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POScaletransform textblock
 

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    <p>I'm adding to the canvas a textblock that the user can bring everywhere but now I'm stuck trying to figure out how to make textblock able to be enlarged or rotated pinching it, this is my code so far:</p> <pre><code>//create the textblock TextBlock txt = new TextBlock() { Text = UserString, FontSize = 56 }; //Adding gesture listener here GestureListener TextGestureListener = GestureService.GetGestureListener(txt); txt.MouseEnter += txt_MouseEnter; TextGestureListener.DragStarted += new EventHandler&lt;DragStartedGestureEventArgs&gt;(GestureListener_DragStarted); TextGestureListener.DragDelta += new EventHandler&lt;DragDeltaGestureEventArgs&gt;(GestureListener_DragDelta); TextGestureListener.DragCompleted += new EventHandler&lt;DragCompletedGestureEventArgs&gt;(GestureListener_DragCompleted); TextGestureListener.PinchDelta += new EventHandler&lt;PinchGestureEventArgs&gt;(GestureListener_PinchDelta); WholePicture.Children.Add(txt); //pinch to zoom or at least try! void GestureListener_PinchDelta(object sender, PinchGestureEventArgs e) { TextBlock txt = (TextBlock)sender; Scale = (ScaleTransform)txt.RenderTransform; Scale.ScaleX = e.DistanceRatio; Scale.ScaleY = e.DistanceRatio; } </code></pre> <p>Now, if I try to enlarge the textblock it simply crash with this errors</p> <pre><code> $exception {System.InvalidCastException: Unable to cast object of type 'System.Windows.Media.TranslateTransform' to type 'System.Windows.Media.ScaleTransform'. at CrazyFill.Pages.CrazyFillCore.GestureListener_PinchDelta(Object sender, PinchGestureEventArgs e) at Microsoft.Phone.Controls.SafeRaise.Raise[T](EventHandler`1 eventToRaise, Object sender, GetEventArgs`1 getEventArgs) at Microsoft.Phone.Controls.GestureListener.RaiseGestureEvent[T](Func`2 eventGetter, Func`1 argsGetter, Boolean releaseMouseCapture) at Microsoft.Phone.Controls.GestureListener.ProcessTouchPanelEvents() at Microsoft.Phone.Controls.GestureListener.TouchDelta() at Microsoft.Phone.Controls.GestureListener.OnTouchFrameReported(Object sender, TouchFrameEventArgs e) at System.Windows.Input.Touch.OnTouch(Object sender, TouchFrameEventArgs e) at MS.Internal.JoltHelper.RaiseEvent(IntPtr target, UInt32 eventId, IntPtr coreEventArgs, UInt32 eventArgsTypeIndex)} System.Exception {System.InvalidCastException} </code></pre>
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    1. USDiego Martinelli
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    1. COWhat is the 'crash' that is being thrown? Do you have the exception or a stack trace?
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