基于C#的串口通信上位机和下位机源代码(4)

2020-02-21 00:58

}

private void button3_Click(object sender, EventArgs e)

{

groupBox6.Enabled = true;

label7.Text = \已发送\

if (textBox2.Text == \

MessageBox.Show(\\

else

sp.WriteLine(textBox2.Text);//往串口写数据

}

private void checkBox1_CheckedChanged(object EventArgs e)

{

try {

if (checkBox1.Checked)

{

checkBox1.Checked = true;

checkBox2.Checked

sender, false;

checkBox3.Checked = false;

checkBox4.Checked = false;

checkBox5.Checked = false;

checkBox6.Checked = false;

checkBox7.Checked = false;

checkBox8.Checked = false;

label7.Text = \准备发送\

textBox2.Text = \

}

catch (Exception er)

{

MessageBox.Show(\

return;

}

private void checkBox2_CheckedChanged(object EventArgs e)

{

try {

if (checkBox2.Checked)

sender,

{

checkBox1.Checked = false;

checkBox2.Checked = true;