| Description |
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The RecodeTime function allows the Hour, Min, Sec and MSec (milli-second) values of a TDateTime variable to be changed without affecting the date.
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| Related commands |
| DecodeDate |
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Extracts the year, month, day values from a TDateTime var. |
| DecodeDateTime |
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Breaks a TDateTime variable into its date/time parts |
| DecodeTime |
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Break a TDateTime value into individual time values |
| EncodeDate |
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Build a TDateTime value from year, month and day values |
| EncodeDateTime |
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Build a TDateTime value from day and time values |
| EncodeTime |
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Build a TDateTime value from hour, min, sec and msec values |
| RecodeDate |
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Change only the date part of a TDateTime variable |
| ReplaceDate |
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Change only the date part of a TDateTime variable |
| ReplaceTime |
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Change only the time part of a TDateTime variable |
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| Example code : Change the time without changing the date |
// Full Unit code.
// -----------------------------------------------------------
// You must store this code in a unit called Unit1 with a form
// called Form1 that has an OnCreate event called FormCreate.
unit Unit1;
interface
uses
DateUtils, // Unit containing the RecodeTime command
SysUtils,
Forms, Dialogs;
type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
end;
var
Form1: TForm1;
implementation
{$R *.dfm} // Include form definitions
procedure TForm1.FormCreate(Sender: TObject);
var
myDate : TDateTime;
begin
// Set the date to 29/10/2002 at 12:34:56
myDate := EncodeDateTime(2002, 10, 29, 12, 34, 56, 0);
ShowMessage('The starting date/time = '+DateTimeToStr(myDate));
// Now change the time portion without touching the date
myDate := RecodeTime(myDate, 7, 35, 22, 0);
ShowMessage('The new date/time = '+DateTimeToStr(myDate));
end;
end.
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| Hide full unit code |
The starting date/time = 29/10/2002 12:34:56
The new date/time = 29/10/2002 07:35:22
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