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

TFPFunctionCallBack.GetNodeValue

Get callback function result

Declaration

Source position: fpexprpars.pp line 709

public procedure TFPFunctionCallBack.GetNodeValue(

var Result: TFPExpressionResult

); override;

Arguments

Result

Returns the callback function result

Description

The GetNodeValue method evaluates the callback function by calling the registered callback procedure with the function parameters and returns the computed result. It bridges the expression tree evaluation with external function implementations.