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StylusPoint Structure

Represents a single point collected while the user is entering ink strokes with the stylus or mouse.

Namespace:  System.Windows.Input
Assembly:  System.Windows (in System.Windows.dll)
public struct StylusPoint
<StylusPoint .../>

The StylusPoint type exposes the following members.

  NameDescription
Public methodSupported by Silverlight for Windows PhoneStylusPointInitializes a new instance of the StylusPoint class.
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  NameDescription
Public propertySupported by Silverlight for Windows PhonePressureFactorGets or sets the pressure factor of the stylus on the screen.
Public propertySupported by Silverlight for Windows PhoneXGets or sets the value for the x-coordinate of the StylusPoint.
Public propertySupported by Silverlight for Windows PhoneYGets or sets the value for the y-coordinate of the StylusPoint.
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  NameDescription
Public methodSupported by Silverlight for Windows PhoneEqualsIndicates whether this instance and a specified object are equal. (Inherited from ValueType.)
Protected methodSupported by Silverlight for Windows PhoneFinalizeAllows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public methodSupported by Silverlight for Windows PhoneGetHashCodeReturns the hash code for this instance. (Inherited from ValueType.)
Public methodSupported by Silverlight for Windows PhoneGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodSupported by Silverlight for Windows PhoneMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodSupported by Silverlight for Windows PhoneToStringReturns the fully qualified type name of this instance. (Inherited from ValueType.)
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The StylusPoint structure represents a single point. All StylusPoint objects contain properties that indicate the (x, y) coordinates and the pressure.

NoteNote:

You can get the relevant PressureFactor only if the device supports it. Otherwise, PressureFactor will have a default value of 0.5.

Multiple StylusPoint objects typically make up a Stroke object. The Stroke object stores the stylus points in the StylusPoints property.

The following code example displays the x-coordinate, y-coordinate, and pressure data of each stylus point as they are added to a stroke.

Run this sample


public Page()
{
    InitializeComponent();
    SetBoundary();
}

Stroke MyStroke;

//A new stroke object, MyStroke, is created and is added to the StrokeCollection object
//of the InkPresenter, MyIP
private void MyIP_MouseLeftButtonDown(object sender, MouseEventArgs e)
{
    MyIP.CaptureMouse();
    StylusPointCollection MyStylusPointCollection = new StylusPointCollection();
    MyStylusPointCollection.Add(e.StylusDevice.GetStylusPoints(MyIP));
    MyStroke = new Stroke(MyStylusPointCollection);

    MyIP.Strokes.Add(MyStroke);
}

//StylusPoint objects are collected from the MouseEventArgs and added to MyStroke
private void MyIP_MouseMove(object sender, MouseEventArgs e)
{
    if (MyStroke != null)
    {
        MyStroke.StylusPoints.Add(e.StylusDevice.GetStylusPoints(MyIP));
        XTB.Text = "" + e.StylusDevice.GetStylusPoints(MyIP)[0].X;
        YTB.Text = "" + e.StylusDevice.GetStylusPoints(MyIP)[0].Y;
        PressureTB.Text = "" + e.StylusDevice.GetStylusPoints(MyIP)[0].PressureFactor;
    }
}

//MyStroke is completed
private void MyIP_LostMouseCapture(object sender, MouseEventArgs e)
{
    MyStroke = null;
}

private void SetBoundary()
{
    RectangleGeometry MyRectangleGeometry = new RectangleGeometry();
    MyRectangleGeometry.Rect = new Rect(0, 0, MyIP.ActualHeight, MyIP.ActualWidth);
    MyIP.Clip = MyRectangleGeometry;
}


Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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