/// <summary>
/// write image stream out to the page
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void Page_Load(object sender, EventArgs e)
{
Response.Clear();
//create a proxy to the remote service
ImageVerifierServiceRef.ServiceClient proxy = new ImageVerifierServiceRef.ServiceClient();
string mystr = string.Empty;
//check session
if (Session["generatedString"] == null)
{
string userLength = "5";
mystr = proxy.GetVerifierString(userLength);
//set session
Session["generatedString"] = mystr;
}
else
{
//get value from session
mystr = Session["generatedString"].ToString();
}
Stream myStream = proxy.GetImage(mystr);
System.Drawing.Image myImage = System.Drawing.Image.FromStream(myStream);
Response.ContentType = "image/jpeg";
myImage.Save(Response.OutputStream, ImageFormat.Jpeg);
}
/// <summary>
/// Get new image
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnNewImage_Click(object sender, EventArgs e)
{
ImageVerifierServiceRef.ServiceClient proxy = new ImageVerifierServiceRef.ServiceClient();
//define image string length
string userLength = "5";
var mystr = proxy.GetVerifierString(userLength);
//set session
Session["generatedString"] = mystr;
}