public static int Main(string[] args)
 {
     try
     {
         float width  = 1.0f;
         float height = 2.0f;
         CdeclMemberFunctionNative.C *instance = CdeclMemberFunctionNative.CreateInstanceOfC(width, height);
         Test8ByteHFA(instance);
         Test4ByteHFA(instance);
         Test4ByteNonHFA(instance);
         TestEnum(instance);
         TestCLong(instance);
         Test8ByteHFAUnmanagedCallersOnly();
         Test4ByteHFAUnmanagedCallersOnly();
         Test4ByteNonHFAUnmanagedCallersOnly();
         TestEnumUnmanagedCallersOnly();
         TestCLongUnmanagedCallersOnly();
     }
     catch (System.Exception ex)
     {
         Console.WriteLine(ex);
         return(101);
     }
     return(100);
 }
    private static void Test8ByteHFA(CdeclMemberFunctionNative.C *instance)
    {
        CdeclMemberFunctionNative.SizeF result = instance->vtable->getSize(instance, 1234);

        Assert.AreEqual(instance->width, result.width);
        Assert.AreEqual(instance->height, result.height);
    }
 private static CdeclMemberFunctionNative.Width GetWidth(CdeclMemberFunctionNative.C *c)
 {
     return(new CdeclMemberFunctionNative.Width
     {
         width = c->width
     });
 }
 private static CdeclMemberFunctionNative.IntWrapper GetHeightAsInt(CdeclMemberFunctionNative.C *c)
 {
     return(new CdeclMemberFunctionNative.IntWrapper
     {
         i = (int)c->height
     });
 }
 private static CdeclMemberFunctionNative.SizeF GetSize(CdeclMemberFunctionNative.C *c, int unused)
 {
     return(new CdeclMemberFunctionNative.SizeF
     {
         width = c->width,
         height = c->height
     });
 }
 private static CLong GetWidthAsLong(CdeclMemberFunctionNative.C *c)
 {
     return(new CLong((nint)c->width));
 }
 private static CdeclMemberFunctionNative.E GetE(CdeclMemberFunctionNative.C *c)
 {
     return(c->dummy);
 }
    private static void TestCLong(CdeclMemberFunctionNative.C *instance)
    {
        CLong result = instance->vtable->getWidthAsLong(instance);

        Assert.AreEqual((nint)instance->width, result.Value);
    }
    private static void TestEnum(CdeclMemberFunctionNative.C *instance)
    {
        CdeclMemberFunctionNative.E result = instance->vtable->getE(instance);

        Assert.AreEqual(instance->dummy, result);
    }
    private static void Test4ByteNonHFA(CdeclMemberFunctionNative.C *instance)
    {
        CdeclMemberFunctionNative.IntWrapper result = instance->vtable->getHeightAsInt(instance);

        Assert.AreEqual((int)instance->height, result.i);
    }
    private static void Test4ByteHFA(CdeclMemberFunctionNative.C *instance)
    {
        CdeclMemberFunctionNative.Width result = instance->vtable->getWidth(instance);

        Assert.AreEqual(instance->width, result.width);
    }