private void SinHandler_Unloaded(object sender, RoutedEventArgs e)
{
SingleInputConverter sic = (SingleInputConverter)sender;
string token = (string)sic.Input;
if (!string.IsNullOrWhiteSpace(token) && handlers.ContainsKey(token))
{
handlers.Remove(token);
}
}
private object SicHandler_ConvertRef(object sender, SingleInputsConvertEventArgs e)
{
SyncPairHandler handler;
SingleInputConverter sic = (SingleInputConverter)sender;
string oldToken = (string)e.OldValue;
string newToken = (string)e.Input;
if (!string.IsNullOrWhiteSpace(oldToken) &&
handlers.ContainsKey(oldToken))
{
handlers.Remove(oldToken);
}
if (string.IsNullOrWhiteSpace(newToken))
{
return(null);
}
handlers[newToken] = sic;
return(BackgroundTaskHelper.Current.TryGetHandler(newToken, out handler) ? handler : null);
}
