/// <summary>
/// Sets the specified <paramref name="binding"/> on the <paramref name="target"/> instance.
/// </summary>
internal void SetBinding(DependencyProperty dependencyProperty, Binding binding, ManagedWeakReference target)
{
if (GetPropertyDetails(dependencyProperty) is DependencyPropertyDetails details)
{
var bindingExpression =
new BindingExpression(
viewReference: target,
targetPropertyDetails: details,
binding: binding
);
details.SetBinding(bindingExpression);
if (Equals(binding.RelativeSource, RelativeSource.TemplatedParent))
{
_templateBindings = _templateBindings.Add(bindingExpression);
ApplyBinding(bindingExpression, TemplatedParentPropertyDetails.GetValue());
}
else
{
_bindings = _bindings.Add(bindingExpression);
if (bindingExpression.TargetPropertyDetails.Property.UniqueId == DataContextPropertyDetails.Property.UniqueId)
{
bindingExpression.DataContext = details.GetValue(DependencyPropertyValuePrecedences.Inheritance);
}
else
{
ApplyBinding(bindingExpression, DataContextPropertyDetails.GetValue());
}
}
}
}
/// <summary>
/// Resumes the <see cref="Binding"/> instances for reacting to DataContext changes
/// </summary>
internal void ResumeBindings()
{
if (_bindingsSuspended)
{
_bindingsSuspended = false;
var bindings = _bindings.Data;
for (int i = 0; i < bindings.Length; i++)
{
bindings[i].ResumeBinding();
}
ApplyDataContext(DataContextPropertyDetails.GetValue());
}
}
/// <summary> /// Gets the DataContext <see cref="Binding"/> instance, if any /// </summary> /// <returns></returns> internal BindingExpression FindDataContextBinding() => DataContextPropertyDetails.GetBinding();