private static Style GetOverlayStyle(View popupView)
{
var style = DialogLayout.GetMaskStyle(popupView);
if (style != null)
{
return(style);
}
if (Application.Current.Resources.ContainsKey(PopupOverlayStyle))
{
style = (Style)Application.Current.Resources[PopupOverlayStyle];
if (style.TargetType == typeof(BoxView))
{
return(style);
}
}
var overlayStyle = new Style(typeof(BoxView));
overlayStyle.Setters.Add(new Setter {
Property = VisualElement.OpacityProperty, Value = 0.75
});
overlayStyle.Setters.Add(new Setter {
Property = VisualElement.BackgroundColorProperty, Value = Color.Black
});
Application.Current.Resources[PopupOverlayStyle] = overlayStyle;
return(overlayStyle);
}