Microsoft
70-511 · Question #125
70-511 Question #125: Real Exam Question with Answer & Explanation
The correct answer is D. Private Sub StackPanel_PreviewTextInput(sender As Ctoject, e As. See the full explanation below for the reasoning.
Question
You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You write the following code fragment. <StackPanel TextBox.PceviewTextInput="StackPanel_PreviewTextInput"> <TextBox Name="TxtBoxA"/> <TextBox Name="TxtBoxB"/> <TextBox Naroe="TxtBoxC"/> </StackPanel> You create an event handler named StackPanel_PreviewTextInput. You also have a collection of strings named Keywords. You need to ensure that TxtBoxA and TxtBoxB do not contain any of the strings in the Keywords collections. Which code segment should you use?
Options
- APrivate Sub StackPanel_PreviewTextInput(sender As Ctoject, e As
- BPrivate Sub StackPanel_PreviewTextInput(sender As Object e As
- CPrivate Sub StackPanel_PreviewTextInput(sender As Object, e As
- DPrivate Sub StackPanel_PreviewTextInput(sender As Ctoject, e As
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