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IVsDataCommand.DeriveSchema Method (String)

When implemented by a class, derives the schema returned from a specified command. The schema indicates the layout of items and blocks in a data reader.

Namespace:  Microsoft.VisualStudio.Data.Services.SupportEntities
Assembly:  Microsoft.VisualStudio.Data.Services (in Microsoft.VisualStudio.Data.Services.dll)

Syntax

'Déclaration
Function DeriveSchema ( _
    command As String _
) As IVsDataReader
IVsDataReader DeriveSchema(
    string command
)
IVsDataReader^ DeriveSchema(
    String^ command
)
abstract DeriveSchema : 
        command:string -> IVsDataReader 
function DeriveSchema(
    command : String
) : IVsDataReader

Parameters

  • command
    Type: System.String
    A command for which to derive the schema that is specific to a data source.

Return Value

Type: Microsoft.VisualStudio.Data.Services.SupportEntities.IVsDataReader
An IVsDataReader object. This object provides a forward-only, read-only data stream that describes the layout of items and blocks, that is, the schema, for the reader object returned upon executing the specified command.

.NET Framework Security

See Also

Reference

IVsDataCommand Interface

DeriveSchema Overload

Microsoft.VisualStudio.Data.Services.SupportEntities Namespace