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...	...	@@ -14,7 +14,7 @@
14	14	How do I set a field value in an C# Expression tree?
15	15	[[https:~~/~~/stackoverflow.com/questions/321650/how-do-i-set-a-field-value-in-an-c-sharp-expression-tree>>https://stackoverflow.com/questions/321650/how-do-i-set-a-field-value-in-an-c-sharp-expression-tree]]
16	16	)))
17		-|(% style="width:394px" %)Вызов конструктора|(% style="width:1090px" %){{code language="c#"}}var constructorInfo = type.GetConstructors().First(e => e.Attributes.HasFlag(MethodAttributes.Public));
	17	+|(% style="width:394px" %)Типизированый вызов конструктора|(% style="width:1090px" %){{code language="c#"}}var constructorInfo = type.GetConstructors().First(e => e.Attributes.HasFlag(MethodAttributes.Public));
18	18	var constructorParameter1 = Expression.Parameter(typeof(bool));
19	19	var constructorExp = Expression.New(constructorInfo, constructorParameter1);
20	20
...	...	@@ -28,6 +28,109 @@
28	28	How do you call a constructor via an expression tree on an existing object?
29	29	[[https:~~/~~/stackoverflow.com/questions/16363838/how-do-you-call-a-constructor-via-an-expression-tree-on-an-existing-object>>https://stackoverflow.com/questions/16363838/how-do-you-call-a-constructor-via-an-expression-tree-on-an-existing-object]]
30	30	)))
	31	+|(% style="width:394px" %)Нетипизированый вызов|(% style="width:1090px" %)(((
	32	+|{{code language="c#"}}public delegate object ConstructorDelegate(object[]? Args);
	33	+
	34	+public static ConstructorDelegate GetConstructorWithArgsDelegate(
	35	+ ConstructorInfo constructorInfo)
	36	+{
	37	+ ParameterExpression constructorParameters = Expression.Parameter(typeof(object?[]));
	38	+
	39	+ Expression[] parameterExpressions;
	40	+ {
	41	+ ParameterInfo[] parametersInfos = constructorInfo.GetParameters();
	42	+ parameterExpressions = new Expression[parametersInfos.Length];
	43	+
	44	+ for (int i = 0; i < parametersInfos.Length; i++)
	45	+ {
	46	+ ConstantExpression ithIndex = Expression.Constant(i);
	47	+ BinaryExpression ithParameter = Expression.ArrayIndex(
	48	+ constructorParameters,
	49	+ ithIndex);
	50	+ UnaryExpression unboxedIthParameter = Expression.Convert(
	51	+ ithParameter,
	52	+ parametersInfos[i].ParameterType
	53	+ );
	54	+ parameterExpressions[i] = unboxedIthParameter;
	55	+ }
	56	+ }
	57	+
	58	+ NewExpression constructorCallExp = Expression.New(
	59	+ constructorInfo,
	60	+ parameterExpressions);
	61	+
	62	+ var convertResultExp = Expression.Convert(
	63	+ constructorCallExp,
	64	+ typeof(object)
	65	+ );
	66	+
	67	+ var constructorHandler = Expression
	68	+ .Lambda<ConstructorDelegate>(
	69	+ convertResultExp,
	70	+ constructorParameters
	71	+ )
	72	+ .Compile();
	73	+
	74	+ return constructorHandler;
	75	+}{{/code}}|{{code language="c#"}}object Func<object[]>{{/code}}(((
	76	+C# Expression tree: object array to Expression.New() parameters
	77	+[[https:~~/~~/stackoverflow.com/questions/67968927/c-sharp-expression-tree-object-array-to-expression-new-parameters>>https://stackoverflow.com/questions/67968927/c-sharp-expression-tree-object-array-to-expression-new-parameters]]
	78	+)))
	79	+|{{code language="c#"}}public delegate object? MethodDelegate(object instance, object[]? Args);
	80	+
	81	+public static MethodDelegate GetMethodWithArgsDelegate(
	82	+ MethodInfo methodInfo,
	83	+ Type instanceType)
	84	+{
	85	+ ParameterExpression instanceParameter = Expression.Parameter(typeof(object));
	86	+ ParameterExpression methodParameters = Expression.Parameter(typeof(object?[]));
	87	+
	88	+ Expression instanceExp;
	89	+ Expression[] parameterExpressions;
	90	+ {
	91	+ instanceExp = Expression.Convert(instanceParameter, instanceType);
	92	+
	93	+ ParameterInfo[] parametersInfos = methodInfo.GetParameters();
	94	+ parameterExpressions = new Expression[parametersInfos.Length];
	95	+
	96	+ for (int i = 0; i < parametersInfos.Length; i++)
	97	+ {
	98	+ ConstantExpression ithIndex = Expression.Constant(i);
	99	+ BinaryExpression ithParameter = Expression.ArrayIndex(
	100	+ methodParameters,
	101	+ ithIndex);
	102	+ UnaryExpression unboxedIthParameter = Expression.Convert(
	103	+ ithParameter,
	104	+ parametersInfos[i].ParameterType
	105	+ );
	106	+ parameterExpressions[i] = unboxedIthParameter;
	107	+ }
	108	+ }
	109	+
	110	+ var callExpression = Expression.Call(
	111	+ instanceExp,
	112	+ methodInfo,
	113	+ parameterExpressions
	114	+ );
	115	+
	116	+ var convertResultExp = Expression.Convert(
	117	+ callExpression,
	118	+ typeof(object)
	119	+ );
	120	+
	121	+ var callHandler = Expression
	122	+ .Lambda<MethodDelegate>(
	123	+ convertResultExp,
	124	+ instanceParameter,
	125	+ methodParameters
	126	+ )
	127	+ .Compile();
	128	+
	129	+ return callHandler;
	130	+}{{/code}}|{{code language="c#"}}object? Func<object, object[]>{{/code}}
	131	+
	132	+
	133	+)))
31	31	|(% style="width:394px" %)[[Generic enum to int>>doc:.Generic enum to int.WebHome]]|(% style="width:1090px" %)
32	32
33	33	==== ====