public void RemoveTab(TabPage page)
{
var idx = -1;
if (CurrentButton == page.TabButton)
{
idx = TabStrip.Children.IndexOf(page.TabButton);
if (idx == TabStrip.Children.Count - 1)
{
idx--;
}
m_CurrentButton = null;
}
TabStrip.RemoveChild(page.TabButton, true);
RemoveChild(page, true);
if (idx != -1)
{
GetPage(idx).FocusTab();
}
OnLoseTab(page.TabButton);
Invalidate();
}