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AddHours  
Method  
Add a number of Hours to a DateTime value
Calendar Class
System.Globalization NameSpace
CF1.  Function AddHours ( TheDateTime:DateTimeTheDateTime : DateTime; Hours : Integer; ) : DateTime;
CF : Methods with this mark are Compact Framework Compatible
Description
Adds Hours to TheDateTime, and returns a new DateTime with this value.
Notes
Time values are culture independant.
References
DateTime
CultureInfo
Microsoft MSDN Links
System.Globalization
System.Globalization.Calendar
 
 
A simple example
// Full Unit code.
// -------------------------------------------------------------
// Create a new WinForm application, double click the form to
// create an OnLoad event, and then replace the WinForm unit
// with this text.
 
unit WinForm;
 
interface
 
uses
  System.Drawing, System.Collections, System.ComponentModel,
System.Windows.Forms, System.Data;
 
type
  TWinForm = class(System.Windows.Forms.Form)
  \{REGION 'Designer Managed Code'\} // Note that REGION and ENREGION should be prefixed by a dollar sign
  strict private
    ///
    /// Required designer variable.
    ///

    Components: System.ComponentModel.Container;
    ///
    /// Required method for Designer support - do not modify
    /// the contents of this method with the code editor.
    ///

    procedure InitializeComponent;
    procedure TWinForm_Load(sender: System.Object; e: System.EventArgs);
  {ENDREGION}
  strict protected
    ///
    /// Clean up any resources being used.
    ///

    procedure Dispose(Disposing: Boolean); override;
  private
    { Private Declarations }
  public
    constructor Create;
  end;
 
  [assembly: RuntimeRequiredAttribute(TypeOf(TWinForm))]
 
implementation
 
\{REGION 'Windows Form Designer generated code'\}
///
/// Required method for Designer support -- do not modify
/// the contents of this method with the code editor.
///

 
 
procedure TWinForm.InitializeComponent;
begin
  //
  // TWinForm
  //
  Self.AutoScaleBaseSize := System.Drawing.Size.Create(5, 13);
  Self.ClientSize := System.Drawing.Size.Create(292, 266);
  Self.Name := 'TWinForm';
  Self.Text := 'WinForm';
  Include(Self.Load, Self.TWinForm_Load);
end;
{ENDREGION}
 
procedure TWinForm.Dispose(Disposing: Boolean);
begin
  if Disposing then
  begin
    if Components <> nil then
      Components.Dispose();
  end;
  inherited Dispose(Disposing);
end;
 
constructor TWinForm.Create;
begin
  inherited Create;
  //
  // Required for Windows Form Designer support
  //
  InitializeComponent;
  //
  // TODO: Add any constructor code after InitializeComponent call
  //
end;
 
procedure TWinForm.TWinForm_Load(sender: System.Object; e: System.EventArgs);
program Project1;
{$APPTYPE CONSOLE}

uses
  System.Globalization;

var
  myDate    : DateTime;

  gbCulture : System.Globalization.CultureInfo;
  gbCal     : System.Globalization.Calendar;

begin
  // Set up a Great Britain English culture & calendar
  gbCulture := System.Globalization.CultureInfo.Create('en-GB');
  gbCal     := gbCulture.Calendar;

  // Create a DateTime object : use the gbCalendar to control the
  // conversion of year, month and day parameter values into the
  // number of ticks since 1st January 0001 AD (the internal value)

  // 10:30:13.123 on 8th December 2004
  myDate := DateTime.Create(2004, 12, 8, 10, 30, 15, 123, gbCal);

  // Display the date and time
  Console.WriteLine(myDate.ToString('hh:mm:ss.fff'));

  Console.WriteLine;
  Console.WriteLine('Adding 2 hours : ');
  Console.WriteLine;

  // Add 2 hours to the date
  myDate := gbCal.AddHours(myDate, 2);

  // Display the date and time
  Console.WriteLine(myDate.ToString('hh:mm:ss.fff'));

  Console.ReadLine;
end.
 
end.
Hide full unit code
  10:30:15.123
  
  Adding 2 hours :
  
  12:30:15.123
 
 
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