title: How to add a line to a multiline TextBox?
body: <p>How can i add a line of text to a <a href="http://msdn.microsoft.com/en-us/library/system.windows.forms.textboxbase.multiline%28v=VS.80%29.aspx" rel="noreferrer">multi-line</a> <a href="http://msdn.microsoft.com/en-us/library/system.windows.forms.textbox%28v=VS.80%29.aspx" rel="noreferrer"><code>TextBox</code></a>?</p>
  
  <p>e.g. pseudocode;</p>
  
  <pre><code>textBox1.Clear();
  textBox1.Lines.Add("1000+");
  textBox1.Lines.Add("750-999");
  textBox1.Lines.Add("400-749");
  ...snip...
  textBox1.Lines.Add("40-59");
  </code></pre>
  
  <p>or</p>
  
  <pre><code>textBox1.Lines.Append("brown");
  textBox1.Lines.Append("brwn");
  textBox1.Lines.Append("brn");
  textBox1.Lines.Append("brow");
  textBox1.Lines.Append("br");
  textBox1.Lines.Append("brw");
  textBox1.Lines.Append("brwm");
  textBox1.Lines.Append("bron");
  textBox1.Lines.Append("bwn");
  textBox1.Lines.Append("brnw");
  textBox1.Lines.Append("bren");
  textBox1.Lines.Append("broe");
  textBox1.Lines.Append("bewn");
  </code></pre>
  
  <p>The only methods that <a href="http://msdn.microsoft.com/en-US/library/system.windows.forms.textboxbase.lines%28v=VS.80%29.aspx" rel="noreferrer">TextBox.Lines</a> implements (that i can see) are:</p>
  
  <ul>
  <li>Clone</li>
  <li>CopyTo</li>
  <li>Equals</li>
  <li>GetType</li>
  <li>GetHashCode</li>
  <li>GetEnumerator</li>
  <li>Initialize</li>
  <li>GetLowerBound</li>
  <li>GetUpperBound</li>
  <li>GetLength</li>
  <li>GetLongLength</li>
  <li>GetValue</li>
  <li>SetValue</li>
  <li>ToString</li>
  </ul>
  
  <p><img src="https://i.stack.imgur.com/faVJn.png" alt="enter image description here"></p>