Obtains the size, in bytes, of the given memory unit. Provided only for compatibility.

DWORD HeapSize(
    HANDLE hHeap,
    DWORD dwFlags,
    LPCVOID lpMem
);

Parameters

hHeap

Ignored.

dwFlags

Ignored.

lpMem

Pointer to the memory block whose size the function will obtain.

This is a pointer returned by HeapAlloc or HeapReAlloc.

Return Values

The size, in bytes, of the allocated memory block

Success.

0xFFFFFFFF

Failure; function does not call SetLastError. For extended error information, see GetLastError.

Requirements

Note

This function operates in the real-time portion of your application.

See Also

HeapAlloc, HeapFree, HeapReAlloc, iwin32 API, iwin32 Overview