You plan to create a Windows Presentation Foundation (WPF) user control.
You need to create a WPF user control that contains 12 areas that are identical in size.
The solution must meet the following requirements:
- Ensure that if the control is resized, the relative size of the areas will remain the same. - Minimize development effort.
Which control should you use?

• A. WrapPanel
• B. Viewbox
• C. StackPanel
• D. UniformGrid
• E. DockPanel

You use Microsoft .NET Framework 4 to create a Windows Forms application. You have a dataset as shown in the following exhibit.

---
You plan to add a DataGridView to display the dataset.
You need to ensure that the DataGridView meets the following requirements:
Shows Order Details for the selected order. Shows only Order Details for items that have UnitPrice greater than 20 Sorts Products by ProductName
Which code segment should you use?

• A. order DetailsBindingSource.DataSource = ordersBindingSource; order_DetailsBindingSource.DataMember = "FK_Order_Details_Orders". order_DetailsBindingSource .Filter = "UnitPrice > 20"; productsBindingSource.Sort "ProductName"; C
• B. order_DetailsDataGridViev.DataSource = ordersBindingSource; order_DetailsBindingSource.Filter = "UnitPrice > 20"; productsBindingSource.Sort "ProductName";
• C. productsDataGridView.DataSource = ordersBindingSource; productsBindingSource.Filter = "UnitPrice > 20"; productsBindingSource.Sort = "ProductName";
• D. ordersBindingSource.DataSource = producxsBindingSource; ordersBindingSource.DataMember = "FK_Order_Details_Products"; productsBindingSource.Filter = "UnitPrice > 20"; productsBindingSource.Sort = ProductName";

You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application.
The application contains a set of Button controls.
You need to ensure that any button that contains no content is highlighted when the mouse pointer is located over it.
Which code fragment should you use?

• A. < Style TargetType="{x:Type Button}" >
  ...
  < Setter Property="Background" Value="Yellow" / >
  < Style.Triggers >
  < MultiTrigger >
  < MultiTrigger.Conditions >
  < Condition Property="IsMouseOver" Value="True" /
  < Condition Property="Content" Value="{x:Null}" /
  < /MultiTrigger.Conditions >
  < /MultiTrigger >
  < /Style.Triggers >
  < /Style >
• B. < Style TargetType="{x:Type Button}" >
  ...
  < Style.Triggers >
  < Trigger Property="IsMouseOver" Value="True" >
  < Setter Property="Background" Value="Yellow" / >
  < /Trigger >
  < Trigger Property="Content" Value="{ x :Null} " >
  < Setter Property="Background" Value="Yellow" / >
  < /Trigger >
  < /Style.Triggers >
  </Style >
• C. <Style TargetType="{x:Type Button)" >
  ...
  < Style.Triggers >
  < Trigger Property="IsMouseOver" Value="True" >
  < Setter Property="Background" Value="Yellow" / >
  < /Trigger >
  < Trigger Property="Content" Value="Empty" >
  < Setter Property="Background" Value="Yellow" / >
  < /Trigger >
  < /Style.Triggers >
  </Style >
• D. < Style TargetType="{x:Type Button)" >
  ...
  < Setter Property="Background" Value="Yellow" />
  < Style.Triggers >
  < MultiTrigger >
  < MultiTrigger.Conditions >
  < Condition Property="IsHouseOver" Value="True" />
  < Condition Property="Content" Value="Empty" / >
  < /MultiTrigger.Conditions >
  < /MultiTrigger >
  < /Style.Triggers >
  </Style >

You are developing a Windows Presentation Foundation (WPF) application. You use the following markup segment to add a Button control to the design surface of the MainWindow.xaml file.

You add the following code segment to the code-behind file for HainWindow.

The application will be deployed in an environment that requires alternate key mappings.
You need to remove the CTRL+ C input gesture and replace it with the ALT+ C input gesture.
What should you do?

• A. Option A
• B. Option B
• C. Option D
• D. Option C