private void SerialSettingMenuItem_Click(object sender, EventArgs e) { /* if (sp.IsOpen) { sp.Close(); ToolStrip_Cond.Text = "串口已关闭"; SerialSettingMenuItem.Text = "串口设置"; return; } sp.Open(); SerialSettingMenuItem.Text = "关闭串口"; ToolStrip_Cond.Text = "串口已打开"; */ if (sp.IsOpen) { sp.Close(); ToolStrip_Cond.Text = "串口已关闭"; SerialSettingMenuItem.Text = "串口设置"; return; } SerialSetting ss = new SerialSetting(sp); ss.ShowDialog(); SerialSettingMenuItem.Text = "关闭串口"; ToolStrip_Cond.Text = "串口已打开"; }
private void SerialSettingMenuItem_Click(object sender, EventArgs e) { /* * if (sp.IsOpen) { sp.Close(); ToolStrip_Cond.Text = "串口已关闭"; SerialSettingMenuItem.Text = "串口设置"; return; } * sp.Open(); * SerialSettingMenuItem.Text = "关闭串口"; * ToolStrip_Cond.Text = "串口已打开"; */ if (sp.IsOpen) { sp.Close(); ToolStrip_Cond.Text = "串口已关闭"; SerialSettingMenuItem.Text = "串口设置"; return; } SerialSetting ss = new SerialSetting(sp); ss.ShowDialog(); SerialSettingMenuItem.Text = "关闭串口"; ToolStrip_Cond.Text = "串口已打开"; }