function ShowExpandableMessage(const aTitle: TJSString; const aInstruction: TJSString; const aContent: TJSString; const aExpandedContent: TJSString; const aExpandText: TJSString; const aCollapseText: TJSString; aIcon: TTaskDialogIcon; aButtons: TCommonButtons; aHelpIdx: Integer; const aShowInFooter: Boolean; const aExpanded: Boolean): TModalResult; overload;