Application.DateSubtract method (Project)
Returns the date and time that precedes another date by a specified duration, for an automatically scheduled task.
Syntax
expression. DateSubtract( _FinishDate_, _Duration_, _Calendar_ )
expression A variable that represents an Application object.
Parameters
| Name | Required/Optional | Data type | Description |
|---|---|---|---|
| FinishDate | Required | Variant | The date used as the end of the duration. |
| Duration | Required | Variant | The duration to subtract from the finish date. |
| Calendar | Optional | Object | A resource, task, or base calendar object. The default value is the calendar of the active project. |
Return value
Variant
Remarks
To subtract a duration from a date for a manually scheduled task, which uses an effective calendar that can include non-working time, use the EffectiveDateSubtract property.
Example
The following example displays the start date of a task that lasts three days and ends on 7/13/02 at 5:00 P.M.
Sub FindDuration()
MsgBox DateSubtract("7/13/02 5:00 PM", "3d")
End Sub
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