void CalculateWidthOfLeftDockedControls()
{
m_widthOfLeftDockedControls = 0;
foreach(Control c in Controls)
{
if ((c.Dock & DockStyle.Left) == 0)
continue;
if (m_widthOfLeftDockedControls < c.Left + c.Width)
m_widthOfLeftDockedControls = c.Left + c.Width;
}
}