'UsageDim instance As NotifyingWidget Dim action As Action instance.Synchronize(action)
Parameters
- action
 - Action to be invoked.
 
            'UsageDim instance As NotifyingWidget Dim action As Action instance.Synchronize(action)
| Exception | Description | 
|---|---|
| System.ArgumentNullException | 
             A  This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.  |