struct 中有指针，记得要写析构函数

struct ImageInfo{ BITMAPINFO header; void* image;

 ~ImageInfo() {  if(image!=NULL)  {   delete image;  } }};

要不会有内在泄漏！

转载于:https://www.cnblogs.com/nanshouyong326/archive/2009/08/14/1546188.html