Calculate the approximate number of minutes between two TDateTime values.
Source position: dateutil.inc line 297
| function MinuteSpan( | 
| const ANow: TDateTime; | 
| const AThen: TDateTime | 
| ):Double; | 
| ANow | 
 | First moment in time. | 
| AThen | 
 | Second moment in time. | 
Number (fractions included) of minutes between ANow and AThen.
MinuteSpan returns the number of minutes between ANow and AThen, including any fractional parts of a minute.
| 
 | Calculate the approximate number of years between two TDateTime values. | |
| 
 | Calculate the approximate number of months between two TDateTime values. | |
| 
 | Calculate the approximate number of weeks between two TDateTime values. | |
| 
 | Calculate the approximate number of days between two TDateTime values. | |
| 
 | Calculate the approximate number of hours between two TDateTime values. | |
| 
 | Calculate the approximate number of seconds between two TDateTime values. | |
| 
 | Calculate the approximate number of milliseconds between two TDateTime values. | |
| 
 | Calculate the number of whole minutes between two TDateTime values. | 
Program Example68; { This program demonstrates the MinuteSpan function } Uses SysUtils,DateUtils; Procedure Test(ANow,ThenDateTime); begin Write('Number of minutes between '); Write(TimeToStr(Thenand ',TimeToStr(ANow)); Writeln(' : ',MinuteSpan(ANow,Thenc end; Var D1,D2 : TDateTime; Begin D1:=Now; D2:=D1-(59*OneSecond); Test(D1,D2); D2:=D1-(61*OneSecond); Test(D1,D2); D2:=D1-(122*OneSecond); Test(D1,D2); D2:=D1-(306*OneSecond); Test(D1,D2); D2:=D1-(5.4*OneMinute); Test(D1,D2); D2:=D1-(2.5*OneMinute); Test(D1,D2); End.