private void _attachLights()
{
bool hasRevealBorderLight = false;
var element = Window.Current.Content;
foreach (var item in element.Lights)
{
if (item is MyRevealBorderLight revealLight)
{
RevealBorderLight = revealLight;
hasRevealBorderLight = true;
break;
}
}
if (!hasRevealBorderLight)
{
RevealBorderLight = new MyRevealBorderLight();
element.Lights.Add(RevealBorderLight);
}
MyRevealBorderLight.AddTargetBrush(MyRevealBorderLight.GetIdStatic(), this);
}
private void _unAttachLights()
{
MyRevealBorderLight.RemoveTargetBrush(MyRevealBorderLight.GetIdStatic(), this);
}