private void button8_Click(object sender, EventArgs e)//回环测试 { byte[] TXBuffer = System.Text.Encoding.GetEncoding("GB2312").GetBytes(textBox3.Text); byte[] RXBuffer = new byte[100]; textBox4.Text = null; Application.DoEvents(); int Length = Usart.SendDataOne(Value.serialPort1, TXBuffer, TXBuffer.Length, ref RXBuffer, 100); string String = System.Text.Encoding.GetEncoding("GB2312").GetString(RXBuffer); textBox4.Text = String; }
private void button8_Click(object sender, EventArgs e)//回环测试 { byte[] TXBuffer = System.Text.Encoding.ASCII.GetBytes(textBox3.Text); byte[] RXBuffer = new byte[100]; pictureBox1.Image = Properties.Resources.Close; textBox4.Text = null; Application.DoEvents(); int Length = Usart.SendDataOne(serialPort1, TXBuffer, TXBuffer.Length, ref RXBuffer, 100); string String = System.Text.Encoding.ASCII.GetString(RXBuffer); if (Length > 0) { pictureBox1.Image = Properties.Resources.Open; } textBox4.Text = String; }