StylusInfo Object

var agCtrl;
var inkPresenter; // Corresponds to InkPresenter element in xaml
var newStroke = null; // The Stroke variable we'll use here in mouse handlers
var daWidth;
var daHeight;
function root_Loaded(sender, args) 
{
    // Get the html object which contains the Silverlight plug-in
    agCtrl = sender.GetHost();
    inkPresenter = sender.findname("inkPresenterElement");
}
// Capture mouse movement when the left button is pressed then create the stroke.
function InkPresenterMouseDown(sender,args)
{
   inkPresenter.CaptureMouse();
   newStroke = agCtrl.content.createFromXaml('<Stroke/>');
   
   // Get the DeviceType
   if(args.GetStylusInfo().deviceType == "Stylus")
   {
     var sps = args.GetStylusPoints(inkPresenter);
     SetStylusStrokeSize(sps);
   }
   // If the device type is not a stylus then use the default stroke height and width.
   else
   {
     daWidth = 3;
     daHeight = 3;
   }
   
   // Set the drawing attributes properties
   newStroke.DrawingAttributes.Width = daWidth;
   newStroke.DrawingAttributes.Height = daHeight;
   newStroke.DrawingAttributes.Color = "Blue";
   newStroke.DrawingAttributes.OutlineColor = "Orange";
   
   newStroke.StylusPoints.AddStylusPoints(args.GetStylusPoints(inkPresenter));
   inkPresenter.Strokes.Add(newStroke);
}
// Add the new points to the Stroke we're working with
function InkPresenterMouseMove(sender,args)
{
   if (newStroke != null)
   {
      newStroke.StylusPoints.AddStylusPoints(args.GetStylusPoints(inkPresenter));
   }
}
// Release the mouse
function InkPresenterMouseUp(sender,args)
{
   newStroke = null;
}
// Set the size of the stroke based on the initial pressureFactor of the stroke.
function SetStylusStrokeSize(sps)
{
    var p;
    // Set variable p to the first StylusPoint in the Stroke
    p = sps.getItem(0).pressureFactor;
    daWidth = p * 20.0;
    daHeight = p * 20.0;
}