DataAsyncCommand.AsyncDeriveSchema Method
Definition
Important
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Derives, in an asynchronous manner, the schema of the specified command.
public:
virtual void AsyncDeriveSchema(System::String ^ command, int commandType, cli::array <Microsoft::VisualStudio::Data::DataParameter ^> ^ parameters, int commandTimeout, Microsoft::VisualStudio::Data::DataAsyncCommandEvents ^ asyncCommandEvents);public virtual void AsyncDeriveSchema (string command, int commandType, Microsoft.VisualStudio.Data.DataParameter[] parameters, int commandTimeout, Microsoft.VisualStudio.Data.DataAsyncCommandEvents asyncCommandEvents);abstract member AsyncDeriveSchema : string * int * Microsoft.VisualStudio.Data.DataParameter[] * int * Microsoft.VisualStudio.Data.DataAsyncCommandEvents -> unit
override this.AsyncDeriveSchema : string * int * Microsoft.VisualStudio.Data.DataParameter[] * int * Microsoft.VisualStudio.Data.DataAsyncCommandEvents -> unitPublic Overridable Sub AsyncDeriveSchema (command As String, commandType As Integer, parameters As DataParameter(), commandTimeout As Integer, asyncCommandEvents As DataAsyncCommandEvents)Parameters
- command
- String
The command for which the schema is derived.
- commandType
- Int32
Format of the command string.
- parameters
- DataParameter[]
A list of parameters to pass with the command.
- commandTimeout
- Int32
Amount of time, in seconds, before which the command times out.
- asyncCommandEvents
- DataAsyncCommandEvents
The object on which this method calls back as the command progresses.
Exceptions
The command or asyncCommandEvents are null.
The commandType specifies an invalid type.
The commandTimeout is less than -1.
The provider does not support this method.