Constants.vbUseSystem Field
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Indicates the first week of the year to use when calling date-related functions.
Namespace: Microsoft.VisualBasic
Assembly: Microsoft.VisualBasic (in Microsoft.VisualBasic.dll)
Syntax
'Declaration
Public Const vbUseSystem As FirstWeekOfYear
public const FirstWeekOfYear vbUseSystem
Remarks
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.
Version Information
Silverlight
Supported in: 5, 4, 3
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.