Controlling robot IO with Robot Web Services

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1

Hi

I am trying to get my head around using Robot Web Services. I have created a c# client application which can read a robot signal, this all seems to be fine, but I am now trying to understand how to set the signal from the application. There does not seem to be any examples on how this is done in c# in the documentation, I have done it using a html page but can not seem to work out how it is done in c#. Any one who could send me an c# example of how this is done would be great and very much appreciated.

2

Hi

This method works fine for me

HttpWebResponse ChangeIoSignalValue(string url, string prevvalue)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(new Uri(url + “?action=set”));
request.Credentials = _credentials;
request.Proxy = null;
request.Method = “POST”;
request.ContentType = “application/x-www-form-urlencoded”;
request.CookieContainer = _cookies;

string body = null;
if (prevvalue == “1”)
{
body = “lvalue=0”;
}
else
{
body = “lvalue=1”;
}

// write to the http stream object
Stream s = request.GetRequestStream();
s.Write(Encoding.UTF8.GetBytes(body), 0, body.Length);
s.Close();

HttpWebResponse response = (HttpWebResponse)request.GetResponse();
return response;
}

using (HttpWebResponse response = ChangeIoSignalValue(signalUrl, oldIOValue))
{

}