string fileName = @"c:\aaa.doc";//要检查被那个进程占用的文件Process tool = new Process();tool.StartInfo.FileName = "handle.exe";tool.StartInfo.Arguments = fileName+" /accepteula";tool.StartInfo.UseShellExecute = false;tool.StartInfo.RedirectStandardOutput = true;tool.Start();           tool.WaitForExit();string outputTool = tool.StandardOutput.ReadToEnd();string matchPattern = @"(?<=\s+pid:\s+)\b(\d+)\b(?=\s+)";foreach(Match match in Regex.Matches(outputTool, matchPattern)){    Process.GetProcessById(int.Parse(match.Value)).Kill();}