//添加消费机
private void button1_Click(object sender, System.EventArgs e)
{
int comport = decimal.ToInt32(ComPort.Value);
int posit = decimal.ToInt32(PosId.Value);
Pos pos = new Pos(comport,posit);
bool posconnect = pos.IsConnected();
Poses.Add(pos);
ListViewItem newpos = new ListViewItem(
new string[]{
"COM"+comport,
""+posit,
(posconnect?"已连接":"未连接")},
null,
posconnect?System.Drawing.Color.Black:System.Drawing.Color.Gray,
System.Drawing.Color.White,
this.checkBox1.Font
);
PosList.Items.Add(newpos);
ComPort.Value++;
PosId.Value++;
}