TFPExprIdentifierDef.OnGetFunctionValue property
Event for function value evaluation
Declaration
property OnGetFunctionValue: TFPExprFunctionEvent read FOnGetValue write FOnGetValue;Description
The OnGetFunctionValue event is triggered when the identifier represents a function and needs to be evaluated with the provided parameters.
The event handler receives the function arguments and should return the computed result.
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.