Пример #1
0
        public void SetValue(object o)
        {
            if (ValueType.IsValueType && o == null)
            {
                throw new NullReferenceException($"Field type {ValueType} is value type, but argument is null");
            }

            if (o == null)
            {
                setMethod.Invoke(BindableValue, new object[1] {
                    null
                });
            }
            else
            {
                Type objectType = o?.GetType();

                if (!ValueType.IsAssignableFrom(objectType))
                {
                    if (typeof(Array).IsAssignableFrom(ValueType))
                    {
                        IList inputList = (IList)o;
                        Array array     = (Array)Activator.CreateInstance(ValueType, new object[1] {
                            inputList.Count
                        });

                        inputList.CopyTo(array, 0);
                        setMethod.Invoke(BindableValue, new object[1] {
                            array
                        });
                    }
                    else if (ValueType.GetInterface(nameof(IDictionary)) != null)
                    {
                        IList        inputList  = (IList)o;
                        var          dictionary = (IDictionary)Activator.CreateInstance(ValueType);
                        Type         kvpType    = typeof(KeyValuePair <,>).MakeGenericType(ValueType.GenericTypeArguments);
                        PropertyInfo kvpKey     = kvpType.GetProperty("Key");
                        PropertyInfo kvpValue   = kvpType.GetProperty("Value");
                        foreach (var kvp in inputList)
                        {
                            dictionary[kvpKey.GetValue(kvp)] = kvpValue.GetValue(kvp);
                        }
                        setMethod.Invoke(BindableValue, new object[1] {
                            dictionary
                        });
                    }
                    else if (ValueType.GetInterface(nameof(IList)) != null &&
                             o is IList)
                    {
                        var inputList = (IList)o;
                        var list      = (IList)Activator.CreateInstance(ValueType);
                        foreach (var element in inputList)
                        {
                            list.Add(element);
                        }
                        setMethod.Invoke(BindableValue, new object[1] {
                            list
                        });
                    }
                    else
                    {
                        throw new ArgumentException($"Field type {ValueType} is not assignable from argument type {o?.GetType()}");
                    }
                    return;
                }
                else
                {
                    setMethod.Invoke(BindableValue, new object[1] {
                        o
                    });
                }
            }
        }