파일이 사용중인지 여부
function IsFileInUse(fName : string ) : boolean;
var
HFileRes : HFILE;
begin
Result := false;
if not FileExists(fName) then exit;
HFileRes := CreateFile(pchar(fName), GENERIC_READ or GENERIC_WRITE,0, nil, OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL, 0);
Result := (HFileRes = INVALID_HANDLE_VALUE);
if not Result then CloseHandle(HFileRes);
end;
사용예 :
procedure TForm1.Button1Click(Sender: TObject);
begin
if isfFileInUse('c:programsdelphi5bindelphi32.exe') then
begin
ShowMessage('File in use');
end
else
begin
ShowMessage('File not in use');
end;
end;