DataCollection | ComponentOne
C1.iOS.DataCollection Assembly / C1.iOS.DataCollection Namespace / C1CollectionViewSource<T> Class / AddObserver Method / AddObserver(String,NSKeyValueObservingOptions,Action<NSObservedChange>) Method

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    AddObserver(String,NSKeyValueObservingOptions,Action<NSObservedChange>) Method
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    Syntax
    'Declaration
     
    Public Overloads Function AddObserver( _
       ByVal key As String, _
       ByVal options As Foundation.NSKeyValueObservingOptions, _
       ByVal observer As Action(Of NSObservedChange) _
    ) As IDisposable
    public IDisposable AddObserver( 
       string key,
       Foundation.NSKeyValueObservingOptions options,
       Action<NSObservedChange> observer
    )

    Parameters

    key
    options
    observer
    See Also