You are designing a windows phone 7 application you

Question: 53
You are designing a Windows Phone 7 application. You need to recommend the class and property
to use to establish the number of touches that a user device can handle at one time. What should
you recommend?
A. TouchPanelCapabilities.MaximumTouchCount
B. TouchCollection.Count
C. TouchLocation.State
D. GestureSample.GestureType
Answer: A
Question: 54
You are designing a Windows Phone 7 application. You need to recommend a way to track the
movement of a users gestures while the gesture is occurring. Which routed event should you
recommend?

Question: 55
You are designing a Windows Phone 7 application. You need to allow the application to detect a
users gestures on the phone screen. What should you recommend?
Question: 56
You are designing a Windows Phone 7 application that consists of a single XAML page. A rectangle
that is hidden within the page appears as a result of a user action. You need to ensure that the
rectangle is hidden and the application remains open when the user presses the Back key. Which
code segment should you use?

Question: 57
You are designing a Windows Phone 7 application that consists of a single XAML page. A rectangle
that is hidden within the page appears as a result of a user action. You need to ensure that the
rectangle is hidden and the application remains open when the user presses the Back key. Which
code segment should you use?
A. Protected Overrides Sub OnBackKeyPress(
ByVal e As System.ComponentModel.CancelEventArgs)
If popUp.Visibility =
System.Windows.Visibility.Visible Then
e.Cancel = True
popUp.Visibility = System.Windows.Visibility.Collapsed
End If
End Sub
B. Sub NavigationService_Navigating(ByVal sender As Object,
ByVal e As NavigatingCancelEventArgs)
If (e.NavigationMode = NavigationMode.Back) Then
e.Cancel = True
popUp.Visibility = System.Windows.Visibility.Collapsed
End If
End Sub
C. Protected Overrides Sub OnNavigatingFrom(
ByVal e As NavigatingCancelEventArgs)
MyBase.OnNavigatingFrom(e)
e.Cancel = True