ObservableCollection<T>.BlockReentrancy Method  
Definition
Important
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Disallows reentrant attempts to change this collection.
protected:
 IDisposable ^ BlockReentrancy();protected IDisposable BlockReentrancy();member this.BlockReentrancy : unit -> IDisposableProtected Function BlockReentrancy () As IDisposableReturns
An IDisposable object that can be used to dispose of the object.
Examples
The typical usage is to wrap an OnCollectionChanged call within a using scope, as in the following example:
using (BlockReentrancy())
{
    // OnCollectionChanged call
}
Using BlockReentrancy()
    ' OnCollectionChanged call
End Using