public Properties(Control parent)
: base(parent)
{
m_SplitterBar = new SplitterBar(this);
m_SplitterBar.SetPosition(80, 0);
m_SplitterBar.Cursor = Cursors.SizeWE;
m_SplitterBar.Dragged += OnSplitterMoved;
m_SplitterBar.ShouldDrawBackground = false;
}