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 SETMEM(numeric-expression&)
 
 Usage Notes
   ■ The first call to SETMEM to increase the far heap has no effect because
     Visual Basic allocates as much memory as possible to the far heap when
     a program starts.
 
   ■ If SETMEM cannot change the far heap by the requested number of bytes,
     it reallocates as many bytes as possible.
 
   ■ SETMEM can be used in mixed-language programming to decrease the far
     heap space so procedures in other languages can dynamically allocate
     far memory. See: ◄Mixed-Language Programming Commands►