| Description |
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The IncHour function returns a TDateTime value that is NumberOfHours 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 DecHour function.
Instead, use IncHour with a negative increment. |
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| Example code : A simple example of increment and decrement |
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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 10 hours to this date myDate := IncHour(myDate, 10); ShowMessage('myDate + 10 hours = '+DateTimeToStr(myDate)); // Subtract 10 hours from this date myDate := IncHour(myDate, -10); ShowMessage('myDate - 10 hours = '+DateTimeToStr(myDate)); end; |
| Show full unit code |
| myDate = 31/12/2000 23:00:00
myDate + 10 hours = 01/01/2001 10:00:00 myDate - 10 hours = 01/01/2001 13:00:00 |