ReadOnlyCollection<T>.ICollection<T>.Clear Method  
Definition
Important
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Removes all items from the ICollection<T>. This implementation always throws NotSupportedException.
 virtual void System.Collections.Generic.ICollection<T>.Clear() = System::Collections::Generic::ICollection<T>::Clear;void ICollection<T>.Clear();abstract member System.Collections.Generic.ICollection<T>.Clear : unit -> unit
override this.System.Collections.Generic.ICollection<T>.Clear : unit -> unitSub Clear () Implements ICollection(Of T).ClearImplements
Exceptions
Always thrown.
Remarks
This member is an explicit interface member implementation. It can be used only when the ReadOnlyCollection<T> instance is cast to an ICollection<T> interface.