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DateTimeExtensionsSubtract Method (DateTime, DateTime, DateTimeUnit)

Subtracts the start date from the end date returning the result in the specified unit.

Namespace:  MongoDB.Driver.Linq
Assembly:  MongoDB.Driver (in MongoDB.Driver.dll) Version: 2.22.0+75246110ed1247226fcc7f8eb2c54ffab745693e
Syntax
public static long Subtract(
	this DateTime this,
	DateTime startDate,
	DateTimeUnit unit
)

Parameters

this
Type: SystemDateTime
The original DateTime.
startDate
Type: SystemDateTime
The start date.
unit
Type: MongoDB.Driver.LinqDateTimeUnit
The unit.

Return Value

Type: Int64
The result.

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).
See Also