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4/8/2010

This method determines whether this allocator was used to allocate the specified block of memory.

Syntax 

int DidAlloc(
  void* 
pv 
);

Parameters

pv

[in] Pointer to the memory block; can be a NULL pointer, in which case, -1 is returned.

Return Value

The following table shows the return values for this method.

Value Description

1

The memory block was allocated by this IMallocinstance.

0

The memory block was not allocated by this IMallocinstance.

-1

IMalloc::DidAllocis unable to determine whether or not it allocated the memory block.

Remarks

Calling IMalloc::DidAllocis useful if an application is using multiple allocations and needs to know whether a previously allocated block of memory was allocated by a particular allocation.

To determine whether the platform supports this interface, see Determining Supported COM APIs.

Requirements

Header objidl.h, objidl.idl
Library ole32.lib
Windows Embedded CE Windows CE 3.0 and later
Windows Mobile Windows Mobile Version 5.0 and later

See Also