private void ClosePort_Click(object sender, EventArgs e)
{
int port;
string temp;
ComboBox_AlreadyOpenCOM.Refresh();
RefreshStatus();
try
{
if (ComboBox_AlreadyOpenCOM.SelectedIndex < 0)
{
MessageBox.Show("Please Choose COM Port to close", "Information");
}
else
{
temp = ComboBox_AlreadyOpenCOM.SelectedItem.ToString();
port = Convert.ToInt32(temp.Substring(3, temp.Length - 3));
fCmdRet = StaticClassReaderB.CloseSpecComPort(port);
if (fCmdRet == 0)
{
ComboBox_AlreadyOpenCOM.Items.RemoveAt(0);
if (ComboBox_AlreadyOpenCOM.Items.Count != 0)
{
temp = ComboBox_AlreadyOpenCOM.SelectedItem.ToString();
port = Convert.ToInt32(temp.Substring(3, temp.Length - 3));
StaticClassReaderB.CloseSpecComPort(port);
fComAdr = 0xFF;
StaticClassReaderB.OpenComPort(port, ref fComAdr, fBaud, ref frmcomportindex);
fOpenComIndex = frmcomportindex;
RefreshStatus();
Button3_Click(sender, e); //自动执行读取写卡器信息
}
}
else
{
MessageBox.Show("Serial Communication Error", "Information");
}
}
}
finally
{
}
if (ComboBox_AlreadyOpenCOM.Items.Count != 0)
{
ComboBox_AlreadyOpenCOM.SelectedIndex = 0;
}
else
{
fOpenComIndex = -1;
ComboBox_AlreadyOpenCOM.Items.Clear();
ComboBox_AlreadyOpenCOM.Refresh();
RefreshStatus();
button2.Enabled = false;
button2.Text = "Остановить";
ComOpen = false;
timer1.Enabled = false;
}
}
//复位窗口
private void reset_view()
{
ComOpen = false;
fCmdRet = 30;
fOpenComIndex = -1;
ComboBox_AlreadyOpenCOM.Items.Clear();
ComboBox_AlreadyOpenCOM.Refresh();
Button3.Enabled = false;
ComOpen = false;
Timer_Scan.Enabled = false;
fIsInventoryScan = false;
fIsInvoke = false;
button2.Enabled = false;
button2.Text = "开始";
ClosePort.Enabled = false;
ComboBox_baud2.SelectedIndex = 3;//初始化波特率选项
}