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

Dim instance As Boolean

[SerializableAttribute] 
[ComVisibleAttribute(true)] 
public struct Boolean : IComparable, IConvertible, IComparable<bool>, 
    IEquatable<bool>

[SerializableAttribute] 
[ComVisibleAttribute(true)] 
public value class Boolean : IComparable, IConvertible, IComparable<bool>, 
    IEquatable<bool>

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

JScript 支持使用结构，但不支持进行新的声明。