public void ProcessSimpleMessage(ChatMessage chatMessage)
{
if (chatMessage == null || string.IsNullOrEmpty(chatMessage.UserName) || chatMessage.UserUri == null)
{
return;
}
PeerUser peerUserObject = this.simpleChat.GetUser(chatMessage.UserUri);
if (peerUserObject == null)
{
// User is not in internal store, update container and show message
peerUserObject = new PeerUser(chatMessage.UserName, new EndpointAddress(chatMessage.UserUri));
this.simpleChat.AddUser(peerUserObject);
peerUserObject.ChatWindow = new ChatWindow(this.simpleChat, peerUserObject);
}
if (peerUserObject.ChatWindowExists)
{
// User is in internal store and has an open chat window
peerUserObject.ChatWindow.DisplayMessage(chatMessage);
ShowChatWindow(peerUserObject);
}
else
{
// User is in internal store but no chat window is open
peerUserObject.ChatWindow = new ChatWindow(this.simpleChat, peerUserObject);
peerUserObject.ChatWindow.DisplayMessage(chatMessage);
ShowChatWindow(peerUserObject);
}
}
private void SendMessage_Click(object sender, EventArgs e)
{
try
{
ChatMessage sentMsg = new ChatMessage(this.simpleChatOwner.UserName, chatText.Text, this.simpleChatOwner.LocalAddress);
this.chatClient.ProcessSimpleMessage(sentMsg);
this.DisplayMessage(sentMsg);
this.chatText.Clear();
}
catch (CommunicationException cex)
{
((ICommunicationObject)chatClient).Abort();
MessageBox.Show(
string.Format(
CultureInfo.CurrentCulture,
Resources.UserNotAvailableMessage,
this.peerUser.UserName,
cex.Message),
this.Text,
MessageBoxButtons.OK,
MessageBoxIcon.Information,
MessageBoxDefaultButton.Button1,
(MessageBoxOptions)0);
this.simpleChatOwner.RemoveUser(this.peerUser.Address.Uri);
this.Close();
}
catch (Exception ex)
{
MessageBox.Show(
string.Format(CultureInfo.CurrentCulture, Resources.UnknownErrorMessage, ex.Message),
this.Text,
MessageBoxButtons.OK,
MessageBoxIcon.Information,
MessageBoxDefaultButton.Button1,
(MessageBoxOptions)0);
}
}
public void DisplayMessage(ChatMessage message)
{
if (message == null)
{
throw new ArgumentNullException("message");
}
chatBox.Items.Add(message.UserName + " says: " + message.Message);
}
