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FreeMem (procedure)
Disposes of a dynamic variable of a given size.
Declaration
procedure FreeMem(var P: Pointer; Size: Word);
Target
Windows, Real, Protected
Remarks
P is a variable of any pointer type previously assigned by the GetMem procedure or assigned a meaningful value by an assignment statement.
Size is an expression specifying the size in bytes of the dynamic variable to dispose of; it must be exactly the number of bytes previously allocated to that variable by GetMem.
FreeMem destroys the variable referenced by P and returns its memory region to the heap. If P does not point to a memory region in the heap, a run-time error occurs. After a call to FreeMem, the value of P becomes undefined, and an error occurs if you subsequently reference P^.
Restrictions
Should not be used with Mark or Release