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DateTimeExtensionsSubtract Method (DateTime, Int64, DateTimeUnit, String)

Subtracts a value of the specified unit from a DateTime taking a timezone into consideration.

Namespace:  MongoDB.Driver.Linq
Assembly:  MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.14.0+2b37a1fe1cbdbe1a020b52b77f1197b6d77575e7
Syntax
public static DateTime Subtract(
	this DateTime this,
	long value,
	DateTimeUnit unit,
	string timezone
)

Parameters

this
Type: SystemDateTime
The original DateTime.
value
Type: SystemInt64
The value to be added.
unit
Type: MongoDB.Driver.LinqDateTimeUnit
The unit.
timezone
Type: SystemString
The timezone.

Return Value

Type: DateTime
The resulting DateTime.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type DateTime. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
Remarks
See the server documentation for $dateSubtract for information on timezones in MongoDB.
See Also