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TFPExprIdentifierDef.OnGetVariableValueCallBack property

Member of TFPExprIdentifierDefpublicIn unit fpExprPars

Callback property for variable value evaluation

Declaration

pascal
property OnGetVariableValueCallBack: TFPExprVariableCallBack read FOnGetVarValueCB write FOnGetVarValueCB;

Description

The OnGetVariableValueCallBack property holds a callback function that is called when the identifier represents a variable and its value needs to be retrieved. The callback returns the current value of the variable.

An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.