Datasnap.Midas.IAppServer.AS_DataRequest
Delphi
function AS_DataRequest(const ProviderName: OleStr; Data: OleVariant): OleVariant; safecall;
C++
virtual HRESULT __safecall AS_DataRequest(const System::WideString ProviderName, System::OleVariant Data, System::OleVariant &__AS_DataRequest_result) = 0 ;
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| function | public | Datasnap.Midas.pas Datasnap.Midas.hpp |
Datasnap.Midas | IAppServer |
Description
Generates an OnDataRequest event on the specified provider component.
Use AS_DataRequest to invoke an OnDataRequest event handler of the provider named by ProviderName. AS_DataRequest is provided to allow application developers to customize the communication between a client application and a provider component. There is no predefined meaning for the Data parameter or the return value (Delphi) or the AS_DataRequest _result parameter (C++), which is returned to the caller.