OnCalcVariable
Page layout
Description
Resolves custom <%name%> placeholders encountered by ExpandVariableTokens, ExpandStampTokens, stamp text and header or footer helpers
The handler receives the placeholder name without delimiters and the one-based page number; assign the replacement to VarValue, or leave it empty to remove the placeholder
Syntax
Delphi
Property OnCalcVariable: TPDFlibCalcVariableEvent Read FOnCalcVariable Write FOnCalcVariable;TPDFlibCalcVariableEvent = Procedure(Sender: TObject; Const VarName: WideString; Var VarValue: WideString; PageNo: Integer) Of Object;