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using System;
using System.Drawing;
#if __UNIFIED__
using UIKit;
#else
using MonoTouch.UIKit;
#endif
namespace Xamarin.Forms.Platform.iOS
{
public class SwitchRenderer : ViewRenderer<Switch, UISwitch>
{
protected override void Dispose(bool disposing)
{
if (disposing)
Control.ValueChanged -= OnControlValueChanged;
base.Dispose(disposing);
}
protected override void OnElementChanged(ElementChangedEventArgs<Switch> e)
{
if (e.OldElement != null)
e.OldElement.Toggled -= OnElementToggled;
if (e.NewElement != null)
{
if (Control == null)
{
SetNativeControl(new UISwitch(RectangleF.Empty));
Control.ValueChanged += OnControlValueChanged;
}
Control.On = Element.IsToggled;
e.NewElement.Toggled += OnElementToggled;
}
base.OnElementChanged(e);
}
void OnControlValueChanged(object sender, EventArgs e)
{
((IElementController)Element).SetValueFromRenderer(Switch.IsToggledProperty, Control.On);
}
void OnElementToggled(object sender, EventArgs e)
{
Control.SetState(Element.IsToggled, true);
}
}
}
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