C ++的VARIANT数据类型到C＃ [英] VARIANT datatype of c++ into c#

问题描述

什么是C＃相当于C ++的VARIANT数据类型？

What is equivalent of VARIANT datatype of C++ in C#?

我在C ++代码，它使用VARIANT数据类型，我怎么可以转换的代码在C＃？

I have code in C++ which uses VARIANT datatype, how can i convert that code in C# ?

推荐答案

这是一个棘手的问题。

This is a tricky question.

从C＃4，你可以使用的动态的指示，该类型是在运行时称。

From c# 4, you can use dynamic to indicate that the type is known at run-time.

这是我个人的理解，不过，C ++需要在编译时已知的类型。因此，你可能会考虑在C＃中使用对象，但对象是存在的类型。

By my personal understanding, however, c++ requires the type known at compile time. Thus you might consider to use object, but object in c# is existent type.

对于多类型，单值变种（AKA多态性）的概念，你不会需要找到在C＃中相应类型，只是定义的类和接口，可以随时引用对象，因为它的接口，它的类实现。

For the concept of multi-type, single value(AKA polymorphism) of VARIANT, you would not need to find a corresponding type in c#, just define your classes and interfaces, you can always reference an object as it's interface which the class implements.

如果您要移植的代码，找出语法，你可以在LHS和类型的考虑只是使用在编译时是已知的，然后使用 VAR 。

If you are porting the code, and to figure out a syntax that you can simply use in LHS and for the considering of the type is known at compile time, then use var.

这篇关于C ++的VARIANT数据类型到C＃的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！