Enumerable.Except(TSource) Method (IEnumerable(TSource), IEnumerable(TSource), IEqualityComparer(TSource))
Silverlight
Produces the set difference of two sequences by using the specified IEqualityComparer(T) to compare values.
Namespace: System.Linq
Assembly: System.Core (in System.Core.dll)
Type Parameters
- TSource
The type of the elements of the input sequences.
Parameters
- first
- Type: System.Collections.Generic.IEnumerable(TSource)
An IEnumerable(T) whose elements that are not also in second will be returned.
- second
- Type: System.Collections.Generic.IEnumerable(TSource)
An IEnumerable(T) whose elements that also occur in the first sequence will cause those elements to be removed from the returned sequence.
- comparer
- Type: System.Collections.Generic.IEqualityComparer(TSource)
An IEqualityComparer(T) to compare values.
Return Value
Type: System.Collections.Generic.IEnumerable(TSource)A sequence that contains the set difference of the elements of two sequences.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerable(TSource). When you use instance method syntax to call this method, omit the first parameter.| Exception | Condition |
|---|---|
| ArgumentNullException | first or second is a null reference (Nothing in Visual Basic). |
If comparer is a null reference (Nothing in Visual Basic), the default equality comparer, Default, is used to compare values.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.
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