FormatDateTime Function [VBA]

Applies a date and/or time format to a date expression and returns the result as a string.

This constant, function or object is enabled with the statement Option VBASupport 1 placed before the executable program code in a module.

Syntax:


        FormatDateTime (DateExpression as Date [, NamedFormat as Integer])

Return value:

String

Parameters:

DateExpression: The date expression to be formatted.

NamedFormat: An optional vbDateTimeFormat enumeration specifying the format that is to be applied to the date and time expression. If omitted, the value vbGeneralDate is used.

Date and Time formats (vbDateTimeFormat enumeration)

Named Constant	Value	Description
vbGeneralDate	0	Displays a date and/or time as defined in your system's General Date setting. If a date only, no time is displayed; If a time only, no date is displayed.
vbLongDate	1	Display a date using the long date format specified in your computer's regional settings.
vbShortDate	2	Display a date using the short date format specified in your computer's regional settings.
vbLongTime	3	Displays a time as defined in your system's Long Time settings.
vbShortTime	4	Display a time using the 24-hour format (hh:mm).

錯誤代碼：

13 資料類型不相符

Example:


        REM  *****  BASIC  *****
        Option VBASupport 1
        Sub DateFormat
         Dim d as Date
         d = ("1958-01-29 00:25")
         msgbox("General date format : " & FormatDateTime(d))
         msgbox("Long date format : " & FormatDateTime(d,vbLongDate))
         msgbox("Short date format : " & FormatDateTime(d,vbShortDate))
         msgbox("Long time format : " & FormatDateTime(d,3))
         msgbox("Short time format : " & FormatDateTime(d,vbShortTime))
        End Sub

VBA Time and Date functions