TDateTimeHelper¶

type

  TDateTimeHelper = type helper for TDateTime
  public
    class function Create(const aYear: Word; const aMonth: Word; 
                     const aDay: Word) : TDateTime; overload;
    class function Create(const aYear: Word; const aMonth: Word; 
                     const aDay: Word; const aHour: Word; 
                     const aMinute: Word; const aSecond: Word; 
                     const aMillisecond: Word) : TDateTime; overload;
    class function Create(Date: string; aFormat: string=''; 
                     aDateSeparator: char=#0; aTimeSeparator: char=#0)
                      : TDateTime; overload;
    class function CreateLocal : TDateTime;
    class function CreateUnixTime : TDateTime;
    class function CreateTotalSeconds : TDateTime;
    class property Now: TDateTime; {r}
    class property Today: TDateTime; {r}
    class property Yesterday: TDateTime; {r}
    class property Tomorrow: TDateTime; {r}
    function GetDate : TDateTime;
    function GetTime : TDateTime;
    function ToString : string;
    function Format : string;
    function StartOfYear : TDateTime;
    function EndOfYear : TDateTime;
    function StartOfMonth : TDateTime;
    function EndOfMonth : TDateTime;
    function StartOfWeek : TDateTime;
    function EndOfWeek : TDateTime;
    function StartOfDay : TDateTime;
    function EndOfDay : TDateTime;
    function AddYears : TDateTime;
    function AddMonths : TDateTime;
    function AddDays : TDateTime;
    function AddHours : TDateTime;
    function AddMinutes : TDateTime;
    function AddSeconds : TDateTime;
    function AddMilliseconds : TDateTime;
    function CompareTo : TValueRelationship;
    function Equals : Boolean;
    function IsSameDay : Boolean;
    function InRange : Boolean;
    function IsInLeapYear : Boolean;
    function IsToday : Boolean;
    function IsAM : Boolean;
    function IsPM : Boolean;
    function YearsBetween : Integer;
    function MonthsBetween : Integer;
    function WeeksBetween : Integer;
    function DaysBetween : Integer;
    function HoursBetween : Int64;
    function MinutesBetween : Int64;
    function SecondsBetween : Int64;
    function MilliSecondsBetween : Int64;
    function WithinPastYears : Boolean;
    function WithinPastMonths : Boolean;
    function WithinPastWeeks : Boolean;
    function WithinPastDays : Boolean;
    function WithinPastHours : Boolean;
    function WithinPastMinutes : Boolean;
    function WithinPastSeconds : Boolean;
    function WithinPastMilliSeconds : Boolean;
    function WithinYears : Boolean;
    function WithinMonths : Boolean;
    function WithinWeeks : Boolean;
    function WithinDays : Boolean;
    function WithinHours : Boolean;
    function WithinMinutes : Boolean;
    function WithinSeconds : Boolean;
    function WithinMilliseconds : Boolean;
    property Date: TDateTime; {r}
    property Time: TDateTime; {r}
    property DayOfWeek: Word; {r}
    property DayOfYear: Word; {r}
    property Year: Word; {r}
    property Month: Word; {r}
    property Day: Word; {r}
    property Hour: Word; {r}
    property Minute: Word; {r}
    property Second: Word; {r}
    property Millisecond: Word; {r}
    property UnixTime: Int64; {r}
    property TotalSeconds: Int64; {r}
  end;