Visual CS 2010 Expressを使って、フォームアプリケーションの開発を行っています。
現在、そのプロトタイプとなるフォームを制作しているのですが、ReportProgressメソッドを呼び出し、progressChangedイベントを発生させても、backgroundWorker1_ProgressChangedメソッドが動きません。
解決のため、アドバイスをお願いいたします。また、申し訳ありませんが、私はC#にあまり詳しくありません。説明に不明瞭な点がございましたら、遠慮なくご指摘をお願いいたします。
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace TCP_recever
{
public partial class Form1 : Form
{
private string states = "";
private string button1_Text = "";
private string data = "";
//現在使用せず
private double delta = 0.0;
private double theta = 0.0;
private double low_beta = 0.0;
private double high_beta = 0.0;
private double low_alpha = 0.0;
private double high_alpha = 0.0;
private double low_gamma = 0.0;
private double high_gamma = 0.0;
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs ev)
{
}
//---------------------------
// Method of button1_Click
//---------------------------
private void button1_Click(object sender, EventArgs ev)
{
msgBox01.Text = "connecting...";
button1.Enabled = false;
backgroundWorker1.RunWorkerAsync();
}
//----------------------
// background process
//----------------------
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs ev)
{
BackgroundWorker worker = (BackgroundWorker)sender;
//ポートとアドレスを取得
int port = int.Parse(portBox.Text);
string adress = adressBox.Text;
System.Net.Sockets.TcpClient tcp;
System.Net.Sockets.NetworkStream ns;
states += "connecting...\n";
try
{
tcp = new System.Net.Sockets.TcpClient(adress, port);
ns = tcp.GetStream();
}
catch(Exception e)
{
states += "Error in connection\n";
ev.Result = "Error in Connection";
MessageBox.Show(e.Message);
return;
}
states += "---Message------\n";
button1_Text = "切断";
Byte[] bytes = new Byte[1024];
int resSize;
while(true){
resSize = ns.Read(bytes,0,bytes.Length);
if(resSize == 0){
MessageBox.Show("Error : No data\n");
break;
}
data = Encoding.GetEncoding(932).GetString(bytes);
MessageBox.Show("try reportprogress\n");
worker.ReportProgress(0);
System.Threading.Thread.Sleep(60);
}
tcp.Close();
}
private void backgroundWorker1_ProgressChanged(object sender, ProgressChangedEventArgs ev)
{
MessageBox.Show("Progress Changed\n");
msgBox01.Text += states;
msgBox01.Text += data;
msgBox01.Text += "\n";
button1.Text = button1_Text;
}
}
}
