RawStylusInput.StylusDeviceId Proprietà
Definizione
Importante
Alcune informazioni sono relative alla release non definitiva del prodotto, che potrebbe subire modifiche significative prima della release definitiva. Microsoft non riconosce alcuna garanzia, espressa o implicita, in merito alle informazioni qui fornite.
Ottiene l'identificatore del dispositivo stilo corrente.
public:
property int StylusDeviceId { int get(); };
public int StylusDeviceId { get; }
member this.StylusDeviceId : int
Public ReadOnly Property StylusDeviceId As Integer
Valore della proprietà
Identificatore dell'oggetto StylusDevice corrente.
Esempio
L'esempio seguente garantisce che i punti di stilo raccolti siano dallo stesso StylusDeviceoggetto . Questo esempio fa parte dell'esempio più grande nella panoramica della RawStylusInput classe.
// Collect the points as the user draws the stroke.
protected override void OnStylusDown(RawStylusInput rawStylusInput)
{
// If points is not null, there is already a stroke taking place
// on the digitizer, so don't create a new StylusPointsCollection.
if (points == null)
{
points = new StylusPointCollection(rawStylusInput.GetStylusPoints().Description);
points.Add(rawStylusInput.GetStylusPoints());
currentStylus = rawStylusInput.StylusDeviceId;
}
}
// Collect the points as the user draws the stroke.
protected override void OnStylusMove(RawStylusInput rawStylusInput)
{
// Check whether the stylus that started the stroke is the same, and
// that the element hasn't lost focus since the stroke began.
if (points != null && currentStylus == rawStylusInput.StylusDeviceId)
{
points.Add(rawStylusInput.GetStylusPoints());
}
}
// Collect the points as the user draws the stroke.
protected override void OnStylusUp(RawStylusInput rawStylusInput)
{
// Check whether the stylus that started the stroke is the same, and
// that the element hasn't lost focus since the stroke began.
if (points != null && currentStylus == rawStylusInput.StylusDeviceId)
{
points.Add(rawStylusInput.GetStylusPoints());
// Subscribe to the OnStylusUpProcessed method.
rawStylusInput.NotifyWhenProcessed(points);
}
points = null;
currentStylus = 0;
}
' Collect the points as the user draws the stroke.
Protected Overrides Sub OnStylusDown(ByVal rawStylusInput As RawStylusInput)
' If points is not null, there is already a stroke taking place
' on the digitizer, so don't create a new StylusPointsCollection.
If points Is Nothing Then
points = New StylusPointCollection(rawStylusInput.GetStylusPoints().Description)
points.Add(rawStylusInput.GetStylusPoints())
currentStylus = rawStylusInput.StylusDeviceId
End If
End Sub
' Collect the points as the user draws the stroke.
Protected Overrides Sub OnStylusMove(ByVal rawStylusInput As RawStylusInput)
' Check whether the stylus that started the stroke is the same, and
' that the element hasn't lost focus since the stroke began.
If Not (points Is Nothing) AndAlso currentStylus = rawStylusInput.StylusDeviceId Then
points.Add(rawStylusInput.GetStylusPoints())
End If
End Sub
' Collect the points as the user draws the stroke.
Protected Overrides Sub OnStylusUp(ByVal rawStylusInput As RawStylusInput)
' Check whether the stylus that started the stroke is the same, and
' that the element hasn't lost focus since the stroke began.
If Not (points Is Nothing) AndAlso currentStylus = rawStylusInput.StylusDeviceId Then
points.Add(rawStylusInput.GetStylusPoints())
' Subscribe to the OnStylusUpProcessed method.
rawStylusInput.NotifyWhenProcessed(points)
End If
points = Nothing
currentStylus = 0
End Sub