/// <summary>
/// Initializes a new instance of the TextBox class.
/// </summary>
public TextBox()
{
Cursor = Cursors.IBeam;
document = new TextBoxDocument(this);
VerticalScrollBar.Enabled = false;
VerticalScrollBar.ValueChanged += (o, e) => DoScroll(0, (o as VerticalScrollBar) !.Value - scroll_y);
}
