DataAsyncCommand.OnPrepare Method
Dispatches the asynchronous prepare operation to the synchronous Prepare method call.
Namespace: Microsoft.VisualStudio.Data.Framework
Assembly: Microsoft.VisualStudio.Data.Framework (in Microsoft.VisualStudio.Data.Framework.dll)
Syntax
'宣告
Protected Overridable Function OnPrepare ( _
command As String, _
commandType As DataCommandType, _
parameters As IVsDataParameter(), _
commandTimeout As Integer _
) As String
protected virtual string OnPrepare(
string command,
DataCommandType commandType,
IVsDataParameter[] parameters,
int commandTimeout
)
protected:
virtual String^ OnPrepare(
String^ command,
DataCommandType commandType,
array<IVsDataParameter^>^ parameters,
int commandTimeout
)
abstract OnPrepare :
command:string *
commandType:DataCommandType *
parameters:IVsDataParameter[] *
commandTimeout:int -> string
override OnPrepare :
command:string *
commandType:DataCommandType *
parameters:IVsDataParameter[] *
commandTimeout:int -> string
protected function OnPrepare(
command : String,
commandType : DataCommandType,
parameters : IVsDataParameter[],
commandTimeout : int
) : String
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. The value specifies 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.
Return Value
Type: System.String
An identifier of the prepared command that can later be passed to the Execute or ExecuteWithoutResults methods by using the command type Prepared.
.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.