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Adds a new property to the current connection properties collection.
Namespace:  Microsoft.VisualStudio.Data.Framework.AdoDotNet
Assembly:  Microsoft.VisualStudio.Data.Framework (in Microsoft.VisualStudio.Data.Framework.dll)
Syntax
'Declaration
Public Overridable Sub Add ( _
    key As String, _
    type As Type, _
    value As Object _
)
public virtual void Add(
    string key,
    Type type,
    Object value
)
public:
virtual void Add(
    String^ key, 
    Type^ type, 
    Object^ value
)
abstract Add : 
        key:string * 
        type:Type * 
        value:Object -> unit  
override Add : 
        key:string * 
        type:Type * 
        value:Object -> unit
public function Add(
    key : String, 
    type : Type, 
    value : Object
)
Parameters
- key 
 Type: System.String- Name of the property being added. 
- type 
 Type: System.Type- Type of the property being added. 
- value 
 Type: System.Object- Value of the property being added. 
Implements
IVsDataConnectionProperties.Add(String, Type, Object)
Exceptions
| Exception | Condition | 
|---|---|
| ArgumentNullException | The propertyName parameter is nulla null reference (Nothing in Visual Basic). | 
| NotSupportedException | The connection string is not extensible. | 
| ArgumentException | The property already exists. | 
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.