public static void OnContentChanged(BindableObject bindable, object oldValue, object newValue)
{
var self = (IControlTemplated)bindable;
var newElement = (Element)newValue;
if (self.ControlTemplate == null)
{
while (self.InternalChildren.Count > 0)
{
self.InternalChildren.RemoveAt(self.InternalChildren.Count - 1);
}
if (newValue != null)
{
self.InternalChildren.Add(newElement);
}
}
else
{
if (newElement != null)
{
BindableObject.SetInheritedBindingContext(newElement, bindable.BindingContext);
}
}
}
public static void OnBindingContextChanged(IImageElement image, VisualElement visualElement)
{
if (image.Source != null)
{
BindableObject.SetInheritedBindingContext(image.Source, visualElement?.BindingContext);
}
}
public static void ImageSourceChanged(BindableObject bindable, ImageSource newSource)
{
var visualElement = (VisualElement)bindable;
if (newSource != null)
{
BindableObject.SetInheritedBindingContext(newSource, visualElement?.BindingContext);
}
visualElement?.InvalidateMeasureInternal(InvalidationTrigger.MeasureChanged);
}
