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TypeOf.Is

TypeOf.Is

TypeOf.Is

TypeOf.Is

1

typeof is often useful in conjunction with the statements -within-expressions feature.

typeof 在协助内嵌表达式的声明时非常有用。

2

You can test whether an object is of a particular type with the TypeOf. Is expression.

可以用 TypeOf.Is 表达式测试对象是否为特定类型。

3

TypeOf is always used with the Is keyword to construct a TypeOf . Is expression .

TypeOf 总是与 Is 关键字一起用于构造 TypeOf.Is 表达式。

4

The TypeOf. Is expression evaluates to True if the run-time type of the operand is derived from or implements the specified type .

如果操作数的运行时类型是从指定类型派生的或者实现指定类型，则 TypeOf.Is 表达式计算为 True 。

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