GetMinutesBetween

function GetMinutesBetween(

  DateTime1: TDateTime;

  DateTime2: TDateTime

):Int64; overload;

function GetMinutesBetween(

  From_ShortTimeStr: string;

  To_ShortTimeStr: string;

  const ShortTimeFormat: string = 'hh:nn:ss'

):Int64; overload;