需要 _In_ 检测，将 WinMain 修改如下：
int WINAPI WinMain(
_In_ HINSTANCE hInstance, // handle to current instance
_In_opt_ HINSTANCE hPrevInstance, // handle to previous instance
_In_ LPSTR lpCmdLine, // command line
_In_ int nCmdShow // show state
)
各参数的含义如下
_In_：输入参数_Out_：输出参数_In_opt_：可选的输入参数