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WPF Online Test

Topics Covered

  • Controls
  • Data Binding Documents in WPF
  • Graphics and Multimedia
  • Security (WPF)WPF Globalization and Localization Overview
  • Input and Commanding
  • Layout

Useful for hiring

  • WPF Developer
  • .Net Developer- WPF
  • .Net Programmer- WPF

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Global Product & Services Recruitment Head
Question

How do you create Password field whose length should be 8 characters?

Answer
    • <StackPanel>
          <Label Content="Password:" />
          <PasswordBox x:Name="passwordBox" Width="130" MaxLength="8" PasswordChar="*" />
      </StackPanel>

    • <StackPanel>
          <Label Content="Password:" />
          <PasswordBox x:Name="passwordBox" Width="130" Length="8" Char="*" />
      </StackPanel>

    • <StackPanel>
          <Label Content="Password:" />
          <Password x:Name="passwordBox" Width="130" MaxLength="8" Password="*" />
      </StackPanel>

    • None of the mentioned

Question

You want to change the line height within a TextBlock to 25px. Which code snippet will you use?

Answer
    • <TextBlock Text="This is a multiline text." LineHeight="25px" />

    • <TextBlock Text="This is a multiline text." LineHeight="25" />

    • <TextBlock Text="This is a multiline text." LineHeight="25" LineStackingStrategy="BlockLineHeight" />

    • None of the mentioned

Question

Visibility (defined on IElement) might sound like a strange property to talk about in the context of a layout,but it is indeed relevant. An element's visibility property actually isn't Boolean, but rather a three­state System.Windows.visibility enumeration. One of Its value is Collapsed. What is the meaning of this value?

Answer
    • The element is invisible yet still participates in a layout.

    • The element is invisible and does not participate in layout

    • The element gets rendered and participates in the layout.

    • None of the mentioned

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