static void OnControlChanged(object sender, EventArgs e)
{
IVisualNativeElementRenderer renderer = (IVisualNativeElementRenderer)sender;
IBorderElement backgroundView = (IBorderElement)renderer.Element;
UpdateBorder(renderer, backgroundView);
}
public static void UpdateBorder(IVisualNativeElementRenderer renderer, IBorderElement backgroundView)
{
var control = renderer.Control;
var ImageButton = backgroundView;
if (control == null)
{
return;
}
if (ImageButton.BorderColor != null)
{
control.Layer.BorderColor = ImageButton.BorderColor.ToCGColor();
}
control.Layer.BorderWidth = Math.Max(0f, (float)ImageButton.BorderWidth);
nfloat cornerRadius = _defaultCornerRadius;
if (ImageButton.IsCornerRadiusSet() && ImageButton.CornerRadius != ImageButton.CornerRadiusDefaultValue)
{
cornerRadius = ImageButton.CornerRadius;
}
control.Layer.CornerRadius = cornerRadius;
}
public static void Dispose(IVisualNativeElementRenderer renderer)
{
var control = (UIButton)renderer.Control;
renderer.ElementPropertyChanged -= OnElementPropertyChanged;
control.TouchUpInside -= TouchUpInside;
control.TouchDown -= TouchDown;
}
static void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
IVisualNativeElementRenderer renderer = (IVisualNativeElementRenderer)sender;
IBorderElement backgroundView = (IBorderElement)renderer.Element;
if (e.PropertyName == Button.BorderWidthProperty.PropertyName || e.PropertyName == Button.CornerRadiusProperty.PropertyName || e.PropertyName == Button.BorderColorProperty.PropertyName)
{
UpdateBorder(renderer, backgroundView);
}
}
public static void Dispose(IVisualNativeElementRenderer renderer)
{
var control = (NativeButton)renderer.Control;
renderer.ElementPropertyChanged -= OnElementPropertyChanged;
#if __MOBILE__
control.TouchUpInside -= TouchUpInside;
control.TouchDown -= TouchDown;
#else
control.Released -= TouchUpInside;
control.Pressed -= TouchDown;
#endif
}
public static void Init(IVisualNativeElementRenderer renderer)
{
renderer.ElementPropertyChanged += OnElementPropertyChanged;
renderer.ControlChanged += OnControlChanged;
}
public static void Dispose(IVisualNativeElementRenderer renderer)
{
renderer.ElementPropertyChanged -= OnElementPropertyChanged;
renderer.ElementChanged -= OnElementChanged;
renderer.ControlChanged -= OnControlChanged;
}
static void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
IVisualNativeElementRenderer renderer = (IVisualNativeElementRenderer)sender;
