Catel.MVVM.ViewModelBase.ValidateViewModelToModelMappings C# (CSharp) Method

        private void ValidateViewModelToModelMappings()
        {
            foreach (var viewModelToModelMapping in _viewModelToModelMap)
            {
                var mapping = viewModelToModelMapping.Value;
                if (!IsModelRegistered(mapping.ModelProperty))
                {
                    throw Log.ErrorAndCreateException(msg => new ModelNotRegisteredException(mapping.ModelProperty, mapping.ViewModelProperty),
                        "There is no model '{0}' registered with the model attribute, so the ViewModelToModel attribute on property '{1}' is invalid",
                        mapping.ModelProperty, mapping.ViewModelProperty);
                }

                var viewModelPropertyType = GetPropertyData(mapping.ViewModelProperty).Type;
                var modelPropertyType = GetPropertyData(mapping.ModelProperty).Type;
                var modelPropertyPropertyTypes = new List<Type>(mapping.ValueProperties.Length);

                foreach (var valueProperty in mapping.ValueProperties)
                {
                    var modelPropertyPropertyInfo = modelPropertyType.GetPropertyEx(valueProperty);
                    if (modelPropertyPropertyInfo == null)
                    {
                        Log.Warning("Mapped viewmodel property '{0}' to model property '{1}' is invalid because property '{1}' is not found on the model '{2}'.\n\n" +
                                "If the property is defined in a sub-interface, reflection does not return it as a valid property. If this is the case, you can safely ignore this warning",
                            mapping.ViewModelProperty, valueProperty, mapping.ModelProperty);
                    }
                    else
                    {
                        modelPropertyPropertyTypes.Add(modelPropertyPropertyInfo.PropertyType);
                    }
                }

                if (!mapping.Converter.CanConvert(modelPropertyPropertyTypes.ToArray(), viewModelPropertyType, GetType()))
                {
                    Log.Warning("Property '{0}' mapped on model properties '{1}' cannot be converted via given converter '{2}'",
                        mapping.ViewModelProperty, string.Join(", ", mapping.ValueProperties), mapping.ConverterType);
                }
            }
        }