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Observable.MinBy(TSource, TKey) Method (IObservable(TSource), Func(TSource, TKey), IComparer(TKey))

Returns the elements in an observable sequence with the minimum key value according to the specified comparer.

Namespace:  System.Reactive.Linq
Assembly:  System.Reactive (in System.Reactive.dll)

static member MinBy : 
        source:IObservable<'TSource> * 
        keySelector:Func<'TSource, 'TKey> * 
        comparer:IComparer<'TKey> -> IObservable<IList<'TSource>> 

Type Parameters

TSource

The type of source.

TKey

The type of key.

Parameters

source
Type: System.IObservable(TSource)
An observable sequence to get the minimum elements for.
keySelector
Type: System.Func(TSource, TKey)
The key selector function.
comparer
Type: System.Collections.Generic.IComparer(TKey)
The comparer used to compare key values.

Return Value

Type: System.IObservable(IList(TSource))
The elements in an observable sequence with the minimum key value according to the specified comparer.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IObservable(TSource). When you use instance method syntax to call this method, omit the first parameter. For more information, see http://msdn.microsoft.com/en-us/library/bb384936(v=vs.103).aspx or http://msdn.microsoft.com/en-us/library/bb383977(v=vs.103).aspx.
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