IVsDataAsyncCommand.DeriveSchemaAsync Method

When implemented by a class, derives, in an asynchronous manner, the schema of the specified command.

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

Syntax

'Declaration
Sub DeriveSchemaAsync ( _
    command As String, _
    commandType As DataCommandType, _
    parameters As IVsDataParameter(), _
    commandTimeout As Integer, _
    userState As Object _
)

void DeriveSchemaAsync(
    string command,
    DataCommandType commandType,
    IVsDataParameter[] parameters,
    int commandTimeout,
    Object userState
)

void DeriveSchemaAsync(
    String^ command, 
    DataCommandType commandType, 
    array<IVsDataParameter^>^ parameters, 
    int commandTimeout, 
    Object^ userState
)

abstract DeriveSchemaAsync : 
        command:string * 
        commandType:DataCommandType * 
        parameters:IVsDataParameter[] * 
        commandTimeout:int * 
        userState:Object -> unit 

function DeriveSchemaAsync(
    command : String, 
    commandType : DataCommandType, 
    parameters : IVsDataParameter[], 
    commandTimeout : int, 
    userState : Object
)

Parameters

• command
  Type: System.String
  The command for which the schema is derived.

• commandType
  Type: Microsoft.VisualStudio.Data.Services.SupportEntities.DataCommandType
  A value from the DataCommandType enumeration representing the command type for the indicated command, specifying how to interpret the contents of the command parameter.

• parameters
  Type: array<Microsoft.VisualStudio.Data.Services.SupportEntities.IVsDataParameter[]
  A list of parameters to pass with the command.

• commandTimeout
  Type: System.Int32
  Amount of time, in seconds, before which the command times out.

• userState
  Type: System.Object
  The object on which this method calls back as the command progresses.

.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.

See Also

Reference

IVsDataAsyncCommand Interface

Microsoft.VisualStudio.Data.Services.SupportEntities Namespace