FirstDayOfWeek Enumeration
Assembly: Microsoft.VisualBasic (in microsoft.visualbasic.dll)
| Member name | Description | |
|---|---|---|
![]() | Friday | Friday This member is equivalent to the Visual Basic constant vbFriday. |
![]() | Monday | Monday This member is equivalent to the Visual Basic constant vbMonday. |
![]() | Saturday | Saturday This member is equivalent to the Visual Basic constant vbSaturday. |
![]() | Sunday | Sunday (default) This member is equivalent to the Visual Basic constant vbSunday. |
![]() | System | The first day of the week as specified in your system settings This member is equivalent to the Visual Basic constant vbUseSystemDayOfWeek. |
![]() | Thursday | Thursday This member is equivalent to the Visual Basic constant vbThursday. |
![]() | Tuesday | Tuesday This member is equivalent to the Visual Basic constant vbTuesday. |
![]() | Wednesday | Wednesday This member is equivalent to the Visual Basic constant vbWednesday. |
For more detailed information, see the Visual Basic topic FirstDayOfWeek Enumeration.
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 FirstDayOfWeek enumeration specifies the valid values for the DayOfWeek arguments, as well as the possible return values from the functions.
The DayOfWeek argument takes the FirstDayOfWeek enumeration members.
Date-related functions also return FirstDayOfWeek values (except System).
Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.
Reference
Microsoft.VisualBasic NamespaceOther Resources
FirstDayOfWeek EnumerationIntrinsic Constants and Enumerations
FirstWeekOfYear Enumeration
DateFormat Enumeration
DateDiff Function (Visual Basic)
DatePart Function (Visual Basic)
Format Function
Weekday Function (Visual Basic)
When to Use an Enumeration
How to: Refer to an Enumeration Member
