我有一个 C++ 函数,我想从 C# 访问它。问题是我不断收到 PInvokeStackImbalance 异常,但我不知道为什么。当检查异常被关闭时,一切都运行良好并且符合预期。
我的 C++ 函数的签名是:
extern "C" double solveQP(
int32_t n, int32_t mE, int32_t mI,
double *p_G, double *p_g0,
double *p_CE, double *p_ce0,
double *p_CI, double *p_ci0,
double *p_x)
我用来访问它的是:
[DllImport("libQuadProg.dll")]
[return: MarshalAs(UnmanagedType.R8)]
private static extern double solveQP(
[In, MarshalAs(UnmanagedType.I4)] int n,
[In, MarshalAs(UnmanagedType.I4)] int mE,
[In, MarshalAs(UnmanagedType.I4)] int mI,
[In, MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.R8)] double[] p_G,
[In, MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.R8)] double[] p_g0,
[In, MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.R8)] double[] p_CE,
[In, MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.R8)] double[] p_ce0,
[In, MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.R8)] double[] p_CI,
[In, MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.R8)] double[] p_ci0,
[In, MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.R8)] double[] p_x);
我也尝试过仅使用 UnmanagedType.LPArray 选项,但什么也没有。我认为有一个有关 PInvoke 的细节我不明白,如果有人指出,我将不胜感激。