Free Microsoft 70-511 Exam Dumps Questions & Answers

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.
You add a ListBox control to the application. The ListBox control is data-bound to an instance of a custom collection class of the Product objects named ProductList.
The number of items of the data-bound collection is fixed. However, users can modify the properties of each of the Product objects in the collection.
You need to ensure that changes made on the Product objects are automatically reflected in the ListBox control.
What should you do?

• A.  Set the UpdateSourceTrigger property of the Binding object of the ListBox control to PropertyChanged.
• B.  Implement the INotifyCollectionChanged interface in the ProductList class.
• C.  Implement the INotifyPropertyChanged interface in the Product class.
• D.  Set the Mode property of the Binding object of the ListBox control to TwoWay.

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

You add the following code fragment within a WPF window control.

The TextBox control is data-bound to an instance of the Contact class.
You need to ensure that the Contact class contains a business rule to ensure that the ContactName property is not empty or NULL. You also need to ensure that the TextBox control validates the input data.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two).

• A.  Option D
• B.  Option B
• C.  Option C
• D.  Option 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.)
01 <Canvas>
02 <Rectangle Stroke="Red" Stroke Thickness="5" Height="60"
03 Width-"60" Canvas. Leftoff Canvas.Top-"100"> 04
05 </Rectangle>
06 </Canvas>
You need to rotate the rectangle by 45 degrees by using its upper-left corner as the axis.
Which code fragment should you insert at line 04?

• A.  <Rectangle.LayoutTransform>
  <RotateTransforro Angle="45" CenterX="100"
  CenterY="100"/></Rectangle.LayoutTransform>
• B.  <Rectangle.RenderTransforro>
  <RotateTransform Angle="45" CenterX="0" CenterY=rf0" /></Rectangle.RenderTransform>
• C.  <Rectangle.RenderTransform>
  <RotateTransform Angle="45" CenterX="100" CenterY="100"
  /></Reccangle.RenderTransform>
• D.  <Rectangle.LayoutTransform>
  <RotateTransform Angle="45" CenterX="0" CenterY-"0"/>
  </Rectangle.LayoutTransform>

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.
You add a ListBox control to the application. The ListBox control is data-bound to an instance of a custom collection class of the Product objects named ProductList.
You need to ensure that changes to ProductList are automatically reflected in the ListBox control.
What should you do?

• A.  Extend the ObservableCollection<Product> class in the ProductList class.
• B.  Extend the DependencyObject class in the Product class.
• C.  Implement the IQueryable<Product> interface in the ProductList class.
• D.  Implement the INotifyPropertyChanged interface in the Product class.

You are developing a Windows Presentation Foundation (WPF) application. You are writing data templates for a calendar.
You must use the Weekend template for weekends and the Weekday template for weekdays. The Window markup is as follows. (Line numbers are included for reference only.)

You need to ensure that the Weekend and Weekday templates are applied correctly to the ListBox control.
Which markup segment should you insert at line 11?

• A.  <ListBox ItemTemplate="{Binding WeekendSelector} "/>
• B.  <ListBox ItemTemplate="{StaticResource WeekendSelector} "/>
• C.  <ListBox ItemTemplateSelector="{Binding WeekendSelector}"/>
• D.  <ListBox ItemTemplateSelector="{StaticResource WeekendSelector}"/>