public void GetLatestTransactionDateDouble(Action<double, Exception> callback)
{
try
{
var client = new MainClient();
client.GetLatestTransactionDateDoubleAsync(App.Instance.User.UserId);
client.GetLatestTransactionDateDoubleCompleted += (sender, e) =>
{
callback(e.Result, e.Error);
};
}
catch (Exception)
{
throw;
}
}