我可以在Visual Basic中使用C ++函数吗？

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我是一个新的编程，但我已经做了一个很好的库用于计算数学问题，如二次方程和许多其他。 现在我遇到了一个朋友，他在VB中编程了一些，我们正在考虑是否可以将我的函数从C ++导入他的代码，所以他们可以在需要时调用它们，所以我们可以做一个计算器？ 我们如何做？

I'm kinda new to programming, but I have made quite a good library for calculating Math problems like Quadratic Equations and many other. Now I met a friend, and hes programming a little in VB, and we were thinking if it is possible to import my functions from C++ to his code, so he can call them, when they are needed, so we can make a calculator? How can we do that?

• Janman

编辑：我的朋友正在使用VB 编辑：我的库以自由的函数组织。

My friend is using VB My library is organized in free functions.

推荐答案

要使用VB中的C ++代码，您有以下可能性：

to use C++ code from VB you have the following possibilities:

• 并从VB调用它们

• Create DLL where you export functions; and invoke them from VB like this

Declare Sub test Lib "c:\somepath\test.dll" (ByVal a As String, ByVal b As String, c As Long)

MFC或任何其他库，并在VB项目中引用dll，这个解决方案是最好的你可以使用C ++ Com组件作为VB代码中的类。

Create Com component with ATL or MFC or any other library , and reference the dll in VB project, and this solution is the best you can use C++ Com components as classes in your VB code.