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Code d'Examen: 070-506-VB
Nom d'Examen: Microsoft (TS: Microsoft Silverlight 4, Development)
Questions et réponses: 75 Q&As
Code d'Examen: MB7-848
Nom d'Examen: Microsoft (NAV 2009 Service Management )
Questions et réponses: 50 Q&As
Code d'Examen: MB6-886
Nom d'Examen: Microsoft (Microsoft Dynamics AX 2012 Process Manufacturing Production and Logistics)
Questions et réponses: 80 Q&As
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NO.1 End Sub
You attempt to run the application. You receive the following error message:
"Invalid cross-thread access."
You need to ensure that worker executes successfully.
What should you do?
A. Replace line 09 with the following code segment.
Dim b = CType(checkBox.GetValue(CheckBox.IsCheckedProperty), System.Nullable(Of Boolean))
Dim isChecked As Boolean = b.HasValue AndAlso b.Value
B. Replace line 09 with the following code segment.
Dim isChecked As Boolean = False
Dispatcher.BeginInvoke(Function()
isChecked = checkBox.IsChecked.HasValue AndAlso checkBox.IsChecked.Value
End Function)
C. Replace line 15 with the following code segment.
statusTextBlock.SetValue(TextBlock.TextProperty, (e.ProgressPercentage + "%"))
D. Replace line 15 with the following code segment.
Dispatcher.BeginInvoke(Function()
statusTextBlock.Text = e.ProgressPercentage + "%"
End Function)
Answer: B
Microsoft examen certification 070-506-VB certification 070-506-VB 070-506-VB examen certification 070-506-VB
13. You are developing an application by using Silverlight 4 and Microsoft .NET Framework 4.
You add the following code segment. (Line numbers are included for reference only.)
01 Public Class MyControl Inherits Control
02
03 Public Property Title() As String
04 Get
05 Return DirectCast(GetValue(TitleProperty), String)
06 End Get
07 Set
08 SetValue(TitleProperty, value)
09 End Set
10 End Property
11 End Class
You need to create a dependency property named TitleProperty that allows developers to set the Title.
You also need to ensure that the default value of the TitleProperty dependency property is set to Untitled.
Which code segment you add at line 02?
A. Public Shared ReadOnly TitleProperty As DependencyProperty =
DependencyProperty.Register("Untitled", GetType(System.String),
GetType(MyControl), Nothing)
B. Public Shared ReadOnly TitleProperty As DependencyProperty =
DependencyProperty.Register("Untitled", GetType(System.String),
GetType(MyControl), New PropertyMetadata("Title"))
C. Public Shared ReadOnly TitleProperty As DependencyProperty =
DependencyProperty.Register("Title", GetType(System.String),
GetType(MyControl), New PropertyMetadata("Untitled"))
D. Public Shared ReadOnly TitleProperty As DependencyProperty =
DependencyProperty.Register("Title", GetType(String),
GetType(MyControl), New PropertyMetadata(New PropertyChangedCallback(Sub(depObj, args)
depObj.SetValue(MyControl.TitleProperty, "Untitled")
End Sub)))
Answer: C
Microsoft examen 070-506-VB examen 070-506-VB certification 070-506-VB certification 070-506-VB certification 070-506-VB
14. You are developing an application by using Silverlight 4 and Microsoft .NET Framework 4.
You create a control named MyControl in the application. Each instance of the control contains a list of
FrameworkElement objects.
You add the following code segment. (Line numbers are included for reference only.)
01 Public Class MyControl
02 Inherits Control
03
04 Public ReadOnly Property ChildElements As List(Of FrameworkElement)
05 Get
06 Return DirectCast(GetValue(MyControl.ChildElementsProperty), List(Of FrameworkElement))
07 End Get
08 End Property
09 Public Sub New()
10
11 End Sub
12
13 Shared Sub New()
14
15 End Sub
16 End Class
You need to create the ChildElementsProperty dependency property. You also need to initialize the
property by using an empty list of FrameworkElement objects.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose
two.)
A. Add the following code segment at line 03.
Public Shared ReadOnly ChildElementsProperty As DependencyProperty =
DependencyProperty.Register("ChildElements", GetType(List(Of
FrameworkElement)), GetType(MyControl), New PropertyMetadata(New
List(Of FrameworkElement)()))
B. Add the following code segment at line 03.
Public Shared ReadOnly ChildElementsProperty As DependencyProperty =
DependencyProperty.Register("ChildElements", GetType(List(Of
FrameworkElement)), GetType(MyControl), New
PropertyMetadata(Nothing))
C. Add the following code segment at line 10.
SetValue(MyControl.ChildElementsProperty, New List(Of
FrameworkElement)())
D. Add the following code segment at line 14.
ChildElementsProperty = DependencyProperty.Register("ChildElements",
GetType(List(Of FrameworkElement)), GetType(MyControl), New
PropertyMetadata(New List(Of FrameworkElement)()))
Answer: BC
Microsoft 070-506-VB examen 070-506-VB certification 070-506-VB
15. You are developing an application by using Silverlight 4 and Microsoft .NET Framework 4.
You add the following code segment. (Line numbers are included for reference only.)
01 Dim outerCanvas = New Canvas()
02 Dim innerCanvas = New Canvas()
03 innerCanvas.Width = 200
04 innerCanvas.Height = 200
05 outerCanvas.Children.Add(innerCanvas)
06
You need to set the distance between the left of the innerCanvas element and the left of the outerCanvas
element to 150 pixels.
Which code segment should you add at line 06?
A. outerCanvas.Margin = New Thickness(0.0, 150.0, 0.0, 0.0)
B. innerCanvas.Margin = new Thickness(0.0, 150.0, 0.0, 0.0)
C. outerCanvas.SetValue(Canvas.LeftProperty, 150.0)
D. innerCanvas.SetValue(Canvas.LeftProperty, 150.0)
Answer: D
Microsoft examen certification 070-506-VB 070-506-VB examen certification 070-506-VB
NO.2 You are developing an application by using Silverlight 4 and Microsoft .NET Framework 4.
You create a new user control in the application. You add the following XAML fragment to the control.
<StackPanel KeyDown="App_KeyDown" Orientation="Vertical">
<TextBox x:Name="firstName" />
<TextBox x:Name="lastName" />
<TextBox x:Name="address" />
</StackPanel>
You add the following code segment in the code-behind file of the control. (Line numbers are included for
reference only.)
01 Private Sub App_KeyDown(ByVal sender As Object, ByVal e As KeyEventArgs)
02
03 End Sub
04
05 Private Sub FirstAndLastNameKeyDown()
06 '...
07 End Sub
You need to ensure that the FirstAndLastNameKeyDown method is invoked when a key is pressed while
the focus is on the firstName or lastName TextBox controls. You also need to ensure that the default
behavior of the controls remains unchanged.
Which code segment should you add at line 02?
A. If ((CType(sender,FrameworkElement).Name = "firstName") _
OrElse (CType(sender,FrameworkElement).Name = "lastName")) Then
FirstAndLastNameKeyDown
End If
e.Handled = false
B. If ((CType(sender,FrameworkElement).Name = "firstName") _
OrElse (CType(sender,FrameworkElement).Name = "lastName")) Then
FirstAndLastNameKeyDown
End If
e.Handled = true
C. If ((CType(e.OriginalSource,FrameworkElement).Name = "firstName") _
OrElse (CType(e.OriginalSource,FrameworkElement).Name = "lastName")) Then
FirstAndLastNameKeyDown
End If
e.Handled = false
D. If ((CType(e.OriginalSource,FrameworkElement).Name = "firstName") _
OrElse (CType(e.OriginalSource,FrameworkElement).Name = "lastName")) Then
FirstAndLastNameKeyDown
End If
e.Handled = true
Answer: C
Microsoft examen 070-506-VB certification 070-506-VB 070-506-VB examen certification 070-506-VB
NO.3 You are developing an application by using Silverlight 4 and Microsoft .NET Framework 4.
You add a BackgroundWorker object named worker to the application. You also add a CheckBox control
named checkBox and a TextBlock control named statusTextBlock.
You add the following code segment. (Line numbers are included for reference only.)
01 Public Sub New()
02 InitializeComponent()
03 worker.WorkerReportsProgress = True
04 AddHandler worker.DoWork, New DoWorkEventHandler(AddressOf worker_DoWork)
05 AddHandler worker.ProgressChanged, New ProgressChangedEventHandler(AddressOf
worker_ProgressChanged)
06 End Sub
07 Private Sub worker_DoWork(sender As Object, e As DoWorkEventArgs)
08 For i As Integer = 0 To 99
09 Dim isChecked As Boolean = checkBox.IsChecked.HasValue AndAlso
checkBox.IsChecked.Value
10 ExecuteLongRunningProcessStep(isChecked)
11 worker.ReportProgress(i)
12 Next
NO.4 You are developing a Silverlight 4 application.
You define an Invoice object according to the following code segment.
Public Class Invoice
Public Property InvoiceId() As Integer
Public Property Amount() As Double
Public Property Supplier() As Supplier
Public Property InvoiceDate() As DateTime
Public Property PayDate() As DateTime
Public Property InvoiceDescription() As String
End Class
You need to display a list of invoices that have the following properties displayed on each line: InvoiceId,
Amount, and InvoiceDate.
Which XAML fragment should you use?
A. <ListBox x:Name="InvoiceListBox">
<StackPanel Orientation="Horizontal">
<TextBlock Text="{Binding Path=InvoiceId}" />
<TextBlock Text="{Binding Path=Amount}" />
<TextBlock Text="{Binding Path=InvoiceDate}" />
</StackPanel>
</ListBox>
B. <ListBox x:Name="InvoiceListBox">
<StackPanel Orientation="Horizontal">
<ListBoxItem>
<TextBlock Text="{Binding Path=InvoiceId}" />
</ListBoxItem>
<ListBoxItem>
<TextBlock Text="{Binding Path=Amount}" />
</ListBoxItem>
<ListBoxItem>
<TextBlock Text="{Binding Path=InvoiceDate}" />
</ListBoxItem>
</StackPanel>
</ListBox>
C. <ListBox x:Name="InvoiceListBox">
<ListBox.Items>
<ItemsPanelTemplate>
<StackPanel Orientation="Horizontal">
<TextBlock Text="{Binding Path=InvoiceId}" />
<TextBlock Text="{Binding Path=Amount}" />
<TextBlock Text="{Binding Path=InvoiceDate}" />
</StackPanel>
</ItemsPanelTemplate>
</ListBox.Items>
</ListBox>
D. <ListBox x:Name="InvoiceListBox">
<ListBox.ItemTemplate>
<DataTemplate>
<StackPanel Orientation="Horizontal">
<TextBlock Text="{Binding Path=InvoiceId}" />
<TextBlock Text="{Binding Path=Amount}" />
<TextBlock Text="{Binding Path=InvoiceDate}" />
</StackPanel>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
Answer: D
Microsoft 070-506-VB examen certification 070-506-VB
NO.5 You are developing a Silverlight 4 application.
The application contains an XAML page that defines the following Grid control.
<Grid Name="gridBody" >
<Grid.RowDefinitions>
<RowDefinition />
<RowDefinition />
</Grid.RowDefinitions>
<TextBlock Text="Employee Info" />
<TextBlock Text="Please enter employee info" Grid.Row="1" Height="20" VerticalAlignment="Top" />
<TextBox x:Name="EmpInfo" Grid.Row="1" Margin="0,25,0,0" TextWrapping="Wrap" />
...
</Grid>
The code-behind file for myPage.xaml contains the following code segment. (Line numbers are included
for reference only.)
01 Public Sub New()
02 InitializeComponent()
03
04 Dim control As UserControl = New MyCustomControl()
05
06 End Sub
You need to replace the contents of the second row of gridBody with a user control of the
MyCustomControl type.
Which code segment should you insert at line 05?
A. gridBody.Children.Insert(1, control)
B. gridBody.RowDefinitions.Remove(gridBody.RowDefinitions(1))
gridBody.Children.Insert(1, control)
C. gridBody.RowDefinitions.Remove(gridBody.RowDefinitions(1))
gridBody.Children.Insert(1, control)
gridBody.Children.Clear()
Grid.SetRow(control, 1)
gridBody.Children.Add(control)
D. gridBody.RowDefinitions.Remove(gridBody.RowDefinitions(1))
gridBody.Children.Insert(1, control)
gridBody.Children.Clear()
Grid.SetRow(control, 1)
gridBody.Children.Add(control)
Answer: D
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NO.6 statusTextBlock.Text = Convert.ToString(e.ProgressPercentage) & "%"
NO.7 End Sub
NO.8 You are developing a Silverlight 4 application.
The application defines the following three event handlers. (Line numbers are included for reference only.)
01 Private Sub HandleCheck(sender As Object, e As RoutedEventArgs)
02 MessageBox.Show("Checked")
03 End Sub
04
05 Private Sub HandleUnchecked(sender As Object, e As RoutedEventArgs)
06 MessageBox.Show("Unchecked")
07 End Sub
08
09 Private Sub HandleThirdState(sender As Object, e As RoutedEventArgs)
10 MessageBox.Show("Indeterminate")
11 End Sub
You need to allow a check box that can be selected, cleared, or set to Indeterminate. You also need to
ensure that the event handlers are invoked when the user changes the state of the control.
Which XAML fragment should you use?
A. <CheckBox x:Name="cb2" Content="Three State CheckBox"
IsChecked="True" Checked="HandleCheck"
Indeterminate="HandleUnchecked" Unchecked="HandleUnchecked" />
B. <CheckBox x:Name="cb2" Content="Three State CheckBox"
IsThreeState="True" Checked="HandleCheck"
Indeterminate="HandleThirdState" Unchecked="HandleUnchecked" />
C. <CheckBox x:Name="cb2" Content="Three State CheckBox"
IsHitTestVisible="True" Checked="HandleCheck"
Indeterminate="HandleThirdState" Unchecked="HandleUnchecked" />
D. <CheckBox x:Name="cb2" Content="Three State CheckBox"
IsEnabled="True" Checked="HandleCheck"
Indeterminate="HandleUnchecked" Unchecked="HandleUnchecked" />
Answer: B
Microsoft examen certification 070-506-VB 070-506-VB 070-506-VB examen
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