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char* WaveData;
WaveData=0;
WaveData = new char[buffer];
if(WaveData)delete[] WaveData;
delete[] WaveData;

---

var
  WaveData: PChar;
begin
  WaveData := nil;
  GetMem(WaveData, Buffer);
  if WaveData <> nil then FreeMem(WaveData);
end;

---

»òÕߣº
var
  WaveData: array of char;
begin
  SetLenteh(WaveData, Buffer);
  //Ò»°ãÇé¿öÏ£¬²»ÐèÒªÏÂÃæµÄÓï¾ä£¬Delphi»á×Ô¶¯¹ÜÀí
  if Length(WaveData) <> 0 then
    SetLenteh(WaveData, 0);
end;

---

if(WaveData)delete[] WaveData;
delete[] WaveData;

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