/// <summary>
/// Removes the overlay under the modal window.
/// </summary>
internal void RemoveOverlay()
{
if (overlay.IsVisible())
{
FloatingWindow topmostWindow = null;
if (FloatingWindows.Count(x => x.IsOpen && x.IsModal) == 0)
{
// If there are no more modal windows - remove the overlay
VisualStateManager.GoToState(this, VSMSTATE_HiddenOverlay, true);
topmostWindow = GetTopmostWindow();
}
else
{
topmostWindow = GetTopmostModalWindow();
if (topmostWindow != null)
{
topmostWindow.MoveToContainer(modalCanvas);
}
}
SetFocusToActiveWindow(topmostWindow);
}
}
/// <summary>
/// Moves the window to the "modal" layer.
/// </summary>
/// <param name="modalWindow">The modal window.</param>
private void MoveWindowToModalLayer(FloatingWindow modalWindow)
{
FloatingWindow window = this.ModalWindow;
if (window != null && window != modalWindow)
{
// If there is already a modal window - move it to the HostCanvas
window.MoveToContainer(hostCanvas);
SetTopmost(window);
}
modalWindow.MoveToContainer(modalCanvas);
}
