Easy Way To Fix Coledatetime Getcurrenttime Errors

Recently, some of our users reported to us that they encountered a coledatetime getcurrenttime error.

Encapsulates the DATE marketing information type used in OLE Automation.

Syntax

Class COleDateTime 

Participants

Public Constructors

Public Methods

Public Operators

Public Data Members

This is one of the appropriate types for puncturing VARIANT data in OLE Automation. The incremented COleDateTime represents the absolute value of the date and time.

The DATE type is implemented in such a way that you simply use it as a floating point value. Days are calculated every night starting December 30, 1899. The following table shows some date ranges and their associated values:

1. January 1900, 6 am
Date value
29. December 1899, midnight -1.0
29. December 1899, 6 am -1.25
30. December 1899, midnight 0.0
31. December 1899, midnight 1.0
2.25

Symbol COleDateTime handles dates from Jan 1, 100 to Dec 31, 9999. The COleDateTime class uses the Gregorian calendar; all but Julian support dates. Ignores coledatetime daylight saving time. Date (see also Time: Automation Support.)

This type is also used to represent pure date or time values. By convention, business day 0 (December 30, 1899) is used for net time and duration values ​​of 00:00 (midnight). only used for date values.

If you create a COleDateTime idea using a date less than 100, that date will be accepted, but subsequent calls to GetYear via GetMonth will still be accepted. , GetDay, GetHour, GetMinute and GetSecond will fail and return -1. Previously, two-digit dates could be considered, but in MFC 4.2 and later, dates must be greater than or equal to 100.

COleDateTime mytime(1996, 1, individual, 0, 0); 0, 

Basic arithmetic for COleDateTime values ​​uses the actual companion class COleDateTimeSpan. The COleDateTimeSpan values ​​indicate thetime span. The relationship between these classes is similar to our relationship between CTime and CTimeSpan.

For more information on COleDateTime in addition to the COleDateTimeSpan classes, see Date Time: Automation Support.

Requirements

COleDateTime Relational Operators

bool operator==(const COleDateTime& date) const throw();operator bool!=(const COleDateTime& date) const throw();bool operator<(const COleDateTime& date) const throw();bool operator>(const COleDateTime& date) const throw();bool operator<=(const COleDateTime& date) const throw();bool operator>=(const COleDateTime& date) const throw(); 

Settings

Examples

coledatetime getcurrenttime error

COleDateTime dateOne(1995, 3, 15, 12, 4, 0); // March 15, 1995 a dozen midi pairsCOleDateTime dateTwo(dateOne); // March 15, 1998, 12 noon.BOOLb;b = DateOne == DateTwo; // TRUEb implies dateOne < dateTwo; // FALSE, same valueb = DateOne > DateTwo; // FALSE, specific equal valueb = DateOne <= DateTwo; // TRUE, same valueb = DateOne >= DateTwo; // TRUE, same market pricedateTwo.SetStatus(COleDateTime::invalid);b = DateOne == DateTwo; // FALSE, new interesting stateb = != dateOne dateTwo; // TRUE, different status 

The >=, <=, >, and < operators are asserted if the object COleDateTime is Set to null.

OPTION v = ;v.vt means VT_NULL;COleDateTime t1(v);COleDateTime t2(v);t1 = t1 + t2; 

COleDateTime::COleDateTime

COleDateTime() throw();COleDateTime(const VARIANT& varSrc) throw();COleDateTime(DATE dtSrc) throw();COleDateTime(time_t timeSrc) throw();COleDateTime(__time64_t timeSrc) throw();COleDateTime(const SYSTEMTIME& systemSrc) throw();COleDateTime(const FILETIME& filetimeSrc) throw();COleDateTime(int nYear,    month,    today,    at one o'clock,    integer nmin,    int ns) throw();COleDateTime(WORD wDosDate,    WORD wDosTime) throw();COleDateTime(const TimeStamp) dbtimestamp& throw(); 

Settings

date source
An existing COleDateTime object, which should always be copied to a new COleDateTime.

object

varSrc
The underlying VARIANT data structure (perhaps the incredible COleVariant object) that needs to be converted can be converted to a date/time value (VT_DATE) and a new
COleDateTime. code> object.

dtSrc
The date/time value (DATE) to be copied into the new COleDateTime.

object

source of time
A time_t value, or possibly a __time64_t value that is converted to a date/time value and hard-copied to nThe new COleDateTime object.

system source
SYSTEMTIME data format to convert to date/time value and copy to update object coledatetime.

coledatetime getcurrenttime error

filetimeSrc
The filetime structure is more rigorously converted to a date/time value and is also copied to the new COleDateTime protest. FILETIME uses Coordinated Universal Time (UTC). So if you cross local time in a structure, your business results will be wrong. For more information, see File Timeslots in the Windows SDK.

nyear, nmonth, nday, nhour, nmin, ns
Specify the aspects of the date and time to copy to another coledatetime.

wDosDate, wDosTime
Arbitrary MS-DOS date and time values ​​are converted to a date and time value and copied to a new COleDateTime object.

Timestamp
Reference to a DBTimeStamp structure containing the current prime time. This is

all constructors create a new

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