TimeOfDayToExcelDate Method (ExcelCalcValue)

Converts a TimeSpan to Excel's numerical representation of a date.

Syntax

Visual Basic

'Declaration
 
Public Shared Function TimeOfDayToExcelDate( _
   ByVal timeValue As TimeSpan, _
   Optional ByVal useDayInfo As Boolean _
) As Double

C#

public static double TimeOfDayToExcelDate( 
   TimeSpan timeValue,
   bool useDayInfo
)

Parameters

timeValue

The TimeSpan value to convert to the Microsoft Excel date format.

useDayInfo

Optional parameter to allow the day information to be included as well.

Remarks

The TimeSpan.Days portion of the timeValue will not be used unless the useDayInfo is true. Otherwise only the time of day will be used from the TimeSpan.

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2