Error CS0012 in SlimDX Basketball Game Development

Question

Error CS0012 in SlimDX Basketball Game Development

Garrett Tiller 6

I'm developing a basketball game using SlimDX and encountering an error related to camera initialization.

private GameplayScreen()
{
    _camera = new LookAtCamera
    {
        Position = new Vector3(0, 2, -15)
    };
}

The following error occurs:

Error CS0012: The type 'ValueType' is defined in an assembly that is not referenced. You must add a reference to assembly 'mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.

What could be causing this issue, and how can it be resolved?

Tianyu Sun-MSFT 34,431 Reputation points Microsoft External Staff

2024-10-30T09:40:12.1833333+00:00
Hello @Garrett Tiller ,

I think the error message is very clear, the type ValueType is defined in an assembly that is not referenced.

You might need to check following:

Make sure that the assembly which includes this type has been referenced correctly in your project. If possible, try to check the project file(.xxproj file, in your project folder).

It’s possible that that assembly has been referenced correctly but VS doesn’t detect it. Consider that the path is not correct, the assembly doesn’t exist in that directory(maybe removed by accident), the assembly file is corrupted, VS doesn’t have enough permission to access that assembly/folder...

Sometimes, maybe installing one certain NuGet package works.

Your answer

Tianyu Sun-MSFT 34,431 Reputation points Microsoft External Staff

2024-10-30T09:40:12.1833333+00:00

Hello @Garrett Tiller ,

I think the error message is very clear, the type ValueType is defined in an assembly that is not referenced.

You might need to check following:

Make sure that the assembly which includes this type has been referenced correctly in your project. If possible, try to check the project file(.xxproj file, in your project folder).

It’s possible that that assembly has been referenced correctly but VS doesn’t detect it. Consider that the path is not correct, the assembly doesn’t exist in that directory(maybe removed by accident), the assembly file is corrupted, VS doesn’t have enough permission to access that assembly/folder...

Sometimes, maybe installing one certain NuGet package works.

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Error CS0012 in SlimDX Basketball Game Development

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