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Indicates the first week of the year to use when calling date-related functions.
When you call date-related functions, you can use the following enumeration members in your code in place of the actual values.
Some date-related functions take a DayOfWeek argument, a WeekOfYear argument, or both. The FirstWeekOfYear enumeration specifies the valid values for the WeekOfYear arguments, as well as the possible return values from the functions.
The WeekOfYear argument takes the FirstWeekOfYear enumeration members.
Member |
Constant |
Description |
|---|---|---|
System |
vbUseSystem |
The day of the week specified in your system settings as the first day of the week |
Jan1 |
vbFirstJan1 |
The week in which January 1 occurs (default) |
FirstFourDays |
vbFirstFourDays |
The first week that has at least four days in the new year |
FirstFullWeek |
vbFirstFullWeek |
The first full week of the year |
Namespace: Microsoft.VisualBasic
Assembly: Visual Basic Runtime Library (in Microsoft.VisualBasic.dll)
How to: Refer to an Enumeration Member
Intrinsic Constants and Enumerations
DateDiff Function (Visual Basic)