private void btnStop_Click(object sender, EventArgs e) { statusPanel.Text = "Process stoped. Action stop...."; statusPanel.ToolTipText = "Last Activity"; if (process != null) { process.abort(); process = null; } txtIP.ReadOnly = false; txtPort.ReadOnly = false; txtID.ReadOnly = false; txtPass.ReadOnly = false; btnStart.Enabled = true; btnStop.Enabled = false; btnStart.BackgroundImage = Properties.Resources.btn_start_sm; btnStart.BackgroundImageLayout = ImageLayout.Stretch; btnStop.BackgroundImage = Properties.Resources.btn_stop_sm_g; btnStop.BackgroundImageLayout = ImageLayout.Stretch; }