FireDAC.Comp.Client.TFDCustomEventAlerter.Signal
| [–] Properties | |
|---|---|
| Type: procedure function
| |
| Visibility: public | |
| Source: FireDAC.Comp.Client.pas FireDAC.Comp.Client.hpp
| |
| Unit: FireDAC.Comp.Client | |
| Parent: TFDCustomEventAlerter | |
Delphi
procedure Signal(const AEvent: String; const AArgument: Variant);
C++
void __fastcall Signal(const System::UnicodeString AEvent, const System::Variant &AArgument);
Description
Fires a DBMS event.
Use the Signal method to fire a DBMS event. To fire an event, the event alerter must be registered with a DBMS.
AEvent is the name of the event to fire.
AArgument represents the optional arguments for the event. Use an array of Variant if more than one argument must be specified. Otherwise, use nil.
Example
FDEventAlerter1.Names.Text := 'Customers';
FDEventAlerter1.Register;
FDEventAlerter1.Signal('Customers', 123);