private void AutoHide_Click(object sender, EventArgs e)
{
DockPane.DockState = DockHelper.ToggleAutoHideState(DockPane.DockState);
if (DockHelper.IsDockStateAutoHide(DockPane.DockState))
{
DockPane.DockPanel.ActiveAutoHideContent = null;
DockPane.NestedDockingStatus.NestedPanes.SwitchPaneWithFirstChild(DockPane);
}
}