  | QueryModelExtensionsDifference Method (DateTime, DateTime) | 
 
            Calculate the difference between two dates
            
 
    Namespace: 
   SanteDB.Core.Model.Query
    Assembly:
   SanteDB.Core.Model (in SanteDB.Core.Model.dll) Version: 3.0.481-alpha
Syntaxpublic static TimeSpan Difference(
	this DateTime source,
	DateTime target
)
<ExtensionAttribute>
Public Shared Function Difference ( 
	source As DateTime,
	target As DateTime
) As TimeSpan
public:
[ExtensionAttribute]
static TimeSpan Difference(
	DateTime source, 
	DateTime target
)
[<ExtensionAttribute>]
static member Difference : 
        source : DateTime * 
        target : DateTime -> TimeSpan 
Parameters
- source
 - Type: SystemDateTime
[Missing <param name="source"/> documentation for "M:SanteDB.Core.Model.Query.QueryModelExtensions.Difference(System.DateTime,System.DateTime)"]
 - target
 - Type: SystemDateTime
[Missing <param name="target"/> documentation for "M:SanteDB.Core.Model.Query.QueryModelExtensions.Difference(System.DateTime,System.DateTime)"]
 
Return Value
Type: 
TimeSpan[Missing <returns> documentation for "M:SanteDB.Core.Model.Query.QueryModelExtensions.Difference(System.DateTime,System.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).
See Also