示例#1
0
        private void btnCloseSeri_Click(object sender, EventArgs e)
        {
            if (this.btnCloseSeri.Text.Trim() == "打开串口")
            {
                if (Public.openCom(serialPort1))
                {
                    this.btnCloseSeri.Text = "关闭串口";
                    return;
                }
                else
                {
                    MessageBox.Show("打开串口失败");
                    this.btnCloseSeri.Text = "打开串口";
                    return;
                }
            }

            if (this.btnCloseSeri.Text == "关闭串口")
            {
                if (this.serialPort1.IsOpen)
                {
                    this.serialPort1.Close();
                }
                this.btnCloseSeri.Text = "打开串口";
            }
        }
示例#2
0
        private bool opencomm()
        {
            bool ret = false;

            try
            {
                if (!Public.openCom(serialPort1))
                {
                    MessageBox.Show("打开串口失败!");
                    this.btnCloseSeri.Text = "打开串口";
                    return(false);
                }
                else
                {
                    this.btnCloseSeri.Text = "关闭串口";
                    return(true);
                }
            }
            catch (Exception ex)
            {
                this.btnCloseSeri.Text = "打开串口";
                MessageBox.Show("打开串口失败!" + ex.Message);
                return(false);
            }
            return(ret);
        }
示例#3
0
 private void checkBox2_CheckedChanged(object sender, EventArgs e)
 {
     if (checkBox1.Checked)
     {
         if (!s.IsOpen)
         {
             if (!Public.openCom(s))
             {
                 MessageBox.Show("打开失败!");
                 return;
             }
             else
             {
                 MessageBox.Show("打开成功!");
             }
         }
     }
     else
     {
         if (!checkBox1.Checked)
         {
             if (s.IsOpen)
             {
                 s.Close();
             }
         }
     }
 }