private void button2_Click(object sender, EventArgs e) { if (button2.Text == "スタート") { System.Diagnostics.Process p; p = (System.Diagnostics.Process)WindowerPids[comboBox3.SelectedItem]; w1 = new XIWindower(p.Id); button2.Text = "停止"; comboBox3.Enabled = false; groupBox1.Enabled = false; radioButton1.Enabled = false; radioButton2.Enabled = false; textBoxAddress.Enabled = false; textBoxPassword.Enabled = false; numericUpDown1.Enabled = false; if (radioButton1.Checked) { serv = new RCMNetServer(this); serv.Start(); thread1 = new Thread(new ThreadStart(comNetThread)); thread1.IsBackground = true; thread1.Start(); } else { client = new RCMNetClient(this); if (!client.Start()) { MessageBox.Show(this, "接続に失敗しました。"); enableNetGui(); } else { thread1 = new Thread(new ThreadStart(comNetThread)); thread1.IsBackground = true; thread1.Start(); } } } else { if (serv != null) { serv.Stop(); serv = null; } else { client.Stop(); client = null; } if (thread1 != null && thread1.IsAlive) thread1.Abort(); thread1 = null; button2.Text = "スタート"; radioButton1.Enabled = true; radioButton2.Enabled = true; textBoxAddress.Enabled = true; textBoxPassword.Enabled = true; numericUpDown1.Enabled = true; groupBox1.Enabled = true; } }