private void AddOutputs(string line, OutputLevel level) { if (!string.IsNullOrEmpty(tbOutputs.Text)) { tbOutputs.Text += "\r\n"; } if (level == OutputLevel.None) { tbOutputs.Text = tbOutputs.Text + line; } else { tbOutputs.Text = tbOutputs.Text + " [" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff") + "] [" + level.ToString() + "] " + line; } }