DelphiBasics IncMinute Function Increments a TDateTime variable by + or - number of minutes DateUtils unit

function IncMinute(const StartDateTime TDateTime {; NumberOfMinutes Integer = 1}):TDateTime;

Description The IncMinute function returns a TDateTime value that is NumberOfMinutes greater than the passed StartDateTime value.   The year, month, day and hour values are incremented as appropriate.   The increment value is optional, being 1 by default. Notes There is no DecMinute function. Instead, use IncMinute with a negative increment. Related commands IncDay Increments a TDateTime variable by + or - number of days IncMonth Increments a TDateTime variable by a number of months IncYear Increments a TDateTime variable by a number of years IncSecond Increments a TDateTime variable by + or - number of seconds IncMillisecond Increments a TDateTime variable by + or - number of milliseconds  Download this web site as a Windows program.

Example code : A simple example of increment and decrement var   myDate : TDateTime; begin   // Set up our date just before the end of the year 2000   myDate := EncodeDateTime(2000, 12, 31, 23, 0, 0, 0);   ShowMessage('myDate = '+DateTimeToStr(myDate));   // Add 100 minutes to this date   myDate := IncMinute(myDate, 100);   ShowMessage('myDate + 100 minutes = '+DateTimeToStr(myDate));   // Subtract 40 minutes from this date   myDate := IncMinute(myDate, -40);   ShowMessage('myDate -  40 minutes = '+DateTimeToStr(myDate)); end; Show full unit code   myDate = 31/12/2000 23:00:00   myDate + 100 minutes = 01/01/2001 00:40:00   myDate - 40 minutes = 01/01/2001

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