Datasnap.Provider.TDataRequestEvent
| [–] Properties | |
|---|---|
| Type: type typedef
| |
| Visibility: public | |
| Source: Datasnap.Provider.pas Datasnap.Provider.hpp
| |
| Unit: Datasnap.Provider | |
| Parent: Datasnap.Provider | |
Delphi
TDataRequestEvent = function(Sender: TObject; Input: OleVariant): OleVariant of object;
C++
typedef System::OleVariant __fastcall (__closure *TDataRequestEvent)(System::TObject* Sender, const System::OleVariant &Input);
Description
Represents the function type for the events that occur when a provider calls its DataRequest method.
Use a variable of TDataRequestEvent type to reference an event that occurs when a provider calls its DataRequest method.
Sender is the provider component that receives the data request.
Input is application-defined data that indicates or qualifies the nature of the request.
The return value is an application-defined value that indicates the response to the request.