返回信息流C#小白，C#界面程序出现了以下问题事件 只能出现在+=或-=的左边
网上也查了，改了下，但是不成功。请问出错的红色部分该如何修改？
谢谢
using System;
using System.ComponentModel;
using System.Diagnostics;
using System.IO;
using System.Runtime.CompilerServices;
using System.Windows.Forms;
namespace iPerfGui
{
public class iperf
{
public delegate void OnOutputChanged(string output);
public delegate void OnProcessStatusChanged();
private readonly BackgroundWorker bw;
private Process process;
public event iperf.OnProcessStatusChanged ProcessStoped
{
[MethodImpl(MethodImplOptions.Synchronized)]
add
{
ProcessStoped += value;
}
[MethodImpl(MethodImplOptions.Synchronized)]
remove
{
ProcessStoped -= value;
}
}
public event iperf.OnProcessStatusChanged ProcessStarted
{
[MethodImpl(MethodImplOptions.Synchronized)]
add
{
ProcessStarted += value;
}
[MethodImpl(MethodImplOptions.Synchronized)]
remove
{
ProcessStarted -= value;
}
}
public event iperf.OnOutputChanged OutputChanged
{
[MethodImpl(MethodImplOptions.Synchronized)]
add
{
OutputChanged += value;
}
[MethodImpl(MethodImplOptions.Synchronized)]
remove
{
OutputChanged -= value;
}
}
public iperf()
{
this.bw = new BackgroundWorker
{
WorkerSupportsCancellation = true,
WorkerReportsProgress = true
};
}
private void bw_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
this.bw.ProgressChanged -= new ProgressChangedEventHandler(this.bw_ProgressChanged);
this.bw.RunWorkerCompleted -= new RunWorkerCompletedEventHandler(this.bw_RunWorkerCompleted);
this.bw.DoWork -= new DoWorkEventHandler(this.bw_DoWork);
this.bw.Dispose();
if (this.ProcessStoped != null)
{
this.ProcessStoped();
}
}
private void bw_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
if (e.UserState != null)
{
this.OutputChanged((string)e.UserState);
}
}
public void Start(string arg)
{
if (!File.Exists(Application.StartupPath + "\\iperf.exe"))
{
MessageBox.Show("iperf.exe not exist.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Hand);
return;
}
if (this.bw != null && !this.bw.IsBusy)
{
this.bw.DoWork += new DoWorkEventHandler(this.bw_DoWork);
this.bw.RunWorkerCompleted += new RunWorkerCompletedEventHandler(this.bw_RunWorkerCompleted);
this.bw.ProgressChanged += new ProgressChangedEventHandler(this.bw_ProgressChanged);
this.bw.RunWorkerAsync(arg);
if (this.ProcessStarted != null)
{
this.ProcessStarted();
}
}
}
public void Stop()
{
if (this.process == null)
{
return;
}
if (this.process.HasExited)
{
return;
}
this.process.Kill();
}
private void bw_DoWork(object sender, DoWorkEventArgs e)
{
try
{
this.process = new Process
{
EnableRaisingEvents = true,
StartInfo =
{
FileName = Application.StartupPath + "\\iperf.exe",
Arguments = (string)e.Argument,
UseShellExecute = false,
WindowStyle = ProcessWindowStyle.Hidden,
CreateNoWindow = true,
RedirectStandardOutput = true
}
};
this.process.OutputDataReceived += new DataReceivedEventHandler(this.process_OutputDataReceived);
this.process.Exited += new EventHandler(this.process_Exited);
this.process.Start();
this.process.BeginOutputReadLine();
this.process.WaitForExit();
}
catch (Exception ex)
{
this.Stop();
MessageBox.Show(ex.Message, "Process start failed", MessageBoxButtons.OK, MessageBoxIcon.Hand);
}
}
private void process_Exited(object sender, EventArgs e)
{
this.process.OutputDataReceived -= new DataReceivedEventHandler(this.process_OutputDataReceived);
this.process.Exited -= new EventHandler(this.process_Exited);
}
private void process_OutputDataReceived(object sender, DataReceivedEventArgs e)
{
this.bw.ReportProgress(0, e.Data);
}
}
}
这是一条镜像帖。来源：北邮人论坛 / dot-net / #4618同步于 2015/3/20
dotNET机器人发帖
[问题]c# 只能出现在+=或-=的左边
jack314
2015/3/20镜像同步0 回复
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