Grouping.contains Method
Determines whether this sequence contains a specified element by using a specified equality comparer.
Parameters
- value
-
Type: Object - May be null
The value to locate in this sequence.
- equalityComparer
-
Type: IEqualityComparer
An equality comparer to compare values.
Optional: True
Return Value
Type: Boolean
true if this sequence contains an element that has the specified value; otherwise, false.