private void CreateOverlayWindow()
{
if (_overlayWindow == null)
{
_overlayWindow = new OverlayWindow(this);
}
var rectWindow = new Rect(this.PointToScreenDPIWithoutFlowDirection(new Point()),
this.TransformActualSizeToAncestor());
_overlayWindow.Left = rectWindow.Left;
_overlayWindow.Top = rectWindow.Top;
_overlayWindow.Width = rectWindow.Width;
_overlayWindow.Height = rectWindow.Height;
}
private void DestroyOverlayWindow()
{
if (_overlayWindow != null)
{
_overlayWindow.Close();
_overlayWindow = null;
}
}
protected override void OnClosed(EventArgs e)
{
var root = Model.Root;
root.Manager.RemoveFloatingWindow(this);
root.CollectGarbage();
if (_overlayWindow != null)
{
_overlayWindow.Close();
_overlayWindow = null;
}
base.OnClosed(e);
if (!CloseInitiatedByUser)
{
root.FloatingWindows.Remove(_model);
}
_model.PropertyChanged -= _model_PropertyChanged;
}