private static void OnValidatesOnDataErrorsChanged(BindableObject view, object oldvalue, object newvalue)
{
if (!Convert.ToBoolean(newvalue) || !(view is IXfxValidatableElement))
{
return;
}
var binding = view.GetBinding(Entry.TextProperty);
var boundPropertyName = binding.Path;
((VisualElement)view).Behaviors.Add(new ValidatesOnNotifyDataErrors {
PropertyName = boundPropertyName
});
}
public static void SetCurrentValue(this BindableObject self, BindableProperty property, object value)
{
if (self == null)
{
throw new ArgumentNullException(nameof(self));
}
if (property == null)
{
throw new ArgumentNullException(nameof(property));
}
var backupBinding = self.GetBinding(property); //backup binding
var backupConverter = backupBinding.Converter; //backup orig. converter
self.SetValue(property, value); //removes the binding.
backupBinding.Converter = new DefaultValueConverter {
DefaultValue = value
}; //change the converter
self.SetBinding(property, backupBinding); //target should be updated to the default value
var converterField = backupBinding.GetType().GetTypeInfo().GetDeclaredField("_converter");
converterField.SetValue(backupBinding, backupConverter); //restore the converter
}
