<SerializableAttribute> _
<ComVisibleAttribute(True)> _
Public Structure Int32
    Implements IComparable, IFormattable, IConvertible, IComparable(Of Integer), _
    IEquatable(Of Integer)

Dim instance As Integer

[SerializableAttribute] 
[ComVisibleAttribute(true)] 
public struct Int32 : IComparable, IFormattable, IConvertible, 
    IComparable<int>, IEquatable<int>

[SerializableAttribute] 
[ComVisibleAttribute(true)] 
public value class Int32 : IComparable, IFormattable, IConvertible, 
    IComparable<int>, IEquatable<int>

/** @attribute SerializableAttribute() */ 
/** @attribute ComVisibleAttribute(true) */ 
public final class Int32 extends ValueType implements IComparable, IFormattable, 
    IConvertible, IComparable<int>, IEquatable<int>

JScript 支持使用结构，但不支持进行新的声明。