Microsoft
70-511 · Question #181
70-511 Question #181: Real Exam Question with Answer & Explanation
The correct answer is B. <HierarchicalDataTemplate x:Key="OrderTemplate". See the full explanation below for the reasoning.
Question
You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You add a TreeView control to show the hierarchical structure of orders and order details. Each order contains an ObservableCollection named OrderDetails. You write the following code fragment. (Line numbers are included for reference only.) You need to ensure that the TreeView control meets the following requirements: - Each order is shown as a TreeView node. - The order nodes have order detail nodes as children. - The order detail nodes have no children. Which code fragment should you insert at line 07?
Exhibit
Options
- A<HierarchicalDataTemplate x:Key="OrderTemplate" DataType="Order"
- B<HierarchicalDataTemplate x:Key="OrderTemplate"
- C<HierarchicalDataTemplate x : Key== "Order Temp late"
- D<HierarchicalDataTemplate x:Key="OrderTemplate"
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