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using System;
using System.ComponentModel;
using Foundation;
#if __MOBILE__
namespace Xamarin.Forms.Platform.iOS
#else
namespace Xamarin.Forms.Platform.MacOS
#endif
{
class NativeViewPropertyListener : NSObject, INotifyPropertyChanged
{
string TargetProperty { get; set; }
public NativeViewPropertyListener(string targetProperty)
{
TargetProperty = targetProperty;
}
public event PropertyChangedEventHandler PropertyChanged;
public override void ObserveValue(NSString keyPath, NSObject ofObject, NSDictionary change, IntPtr context)
{
if (keyPath.ToString().Equals(TargetProperty, StringComparison.InvariantCultureIgnoreCase))
PropertyChanged?.Invoke(ofObject, new PropertyChangedEventArgs(TargetProperty));
else
base.ObserveValue(keyPath, ofObject, change, context);
}
}
}
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