/// <summary>
/// Set port name of serial port in this class and global variables.
/// </summary>
/// <param name="portName">Port name of serial port</param>
public void SetPort(string portName)
{
string[] portNames = SerialPort.GetPortNames();
if (portNames.Contains(portName.ToUpper()))
{
this.sp.PortName = portName;
// Keep the GlobalVars.portName is always the latest.
GlbVars.portName = portName;
}
else if (portNames.Length != 0)
{
this.sp.PortName = portNames[0];
// Keep the GlobalVars.portName is always the latest.
GlbVars.portName = portNames[0];
}
else
{
MessageBox.Show("未检测到有效串口，请手动选择");
Form ChooseCom = new ComSet();
ChooseCom.ShowDialog();
if (ChooseCom.DialogResult == DialogResult.OK)
{
this.sp.PortName = GlbVars.portName;
}
else
{
GlbVars.portName = this.sp.PortName;
MessageBox.Show("串口选择未成功，请检查连接并重启软件");
}
ChooseCom.Dispose();
}
}
private void MenuComSet_Click(object sender, EventArgs e)
{
// Comset form will be topmost, do not need to check
Form ChooseCom = new ComSet();
ChooseCom.ShowDialog();
if (ChooseCom.DialogResult == DialogResult.OK)
{
GlbVars.uartCom.SetPort(GlbVars.portName);
}
else
{
MessageBox.Show("串口选择未成功，请检查连接并重启软件");
}
ChooseCom.Dispose();
this.StaCom.Text = GlbVars.portName;
}