AxHost.GetOADateFromTime(DateTime) Method

Reference

Definition

Namespace:: System.Windows.Forms

Assembly:: System.Windows.Forms.dll

Source:: AxHost.cs

Source:: AxHost.cs

Source:: AxHost.cs

Important

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Returns an OLE Automation date that corresponds to the specified DateTime structure.

protected:
 static double GetOADateFromTime(DateTime time);

protected static double GetOADateFromTime(DateTime time);

static member GetOADateFromTime : DateTime -> double

Protected Shared Function GetOADateFromTime (time As DateTime) As Double

Parameters

time: DateTime

The DateTime structure to translate.

Returns

Double

A double-precision floating-point number that contains an OLE Automation date equivalent to specified time value.

Exceptions

OverflowException

The value of this instance cannot be represented as an OLE Automation Date.

Remarks

An OLE Automation date is implemented as a floating-point number whose value is the number of days from midnight, 30 December 1899. For example, midnight, 31 December 1899 is represented by 1.0; 6 A.M., 1 January 1900 is represented by 2.25; midnight, 29 December 1899 is represented by -1.0; and 6 A.M., 29 December 1899 is represented by -1.25.

The base OLE Automation Date is midnight, 30 December 1899. The maximum OLE Automation Date is the same as MaxValue, the last moment of 31 December 9999.

For more information, see Automation.

Applies to

Product	Versions
.NET Framework	1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
Windows Desktop	3.0, 3.1, 5, 6, 7, 8, 9, 10

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