My code:

IsPinned="False" Margin="5,0,5,5" AllowFloatingOnly ="False">

When click PaneTabItem, Contentpane will flyout, and XamDockManager.GetPaneLocation(paneItem) is PaneLocation.Unpinned. When I flyin Contentpane, XamDockManager.GetPaneLocation(paneItem) is still  PaneLocation.Unpinned.

I want to know which property is used to distinguish flyout and flyin status.

My task is left click PaneTabItem, flyout the pane, left click agian,  flyin the pane.

My code:

EventManager.RegisterClassHandler(
typeof(PaneTabItem),
Control.MouseLeftButtonDownEvent,
new MouseButtonEventHandler(OnPaneTabItemMouseLeftButtonDown));

private void OnPaneTabItemMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
PaneTabItem paneItem = sender as PaneTabItem;
ContentPane pane = paneItem.Pane;

if (pane != null)
{
if (pane.IsPinned == false)
{

//I can not distinguish flyout and flyin status, if in flyout status, just fly in 
if (XamDockManager.GetPaneLocation(paneItem) == PaneLocation.Unpinned)
{
pane.ExecuteCommand(ContentPaneCommands.FlyIn);
}

//if in flyin status, just flyout
else
{
pane.ExecuteCommand(ContentPaneCommands.Flyout);
}
}
}

}

But it does not work, because I can not distinguish flyout and flyin status.