FreeMem (procedure)

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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

See Also

Sample Code

Тэги: FreeMem
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