private void buttonSetBT_Click(object sender, EventArgs e)
{
if (textBoxBTName.Text == "")
{
MessageBox.Show("Bluetooth Name cannot be empty !");
}
else if (textBoxBTName.Text.Length > 15)
{
MessageBox.Show("Bluetooth Name length is limited to 15 bytes !");
}
else
{
MyFocuser.SetBluetooth(textBoxBTName.Text);
MessageBox.Show("Please refresh your Bluetooth device to see if it succeeds !");
}
}