如何解决从流程重定向时，为什么会丢失输出？
| 我正在使用Process类调用控制台应用程序。我将输出重定向到日志文件，但是当我不重定向输出时，控制台窗口中的消息多于我时不在日志文件中的消息。有什么想法吗？ProcessStartInfo psi = new ProcessStartInfo();
string filename = @\"ProgrammingMaster_LocalPowertrain.exe\";
psi.FileName = filename;
string arguments = String.Format(\"{0} {1} false\",InstanceId.ToString(),ManifestFolderPath);
psi.Arguments = arguments;
LogMessage(msgType.Warning,filename + \" - \" + arguments);
psi.UseShellExecute = false;
psi.CreateNoWindow = true;
psi.RedirectStandardError = true;
psi.RedirectStandardOutput = true;
FBlockProcess = new Process();
FBlockProcess.StartInfo = psi;
FBlockProcess.OutputDataReceived += new DataReceivedEventHandler(FBlockProcess_OutputDataReceived);
FBlockProcess.ErrorDataReceived += new DataReceivedEventHandler(FBlockProcess_ErrorDataReceived);
FBlockProcess.Start();
FBlockProcess.BeginOutputReadLine();
FBlockProcess.BeginErrorReadLine();
解决方法
试试这个例子：
public static void Main()
{
Process p = new Process();
p.StartInfo.FileName = \"cmd.exe\";
p.StartInfo.Arguments = \"/c dir *.cs\";
p.StartInfo.UseShellExecute = false;
p.StartInfo.RedirectStandardOutput = true;
p.Start();
string output = p.StandardOutput.ReadToEnd();
Console.WriteLine(\"Output:\");
Console.WriteLine(output);
}
process.Start();
var stdOutput = process.StandardOutput;
StringBuilder fullMessage = new StringBuilder();
while (true)
{
var character = (char)stdOutput.Read();
fullMessage.Append(character);
//Print Out All Characters
Console.Write(character);
if (fullMessage.ToString().EndsWith(\"Enter Password: \"))
{
//Submit Password To Application
using(StreamWriter writer = process.StandardInput){
writer.Write(\"somepassword\");
writer.Flush();
}
break;
}
}
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