贴一个函数给你试一下: function THSFile.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;
function THSFile.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;