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DateTime Methods

The DateTime type exposes the following members.

  NameDescription
Public method Add Returns a new DateTime that adds the value of the specified TimeSpan to the value of this instance.
Public method AddDays Returns a new DateTime that adds the specified number of days to the value of this instance.
Public method AddHours Returns a new DateTime that adds the specified number of hours to the value of this instance.
Public method AddMilliseconds Returns a new DateTime that adds the specified number of milliseconds to the value of this instance.
Public method AddMinutes Returns a new DateTime that adds the specified number of minutes to the value of this instance.
Public method AddMonths Returns a new DateTime that adds the specified number of months to the value of this instance.
Public method AddSeconds Returns a new DateTime that adds the specified number of seconds to the value of this instance.
Public method AddTicks Returns a new DateTime that adds the specified number of ticks to the value of this instance.
Public method AddYears Returns a new DateTime that adds the specified number of years to the value of this instance.
Public method Static member Compare Compares two instances of DateTime and returns an integer that indicates whether the first instance is earlier than, the same as, or later than the second instance.
Public method CompareTo(DateTime) Compares the value of this instance to a specified DateTime value and returns an integer that indicates whether this instance is earlier than, the same as, or later than the specified DateTime value.
Public method CompareTo(Object) Compares the value of this instance to a specified object that contains a specified DateTime value, and returns an integer that indicates whether this instance is earlier than, the same as, or later than the specified DateTime value.
Public method Static member DaysInMonth Returns the number of days in the specified month and year.
Public method Equals(DateTime) Returns a value indicating whether the value of this instance is equal to the value of the specified DateTime instance.
Public method Equals(Object) Returns a value indicating whether this instance is equal to a specified object. (Overrides ValueType.Equals(Object).)
Public method Static member Equals(DateTime, DateTime) Returns a value indicating whether two DateTime instances have the same date and time value.
Protected method Finalize Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public method Static member FromBinary Deserializes a 64-bit binary value and recreates an original serialized DateTime object.
Public method Static member FromFileTime Converts the specified Windows file time to an equivalent local time.
Public method Static member FromFileTimeUtc Converts the specified Windows file time to an equivalent UTC time.
Public method Static member FromOADate Returns a DateTime equivalent to the specified OLE Automation Date.
Public method GetDateTimeFormats() Converts the value of this instance to all the string representations supported by the standard date and time format specifiers.
Public method GetDateTimeFormats(Char) Converts the value of this instance to all the string representations supported by the specified standard date and time format specifier.
Public method GetDateTimeFormats(IFormatProvider) Converts the value of this instance to all the string representations supported by the standard date and time format specifiers and the specified culture-specific formatting information.
Public method GetDateTimeFormats(Char, IFormatProvider) Converts the value of this instance to all the string representations supported by the specified standard date and time format specifier and culture-specific formatting information.
Public method GetHashCode Returns the hash code for this instance. (Overrides ValueType.GetHashCode().)
Public method GetType Gets the Type of the current instance. (Inherited from Object.)
Public method GetTypeCode Returns the TypeCode for value type DateTime.
Public method IsDaylightSavingTime Indicates whether this instance of DateTime is within the daylight saving time range for the current time zone.
Public method Static member IsLeapYear Returns an indication whether the specified year is a leap year.
Protected method MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
Public method Static member Parse(String) Converts the specified string representation of a date and time to its DateTime equivalent.
Public method Static member Parse(String, IFormatProvider) Converts the specified string representation of a date and time to its DateTime equivalent using the specified culture-specific format information.
Public method Static member Parse(String, IFormatProvider, DateTimeStyles) Converts the specified string representation of a date and time to its DateTime equivalent using the specified culture-specific format information and formatting style.
Public method Static member ParseExact(String, String, IFormatProvider) Converts the specified string representation of a date and time to its DateTime equivalent using the specified format and culture-specific format information. The format of the string representation must match the specified format exactly.
Public method Static member ParseExact(String, String, IFormatProvider, DateTimeStyles) Converts the specified string representation of a date and time to its DateTime equivalent using the specified format, culture-specific format information, and style. The format of the string representation must match the specified format exactly or an exception is thrown.
Public method Static member ParseExact(String, String[], IFormatProvider, DateTimeStyles) Converts the specified string representation of a date and time to its DateTime equivalent using the specified array of formats, culture-specific format information, and style. The format of the string representation must match at least one of the specified formats exactly or an exception is thrown.
Public method Static member SpecifyKind Creates a new DateTime object that has the same number of ticks as the specified DateTime, but is designated as either local time, Coordinated Universal Time (UTC), or neither, as indicated by the specified DateTimeKind value.
Public method Subtract(DateTime) Subtracts the specified date and time from this instance.
Public method Subtract(TimeSpan) Subtracts the specified duration from this instance.
Public method ToBinary Serializes the current DateTime object to a 64-bit binary value that subsequently can be used to recreate the DateTime object.
Public method ToFileTime Converts the value of the current DateTime object to a Windows file time.
Public method ToFileTimeUtc Converts the value of the current DateTime object to a Windows file time.
Public method ToLocalTime Converts the value of the current DateTime object to local time.
Public method ToLongDateString Converts the value of the current DateTime object to its equivalent long date string representation.
Public method ToLongTimeString Converts the value of the current DateTime object to its equivalent long time string representation.
Public method ToOADate Converts the value of this instance to the equivalent OLE Automation date.
Public method ToShortDateString Converts the value of the current DateTime object to its equivalent short date string representation.
Public method ToShortTimeString Converts the value of the current DateTime object to its equivalent short time string representation.
Public method ToString() Converts the value of the current DateTime object to its equivalent string representation. (Overrides ValueType.ToString().)
Public method ToString(IFormatProvider) Converts the value of the current DateTime object to its equivalent string representation using the specified culture-specific format information.
Public method ToString(String) Converts the value of the current DateTime object to its equivalent string representation using the specified format.
Public method ToString(String, IFormatProvider) Converts the value of the current DateTime object to its equivalent string representation using the specified format and culture-specific format information.
Public method ToUniversalTime Converts the value of the current DateTime object to Coordinated Universal Time (UTC).
Public method Static member TryParse(String, DateTime) Converts the specified string representation of a date and time to its DateTime equivalent and returns a value that indicates whether the conversion succeeded.
Public method Static member TryParse(String, IFormatProvider, DateTimeStyles, DateTime) Converts the specified string representation of a date and time to its DateTime equivalent using the specified culture-specific format information and formatting style, and returns a value that indicates whether the conversion succeeded.
Public method Static member TryParseExact(String, String, IFormatProvider, DateTimeStyles, DateTime) Converts the specified string representation of a date and time to its DateTime equivalent using the specified format, culture-specific format information, and style. The format of the string representation must match the specified format exactly. The method returns a value that indicates whether the conversion succeeded.
Public method Static member TryParseExact(String, String[], IFormatProvider, DateTimeStyles, DateTime) Converts the specified string representation of a date and time to its DateTime equivalent using the specified array of formats, culture-specific format information, and style. The format of the string representation must match at least one of the specified formats exactly. The method returns a value that indicates whether the conversion succeeded.
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  NameDescription
Explicit interface implemetation Private method IConvertible.ToBoolean Infrastructure. This conversion is not supported. Attempting to use this method throws an InvalidCastException.
Explicit interface implemetation Private method IConvertible.ToByte Infrastructure. This conversion is not supported. Attempting to use this method throws an InvalidCastException.
Explicit interface implemetation Private method IConvertible.ToChar Infrastructure. This conversion is not supported. Attempting to use this method throws an InvalidCastException.
Explicit interface implemetation Private method IConvertible.ToDateTime Infrastructure. Returns the current DateTime object.
Explicit interface implemetation Private method IConvertible.ToDecimal Infrastructure. This conversion is not supported. Attempting to use this method throws an InvalidCastException.
Explicit interface implemetation Private method IConvertible.ToDouble Infrastructure. This conversion is not supported. Attempting to use this method throws an InvalidCastException.
Explicit interface implemetation Private method IConvertible.ToInt16 Infrastructure. This conversion is not supported. Attempting to use this method throws an InvalidCastException.
Explicit interface implemetation Private method IConvertible.ToInt32 Infrastructure. This conversion is not supported. Attempting to use this method throws an InvalidCastException.
Explicit interface implemetation Private method IConvertible.ToInt64 Infrastructure. This conversion is not supported. Attempting to use this method throws an InvalidCastException.
Explicit interface implemetation Private method IConvertible.ToSByte Infrastructure. This conversion is not supported. Attempting to use this method throws an InvalidCastException.
Explicit interface implemetation Private method IConvertible.ToSingle Infrastructure. This conversion is not supported. Attempting to use this method throws an InvalidCastException.
Explicit interface implemetation Private method IConvertible.ToType Infrastructure. Converts the current DateTime object to an object of a specified type.
Explicit interface implemetation Private method IConvertible.ToUInt16 Infrastructure. This conversion is not supported. Attempting to use this method throws an InvalidCastException.
Explicit interface implemetation Private method IConvertible.ToUInt32 Infrastructure. This conversion is not supported. Attempting to use this method throws an InvalidCastException.
Explicit interface implemetation Private method IConvertible.ToUInt64 Infrastructure. This conversion is not supported. Attempting to use this method throws an InvalidCastException.
Explicit interface implemetation Private method ISerializable.GetObjectData Populates a SerializationInfo object with the data needed to serialize the current DateTime object.
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