KB>
  > The problem occurs when I delete in my main source file a
  > class object whose functions are defined in the .DLL.
KB>

  Unless you link with the DLL form of the C runtime library, each EXE
  and DLL has its own C runtime heap.  If you allocate an instance of a
  class in a DLL, it will come from the DLL's heap.  If you then delete
  it in the EXE, it will be returned to the EXE's heap.  This crosslinks
  two separate C runtime heaps and can result in heap corruption.

  In other words, ensure that all heap-based instances of your classes
  are deleted by the same EXE or DLL that allocated them.

  > JdeBP <
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