C# 在项目中引用x86 x64的非托管代码的方法

#if x86
  public const string DLL_FILE_NAME = "SvkiqauhKvdhrureh32.dll";
#else
  public const string DLL_FILE_NAME = "SvkiqauhKvdhrureh64.dll";
#endif
  [DllImport(DLL_FILE_NAME, EntryPoint = "HfwzsnHzhpbbzbn", CallingConvention = CallingConvention.Cdecl)]
  private static extern int HfwzsnHzhpbbzbn(int var1, int var2);

[DllImport("SvkiqauhKvdhrureh32.dll", EntryPoint = "HfwzsnHzhpbbzbn",
   CallingConvention = CallingConvention.Cdecl)]
  private static extern int HfwzsnHzhpbbzbn32(int txcuiwKjvwu, int hhmzfadnHexkmr);
  [DllImport("SvkiqauhKvdhrureh64.dll", EntryPoint = "HfwzsnHzhpbbzbn",
   CallingConvention = CallingConvention.Cdecl)]
  private static extern int HfwzsnHzhpbbzbn64(int txcuiwKjvwu, int hhmzfadnHexkmr);

public int HfwzsnHzhpbbzbn(int txcuiwKjvwu, int hhmzfadnHexkmr)
    {
      if (Environment.Is64BitProcess)
      {
        return HfwzsnHzhpbbzbn64(txcuiwKjvwu, hhmzfadnHexkmr);
      }

      return HfwzsnHzhpbbzbn32(txcuiwKjvwu, hhmzfadnHexkmr);
    }

public int HfwzsnHzhpbbzbn(int txcuiwKjvwu, int hhmzfadnHexkmr)
  {
   if (Environment.Is64BitProcess)
   {
    return HfwzsnHzhpbbzbn64(txcuiwKjvwu, hhmzfadnHexkmr);
   }
   return HfwzsnHzhpbbzbn32(txcuiwKjvwu, hhmzfadnHexkmr);
  }

[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
 private static extern bool SetDllDirectory(string path);

var path = Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);
   path = Path.Combine(path, Environment.Is64BitProcess ? "x64" : "x86");
   SetDllDirectory(path);