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PODrawing with Touch in WinRT
 

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    <p>I'm using the following example. <a href="http://msdn.microsoft.com/en-us/library/windows/apps/windows.ui.xaml.input.pointereventhandler?cs-save-lang=1&amp;cs-lang=vb#code-snippet-1" rel="nofollow">http://msdn.microsoft.com/en-us/library/windows/apps/windows.ui.xaml.input.pointereventhandler?cs-save-lang=1&amp;cs-lang=vb#code-snippet-1</a></p> <p>I've tried modifying it a few different ways but am not able to make touch work to draw with on the screen. </p> <p>The program fails on this function</p> <pre><code>Public Function InkCanvas_PointerPressed(sender As Object, e As PointerRoutedEventArgs) 'Get information about the pointer location Dim pt As PointerPoint = e.GetCurrentPoint(panelcanvas) _previousContactPt = pt.Position 'Accept input only from a pen or mouse with a left button pressed Dim pointerDevType As PointerDeviceType = e.Pointer.PointerDeviceType If ((pointerDevType = PointerDeviceType.Pen Or pointerDevType = PointerDeviceType.Mouse) And pt.Properties.IsLeftButtonPressed) Then 'Pass the point information to the inkmanager _inkManager.ProcessPointerDown(pt) _penID = pt.PointerId e.Handled = True ElseIf (pointerDevType = PointerDeviceType.Touch) Then _touchID = pt.PointerId _inkManager.ProcessPointerDown(pt) '&lt;-- error happens here e.Handled = True End If Return Nothing End Function </code></pre> <p>I get the following error Message=TabletPC inking error code. Initialization failure (Exception from HRESULT: 0x80040223) on the _inkManager.ProcessPointerDown(pt) line.</p>
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