BC_Logger_control.Form1.button_getAll_Click C# (CSharp) Method

        private void button_getAll_Click(object sender, EventArgs e)
        {
            serialPort1.WriteLine(textBox_getScustom.Text);
            SetText(textBox_getScustom.Text + "\r\n");
            Thread.Sleep(100);
            serialPort1.WriteLine(textBox_getLcustom.Text);
            SetText(textBox_getLcustom.Text + "\r\n");
            while (serialPort1.BytesToRead > 0) Thread.Sleep(100);
            serialPort1.WriteLine(textBox_getDcustom.Text);
            SetText(textBox_getDcustom.Text + "\r\n");
        }