When c# project add a reference to a c++/clr project, vs2008 seems doesn't copy the latest dll

I have c# project A, an开发者_开发技巧d c++/clr project B, they are under the same solution S. I make A reference B in vs2008 through "add reference" -> "project", however, each time after B is modified and rebuilt, A would not copy the new B's dll into its own "bin" directory. How to fix that problem? A simple method is write post-build event, but is there any direct method in vs2008 can be used to fix that?

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Select the reference in the References node and check its Copy Local property in the Properties window. Should be True. Do check the build order and ensure B is always built before A. Should be automatic but you can enforce it by right-clicking A, Project Dependencies. There is otherwise no mechanism by which the build system is aware that the assembly was built with another compiler, it's just a DLL.

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Check your output window and see if the project B is really building. If the output window says

Project not selected to build for this solution configuration,

you need to right-click the solution in Solution Explorer -> Configuration Manager -> Check Build for the project. I bet you might have changed your platform and that might have turned off the build of the project.