private void PostText_KeyUp(object sender, KeyEventArgs e) { if (CommandHandled || Tweeted) { try { PostText.SelectionStart--; PostText.Text = PostText.Text.Remove(PostText.SelectionStart, 1); PostText.Text = PostText.Text.Replace("\n", "").Replace("\r", ""); PostText.SelectionStart = PostText.Text.Length; PostText.Update(); } catch { } finally { CommandHandled = Tweeted = false; } } }