Neil wrote:
> Hi,
> Thanks for the below.
>
> I have a linked list, and want to have it in its own heap.
>
> I use the HeapCreate(..) to create the heap , and then use multiple
> HeapAlloc(s_hHeap,0,size); to create the space.
>
> if I have something like:
> class CSomeClass ; // a clas I want to have in
>
> typedef struct{
> int Use;
> CSomeClass m_Class;
> int Another variable;
> }LinkedStruct;
>
> HeapAlloc(s_hHeap,0,sizeof(LinkedStruct));
>
> As this just creates the space, is there anyway I can have the class within
> the structure to have its constructor called, and use it within the linked
> list.
>
> Is this possible? If so, whats the best way?
Yes, you need to use the placement new operator, like:
void * mem = get_memory_ptr();
if (mem)
{
MyObject * obj = new( mem ) MyObject();
// *obj is constructed within the memory location pointed to by mem
}
Ehsan
_______________________________________________
msvc mailing list
[email protected]
See http://beginthread.com/mailman/listinfo/msvc_beginthread.com for
subscription changes, and list archive.
