internal void UnregisterBinding(BindingRegistration registration)
{
if (registration.InternalRegistration != null)
{
if (_bindings.TryGetValue(registration.PropertyName, out List <InternalBindingRegistration> internalRegistrations))
{
internalRegistrations.Remove(registration.InternalRegistration);
if (internalRegistrations.Count == 0)
{
_bindings.Remove(registration.PropertyName);
}
}
}
else
{
if (_subPropertyBindings.TryGetValue(registration.PropertyName, out BindingHost subBindingHost))
{
subBindingHost.UnregisterBinding(registration.SubRegistration);
if (subBindingHost.IsEmpty())
{
subBindingHost.Unregister();
_subPropertyBindings.Remove(registration.PropertyName);
}
}
}
}
/// <summary>
/// Will ensure events aren't triggered when value is set
/// </summary>
/// <param name="propertyPath"></param>
/// <param name="value"></param>
internal void SetValue(string[] propertyPath, object value, BindingRegistration bindingRegistrationToSkipNotifying, PropertyInfoAndObject preObtainedSourceProperty = null)
{
var property = preObtainedSourceProperty ?? GetProperty(propertyPath);
if (property != null)
{
BindingHost bindingHost = null;
InternalBindingRegistration internalRegistrationToSkip = null;
if (bindingRegistrationToSkipNotifying != null)
{
internalRegistrationToSkip = bindingRegistrationToSkipNotifying.GetFinalInternalRegistration();
bindingHost = FindBindingHost(propertyPath);
if (bindingHost != null)
{
bindingHost._bindingRegistrationToSkipOnce = internalRegistrationToSkip;
}
}
try
{
property.PropertyInfo.SetValue(property.Object, value);
}
finally
{
if (bindingHost != null && bindingHost._bindingRegistrationToSkipOnce == internalRegistrationToSkip)
{
bindingHost._bindingRegistrationToSkipOnce = null;
}
}
}
}
internal BindingRegistration(BindingHost host, string propertyName, BindingRegistration subRegistration, string[] fullPropertyPath)
{
BindingHost = host;
PropertyName = propertyName;
SubRegistration = subRegistration;
_fullPropertyPath = fullPropertyPath;
}
