is read-only.

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2