本文整理匯總了VB.NET中System.Windows.Input.StylusPlugIns.StylusPlugIn.OnStylusMoveProcessed方法的典型用法代碼示例。如果您正苦於以下問題:VB.NET StylusPlugIn.OnStylusMoveProcessed方法的具體用法?VB.NET StylusPlugIn.OnStylusMoveProcessed怎麽用?VB.NET StylusPlugIn.OnStylusMoveProcessed使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Windows.Input.StylusPlugIns.StylusPlugIn
的用法示例。
在下文中一共展示了StylusPlugIn.OnStylusMoveProcessed方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: New
Class RecognizerPlugin
Inherits StylusPlugIn
Private recognizer As GestureRecognizer
' StylusPointCollection that contains the stylus points of the current
' stroke.
Private points As StylusPointCollection
' Keeps track of the stylus to check whether two styluses are used on the
' digitizer.
Private currentStylus As Integer
Public Sub New()
recognizer = New GestureRecognizer()
End Sub
' 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
' If the element loses focus, stop collecting the points and don't
' perform gesture recognition.
Protected Overrides Sub OnStylusLeave(ByVal rawStylusInput As RawStylusInput, ByVal confirmed As Boolean)
If confirmed Then
' Clear the StylusPointCollection
points = Nothing
currentStylus = 0
End If
End Sub
' This method is called on the application thread.
Protected Overrides Sub OnStylusUpProcessed(ByVal callbackData As Object, ByVal targetVerified As Boolean)
' Check that the element actually receive the OnStylusUp input.
If targetVerified AndAlso recognizer.IsRecognizerAvailable Then
Dim strokePoints As StylusPointCollection = callbackData
If strokePoints Is Nothing Then
Return
End If
' Create a StrokeCollection to pass to the GestureRecognizer.
Dim newStroke As New Stroke(strokePoints)
Dim strokes As New StrokeCollection()
strokes.Add(newStroke)
Dim results As ReadOnlyCollection(Of GestureRecognitionResult) = recognizer.Recognize(strokes)
' If the GestureRecognizer recognizes the stroke as a Down
' gesture with strong confidence, raise an event.
If results(0).ApplicationGesture = ApplicationGesture.Down AndAlso _
results(0).RecognitionConfidence = RecognitionConfidence.Strong Then
'raise event
End If
End If
End Sub
End Class
開發者ID:VB.NET開發者,項目名稱:System.Windows.Input.StylusPlugIns,代碼行數:100,代碼來源:StylusPlugIn.OnStylusMoveProcessed