Microsoft TS: Windows Applications Development with Microsoft .NET Framework 4 : 70-511 Exam Questions

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.
The application uses the drag-and-drop functionality.
You need to identify which enumeration member must be used to meet the following requirements:
---
Ensure that the data from the drag source can be copied. Ensure that the data from the drag source can be moved. Ensure that the target can be scrolled while you are dragging.
Which enumeration member should you identify?

• A. DragDropEffects.None
• B. DragAction.Cancel
• C. DragAction.Drop
• D. DragDropEffects.All

You are developing a Windows Presentation Foundation (WPF) application that displays pricing and inventory Information.
A list box's ItemsSource property has decimal and string types. Decimals represent price and strings represent messages such as "Discontinued"
The following markup is defined as follows. (Line numbers are included for reference only.)

You need to ensure that data templates are used to format the strings without changes and the decimals as currency.
Which markup segment should you insert at line 05?

• A. <DataTemplate x:Key="String" Template="clr:String">
  <TextBlock
  Text="{Binding StringFormat=Item Error: {0}}" />
  </DataTemplate>
  <DataTemplate x:Key="Decimal" Template="clr:Decimal ">
  <TextBlock
  Text="{Binding StringFormat=Item Price: {0:C}}" />
  </DataTemplate>
• B. <DataTemplate x:Key="clr:String">
  <TextBlock
  Text="{Binding StringFormat=Itein Error: {0}}"/>
  </DacaTeroplate>
  <DataTeroplate x:Key="clr:Decirrtal">
  <TextBlock
  Text="{Binding StringForroat=Item Price: {0:C}}" />
  </DataTemplate>
• C. <DataTemplate DataType="{x:Type clr:String} ,/>
  <TextBlock
  Text="{ Binding StringFormat=Item Error: {0}}" />
  </DataTemplate>
  <DataTemplate DataType="{x:Type clr:Decimal) ">
  <TextBlock
  Text="{Binding StringFormat=Item Price: {0:C}}" />
  </DataTemplate>
• D. <DataTemplate DataType=,clr : String">
  <TextBlock
  Text="{Binding StringFormat=Item Error: {0}}" />
  </DataTemplate>
  <DataTernplate DataType="clr: Decimal">
  <TextBlock
  Text="{Binding StringFormat=Item Price: {0: C}}" />
  </DataTemplate>

You are developing a Windows Presentation Foundation (WPF) application.
Two styles, Blue and Green, are used for Border objects. The two styles have the same values for the CornerRadius and BrushThickness properties and different values for the Background property.
You need to define the CornerRadius and BrushThickness settings in either the Blue or the Green style, but not both.
What should you do?

• A. Put Blue and Green into the same file. Put the base settings in Blue and mark Blue as BasedOn Green.
• B. Put Blue and Green into the same file. Put the base settings in Blue and mark Green as BasedOn Blue.
• C. Separate Blue and Green into two files. Put the base settings in Blue and use MergedDictionaries. Ensure that the Blue file is second in the list.
• D. Separate Blue and Green into two files. Put the base settings in Blue and use MergedDictionaries. Ensure that the Green file is second in the list.

You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a
Windows Presentation Foundation (WPF) application.
You create a WPF window in the application.
You add the following code segment to the application.

The DataContext property of the window is set to an instance of the ViewModel class. The Data property of the ViewModel instance is initialized with a collection of BusinessObject objects.
You add a TextBox control to the window.
You need to bind the Text property of the TextBox control to the Name property of the current item of the CollectionView of the DataContext object.
You also need to ensure that when a binding error occurs, the Text property of the TextBox control is set to N/A.
Which binding expression should you use?

• A. {Binding Path=Data/Name, TargetNullValue='N/A' }
• B. {Binding Path=Data.Name, TargetNullValue='N/A' }
• C. {Binding Path=Data/Name, FallbackValue='N/A' }
• D. {Binding Path=Data.Name, FallbackValue='N/A' }

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.
You write the following code fragment. (Line numbers are included for reference only)

You need to ensure that a video file begins to play only when a user clicks Play.
Which code fragment should you insert at line 06?

• A. < MediaPlayer Source="media\ numbers.wmv " Name=" myMediaElement " Width=,f450" Height="250" LoadedBehavior ="Play" UnloadedBehavior ="Stop" Stretch="FillM/>
• B. < MediaPlayer Source="media\ numbers.wmv " Name=" myMediaElement " Width="450" Height="250" LoadedBehavior ="Manual" UnloadedBehavior ="Stop" Stretch="Fill"/>
• C. < MediaElement Source="media\ numbers.wmv " Name=" myMediaElement " Width="450" Height="250" LoadedBehavior ="Manual" UnloadedBehavior -"Stop" Stretch="Fill"/>
• D. < MediaElement Source="media\ numbers.wmv " Name=" myMediaElement " Width="450" Height="250" LoadedBehavior ="Play" UnloadedBehavior ="Stop" Stretch='Till,,/>