SubscriptionStateChange Event
Event handler to notify changes in the state of the underlying subscription.
Namespace: Microsoft.Rtc.Collaboration.ContactsGroups
Assembly: Microsoft.Rtc.Collaboration (in Microsoft.Rtc.Collaboration.dll)
Syntax
'Declaration
Public Event SubscriptionStateChange As EventHandler(Of PresenceSubscriptionStateChangedEventArgs)
'Usage
Dim instance As ContactGroupServices
Dim handler As EventHandler(Of PresenceSubscriptionStateChangedEventArgs)
AddHandler instance.SubscriptionStateChange, handler
public event EventHandler<PresenceSubscriptionStateChangedEventArgs> SubscriptionStateChange