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DataAsyncCommand.DeriveSchemaAsync Method

Definition

Derives, in an asynchronous manner, the schema of the specified command.

public:
 virtual void DeriveSchemaAsync(System::String ^ command, Microsoft::VisualStudio::Data::Services::SupportEntities::DataCommandType commandType, cli::array <Microsoft::VisualStudio::Data::Services::SupportEntities::IVsDataParameter ^> ^ parameters, int commandTimeout, System::Object ^ userState);
public void DeriveSchemaAsync (string command, Microsoft.VisualStudio.Data.Services.SupportEntities.DataCommandType commandType, Microsoft.VisualStudio.Data.Services.SupportEntities.IVsDataParameter[] parameters, int commandTimeout, object userState);
abstract member DeriveSchemaAsync : string * Microsoft.VisualStudio.Data.Services.SupportEntities.DataCommandType * Microsoft.VisualStudio.Data.Services.SupportEntities.IVsDataParameter[] * int * obj -> unit
override this.DeriveSchemaAsync : string * Microsoft.VisualStudio.Data.Services.SupportEntities.DataCommandType * Microsoft.VisualStudio.Data.Services.SupportEntities.IVsDataParameter[] * int * obj -> unit
Public Sub DeriveSchemaAsync (command As String, commandType As DataCommandType, parameters As IVsDataParameter(), commandTimeout As Integer, userState As Object)

Parameters

command
String

The command for which the schema is derived.

commandType
DataCommandType

A value from the DataCommandType enumeration representing the command type for the indicated command. The value specifies how to interpret the contents of the command parameter.

parameters
IVsDataParameter[]

A list of parameters to pass with the command.

commandTimeout
Int32

Amount of time, in seconds, before which the command times out.

userState
Object

The object on which this method calls back as the command progresses.

Implements

Exceptions

The command or userState parameter is null.

The commandTimeout parameter is less than -1.

Applies to