Unit 'fpexprpars' Package
[Overview][Constants][Types][Classes][Procedures and functions][Index] [#fcl]

TFPExprFunctionCallBack

Callback procedure type for function evaluation

Declaration

Source position: fpexprpars.pp line 492

type TFPExprFunctionCallBack = procedure(

  var Result: TFPExpressionResult;

  const Args: TExprParameterArray

);

Arguments

Result

  

The result of the function callback

Args

  

The arguments passed to the function

Description

This procedural type defines the signature for callback procedures that can be used to implement custom function evaluation. It allows external code to provide function implementations that will be called during expression evaluation.


Documentation generated on: Dec 15 2025