ChatMessageStore.MessageChanged Event

Definition

Namespace:

Windows.ApplicationModel.Chat

An event that occurs when a message in the message store is changed.

// Register
event_token MessageChanged(TypedEventHandler<ChatMessageStore, ChatMessageChangedEventArgs const&> const& handler) const;

// Revoke with event_token
void MessageChanged(event_token const* cookie) const;

// Revoke with event_revoker
ChatMessageStore::MessageChanged_revoker MessageChanged(auto_revoke_t, TypedEventHandler<ChatMessageStore, ChatMessageChangedEventArgs const&> const& handler) const;

public event TypedEventHandler<ChatMessageStore,ChatMessageChangedEventArgs> MessageChanged;

function onMessageChanged(eventArgs) { /* Your code */ }
chatMessageStore.addEventListener("messagechanged", onMessageChanged);
chatMessageStore.removeEventListener("messagechanged", onMessageChanged);
- or -
chatMessageStore.onmessagechanged = onMessageChanged;

Public Custom Event MessageChanged As TypedEventHandler(Of ChatMessageStore, ChatMessageChangedEventArgs) 

Event Type

TypedEventHandler<ChatMessageStore,ChatMessageChangedEventArgs>

Windows requirements

App capabilities

chat blockedChatMessages chatSystem smsSend

Remarks

The following simple example demonstrates how to declare and enable change tracking for message changes.

void ChatMessageStore_MessageChanged(ChatMessageStore store, ChatMessageChangedEventArgs changeArgs)
{
    // Act on the event…
}

void SetStoreProperties(ChatMessageStore store)
{
    store.MessageChanged += ChatMessageStore_MessageChanged;
    store.ChangeTracker.Enable();
}