public object Convert(object value, Type targetType, object parameter, string language)
{
WMMessage message = value as WMMessage;
if (message == null || !message.isFileMessage())
{
return(null);
}
WMBaseSession session = WebimController.Instance.RealtimeSession;
if (session == null)
{
session = WebimController.Instance.OfflineSession;
}
if (session == null || !IsSupportedImage(message))
{
return(null);
}
Uri path = session.AttachmentUriForMessage(message);
switch (message.Status)
{
case WMMessage.WMMessageStatus.Sent:
return(new BitmapImage(path));
case WMMessage.WMMessageStatus.NotSent:
return(new BitmapImage(path));
}
return(null);
}
void session_SessionDidReceiveError(WMSession session, WMBaseSession.WMSessionError errorID)
{
UpdateCommandBarButtonsStates();
}
