TFPFunctionCallBack.CallBack property
The callback procedure for function evaluation
Declaration
property CallBack: TFPExprFunctionCallBack read FCallBack;Description
The CallBack property holds the callback procedure that is invoked when the function needs to be evaluated.
The callback receives the function parameters and returns the computed result, allowing external code to provide custom function implementations.
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.