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Stroke Object

  • Article

Represents a collection of points that correspond to a stylus-down, move, and stylus-up sequence.

XAML
<Stroke .../>
Scripting
To create an object using scripting, see CreateFromXAML.

Properties

DrawingAttributes, Name, StylusPoints

Methods

Equals, FindName, GetBounds, GetHost, GetValue, HitTest, SetValue

Remarks

The Stroke object is not related to the Stroke property which is a member of the Shape class.

Examples

JavaScript 
var agCtrl;
var inkPresenter; // Corresponds to InkPresenter element in xaml
var newStroke = null; // The Stroke variable we'll use here in mouse handlers
// DrawingAttributes variables
var daWidth = 2;
var daHeight = 2;
var daColor = "Black";
var daOutlineColor = "Black";
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 and create the stroke
function InkPresenterMouseDown(sender,args)
{
   inkPresenter.CaptureMouse();
   
   newStroke = agCtrl.content.createFromXaml('<Stroke/>');
   
   var da = agCtrl.content.CreateFromXaml('<DrawingAttributes/>');
   newStroke.DrawingAttributes = da;
   
   // Set the drawing attributes properties
   newStroke.DrawingAttributes.Width = daWidth;
   newStroke.DrawingAttributes.Height = daHeight;
   newStroke.DrawingAttributes.Color = daColor;
   newStroke.DrawingAttributes.OutlineColor = daOutlineColor;
   
   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;
   inkPresenter.ReleaseMouseCapture();
}

See Also

Ink Support in Microsoft Silverlight
StrokeCollection
InkPresenter