private void button6_Click(object sender, EventArgs e)
{
// read cpu status
OperateResult <OmronCpuUnitStatus> read = omronFinsNet.ReadCpuUnitStatus( );
if (read.IsSuccess)
{
textBox4.Text = read.Content.ToJsonString( );
}
else
{
MessageBox.Show("read failed:" + read.Message);
}
}