/// <summary>
/// Allows ancestor VMs to define property validators for this VM.
/// </summary>
public void EnableParentValidation <TValue>(Func <TDescriptor, IVMPropertyDescriptor <TValue> > propertySelector)
{
Inspiring.Mvvm.Check.NotNull(propertySelector, nameof(propertySelector));
var op = OperationProvider.GetOperation();
var property = propertySelector((TDescriptor)op.Descriptor);
op.EnablePropertyValidationSourceBehavior(property);
op.EnableViewModelValidationSourceBehavior();
}
/// <summary>
/// Allows ancestor VMs to define view model-level validators for this VM.
/// </summary>
public void EnableParentViewModelValidation()
{
var op = OperationProvider.GetOperation();
op.EnableViewModelValidationSourceBehavior();
}