C#

<br />
class FileWindow : Form {<br />
	TextBox test;<br />
	<br />
	public FileWindow() {<br />
		test = new TextBox();<br />
		test.Multiline = true;<br />
		test.WordWrap = false;<br />
		test.ScrollBars = ScrollBars.Both;<br />
		test.Location = new Point(0, 0);<br />
		test.Size = new Size(this.Width-8, this.Height-33);<br />
		test.Font = new Font("Courier New", 10);<br />
		<br />
		this.Controls.Add(test);<br />
		this.Resize += new EventHandler(ResizeTextBox);<br />
		this.SizeGripStyle = SizeGripStyle.Show;<br />
	}<br />
	<br />
	public void ResizeTextBox(object sender, EventArgs e) {<br />
		test.Size = new Size(this.Width-10, this.Height-35);<br />
	}<br />
}<br />