Member Name	illustrate
Add	Addition operations, such as a + b, do not perform overflow checks and are targeted at numerical operands.
AddAssign	Addition and compound assignment operations, such as (a += b), do not perform overflow checks and are targeted at numerical operands.
AddAssignChecked	Addition and compound assignment operations, such as (a += b), perform overflow checks and target numerical operands.
AddChecked	Addition operations, such as (a + b), perform overflow checks, for numerical operands.
And	Bitwise or logical AND operations, such as (a & b) in C# and (a And b) in Visual Basic.
AndAlso	In condition AND operation that calculates the second operand is true only if the calculation result of the first operand is. It corresponds to (a && b) in C# and (a AndAlso b) in Visual Basic.
AndAssign	Bitwise or logical AND compound assignment operation, such as (a &= b) in C#.
ArrayIndex	Indexing operations are in one-dimensional arrays, such as array[index] in C# or array(index) in Visual Basic.
ArrayLength	Gets the length of a one-dimensional array, such as the operation.
Assign	Assignment operation, such as (a = b).
Block	Block of expression.
Call	A method call, such as in the () expression.
Coalesce	A means empty merge operation, such as node (a ?? b) in C# or If(a, b) in Visual Basic.
Conditional	Conditional operations, such as a > b ? a : b in C# or If(a > b, a, b) in Visual Basic.
Constant	The value of a constant.
Convert	Cases or conversion operations, such as (SampleType)obj C# or CType(obj, SampleType) in Visual Basic. For conversion of numeric values, if the converted value is too large for the target type, no exception will be raised.
ConvertChecked	Cases or conversion operations, such as (SampleType)obj C# or CType(obj, SampleType) in Visual Basic. For conversion of numeric values, if the converted value does not match the target type, an exception is thrown.
DebugInfo	Debugging information.
Decrement	Unary decreasing operations, such as (a - 1) C# and Visual Basic. The object a should not be modified in-place.
Default	default value.
Divide	Division operations, such as (a/b), for numerical operands.
DivideAssign	The composite assignment operation of division, such as (a /= b), is for numerical operands.
Dynamic	Dynamic operation.
Equal	A representation of equal comparisons, such as nodes (a == b) in C# or (a = b) in Visual Basic.
ExclusiveOr	Bitwise or logical XOR operations, such as (a ^ b) in C# or (a Xor b) in Visual Basic.
ExclusiveOrAssign	Bitwise or logical XOR compound assignment operation, such as (a ^= b) in C#.
Extension	Extended expression.
Goto	A "go to" expression such as goto Label in C# or GoTo Label in Visual Basic.
GreaterThan	"Greater than" comparison, such as (a > b).
GreaterThanOrEqual	"Greater than or equal to" comparison, such as (a >= b).
Increment	Unary incremental operations, such as (a + 1) in C# and Visual Basic. The object a should not be modified in-place.
Index	Indexing operations or accessing properties that do not take parameters.
Invoke	The delegate or lambda expression of the operation call, such as ().
IsFalse	A false condition value.
IsTrue	A true conditional value.
Label	Label.
Lambda	Lambda expressions, such as a => a + a in C# or Function(a) a + a in Visual Basic.
LeftShift	bitwise left shift operation, such as (a << b).
LeftShiftAssign	Bit-left-shift compound assignment operation, such as (a <<= b).
LessThan	"less than" comparison, such as (a < b).
LessThanOrEqual	"less than or equal to" comparison, such as (a <= b).
ListInit	Create a new operationIEnumerableObject and initialize it from the element in the list, such as new List<SampleType>(){ a, b, c } in C# or Dim sampleList = { a, b, c } in Visual Basic.
Loop	A loop, such as for or while.
MemberAccess	From a field or property, such as a read operation.
MemberInit	Operation, create a new object and initialize one or more members, such as new Point { X = 1, Y = 2 } in C# or New Point With {.X = 1, .Y = 2} in Visual Basic.
Modulo	Arithmetic remainder operation, such as (a % b) in C# or (a Mod b) in Visual Basic.
ModuloAssign	Arithmetic remainder compound assignment operation, such as (a %= b) in C#.
Multiply	Multiplication operations, such as (a * b), do not perform overflow checks, and are targeted at numerical operands.
MultiplyAssign	Multiplication compound assignment operations, such as (a *= b), do not perform overflow checks and are targeted at numerical operands.
MultiplyAssignChecked	Multiplication compound assignment operations, such as (a *= b),,, perform overflow checks and target numerical operands.
MultiplyChecked	Multiplication operations, such as (a * b),, perform overflow checks, for numerical operands.
Negate	Arithmetic inverse operation, such as (-a). The object a should not be modified in-place.
NegateChecked	Arithmetic inverse operations, such as (-a), ,, perform overflow checks. The object a should not be modified in-place.
New	Call the constructor to create a new object, such as the operation new SampleType().
NewArrayBounds	Create a new array where the lower limit of each dimension is specified, such as the operation new SampleType[dim1, dim2] in C# or New SampleType(dim1, dim2) in Visual Basic.
NewArrayInit	Operation, create a new one-dimensional array and initialize it from the list elements, such as new SampleType[]{a, b, c} in C# or New SampleType(){a, b, c} in Visual Basic.
Not	Find complement by bit or logical inverse operation. In C#, it is equivalent to (~a) integer and (!a) boolean values. In Visual Basic, it is equivalent to (Not a). The object a should not be modified in-place.
NotEqual	Unequal comparisons, such as (a != b) in C# or (a <> b) in Visual Basic.
OnesComplement	A binary inverse operation, such as (~a) in C#.
Or	Bitwise or logical OR operations, such as (a | b) in C# or (a Or b) in Visual Basic.
OrAssign	Bitwise or logical OR compound assignment operation, such as (a |= b) in C#.
OrElse	Short-circuit condition OR operation, such as (a || b) in C# or (a OrElse b) in Visual Basic.
Parameter	A reference to the context of an expression of an argument or variable. For more information, seeParameterExpression。
PostDecrementAssign	The unary suffix is ​​decreasing, such as (a--). The object a should be modified on the spot.
PostIncrementAssign	The unary suffix is ​​incremented, such as (a++). The object a should be modified on the spot.
Power	Such as mathematical operation that triggers numbers to exponentiate (a ^ b) in Visual Basic.
PowerAssign	For example, compound assignment operation that triggers the exponent operation of numbers (a ^= b) is in Visual Basic.
PreDecrementAssign	The unary prefix is ​​decreasing, such as (--a). The object a should be modified on the spot.
PreIncrementAssign	The unary prefix is ​​incremented, such as (++a). The object a should be modified on the spot.
Quote	Expressions with constant values ​​of typeExpression. A Quote node can contain references to parameters defined in the context of the expression it represents.
RightShift	Bitwise right-shift operation, such as (a >> b).
RightShiftAssign	Bitwise right-shift compound assignment operation, such as (a >>= b).
RuntimeVariables	List of runtime variables. For more information, seeRuntimeVariablesExpression。
Subtract	Subtraction operations, such as (a - b), do not perform overflow checks, and are targeted at numerical operands.
SubtractAssign	Subtraction compound assignment operations, such as (a -= b), do not perform overflow checks, and are targeted at numerical operands.
SubtractAssignChecked	Subtraction compound assignment operations, such as (a -= b),,, perform overflow checks and target numerical operands.
SubtractChecked	Arithmetic subtraction operations, such as (a - b),,, perform overflow checks, for numerical operands.
Switch	A switch operation, such as switch in C# or Select Case in Visual Basic.
Throw	Throw an exception, such as throw new Exception() operation.
Try	A try-catch expression.
TypeAs	An explicit reference or boxing conversion is in null If the conversion fails, such as (obj as SampleType) in C# or TryCast(obj, SampleType) in Visual Basic.
TypeEqual	Exact type test.
TypeIs	A type test, such as obj is SampleType in C# or TypeOf obj is SampleType in Visual Basic.
UnaryPlus	One-cent positive operation, such as (+a). The result of a predefined unary positive operation is the value of the operand, but user-defined implementations may have unusual results.
Unbox	Unboxing value types, as described in unbox and MSIL.