获得此文件的信息<br>function IsFileInUse(fName : string) : boolean;<br>var<br> HFileRes : HFILE;<br>begin<br> Result := false;<br> if not FileExists(fName) then<br> exit;<br> HFileRes := CreateFile(pchar(fName), GENERIC_READ or GENERIC_WRITE, <br> 0 {this is the trick!}, nil, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);<br> Result := (HFileRes = INVALID_HANDLE_VALUE);<br> if not Result then<br> CloseHandle(HFileRes);<br>end;<br>