ValidateCategory is used to make sure that the requestContext has the right to access the database and that the schema version matches between the component and the extended property
Namespace:  Microsoft.TeamFoundation.Framework.Server
Assembly:  Microsoft.TeamFoundation.Framework.Server (in Microsoft.TeamFoundation.Framework.Server.dll)
Syntax
'Declaration
Public Sub ValidateCategory ( _
    requestContext As TeamFoundationRequestContext, _
    databaseCategory As String _
)
public void ValidateCategory(
    TeamFoundationRequestContext requestContext,
    string databaseCategory
)
public:
void ValidateCategory(
    TeamFoundationRequestContext^ requestContext, 
    String^ databaseCategory
)
member ValidateCategory : 
        requestContext:TeamFoundationRequestContext * 
        databaseCategory:string -> unit
public function ValidateCategory(
    requestContext : TeamFoundationRequestContext, 
    databaseCategory : String
)
Parameters
- requestContext
 Type: Microsoft.TeamFoundation.Framework.Server.TeamFoundationRequestContext
- databaseCategory
 Type: System.String
.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.