XAML MCQs and Answers with Explanation: Are you searching for XAML Multiple Choice Questions to improve your knowledge of XAML? If so, make use of these XAML MCQ Questions to gain an understanding of the concept of XAML. XAML, which stands for Extensible Application Markup Language, is a declarative markup language used to create user interfaces for various applications, including Windows Presentation Foundation (WPF), Universal Windows Platform (UWP), and Xamarin.Forms. With XAML, developers can separate the user interface design from the application logic, enabling more efficient development and easier maintenance of the code.
XAML MCQ Questions with Answers
To assess your knowledge of XAML and its applications, we present a set of XAML MCQs that cover fundamental concepts and advanced techniques. Each question is followed by a clear and concise explanation of the correct answer, enabling you to improve your understanding of this powerful markup language. So, let’s dive in and test your XAML proficiency!
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XAML Multiple Choice Questions
| Name | XAML |
| Exam Type | MCQ (Multiple Choice Questions) |
| Category | Technical Quiz |
| Mode of Quiz | Online |
Top 45 XAML MCQ Questions | XAML Quiz
1. What does XAML stand for?
a) eXtensible Application Markup Language
b) eXtensible Markup Application Language
c) eXtensible Markup Assertion Language
d) eXpandable Markup Application Language
Answer: a) eXtensible Application Markup Language.
Explanation: XAML is a declarative language used to define user interfaces in Microsoft .NET applications.
2. Which of the following is not a valid XAML element?
a) <Grid>
b) <TextBlock>
c) <Rectangle>
d) <Code>
Answer: d) <Code>.
Explanation: The <Code> element is not a valid XAML element.
3. What is the purpose of the x:Name attribute in XAML?
a) It assigns a unique identifier to an element.
b) It specifies the type of an element.
c) It defines the visual appearance of an element.
d) It sets the position of an element on the screen.
Answer: a) It assigns a unique identifier to an element.
Explanation: The x:Name attribute is used to assign a unique identifier to an element so that it can be referenced in code-behind)
4. Which of the following is the correct syntax for setting the background color of a Button element in XAML?
a) <Button Background=”Red”>
b) <Button Style=”Background: Red;”>
c) <Button.Background>Red</Button.Background>
d) <Button Style=”{Background: Red;}”>
Answer: a) <Button Background=”Red”>.
Explanation: The correct syntax for setting the background color of a Button element in XAML is to use the Background property.
5. What is the purpose of the x:Class attribute in XAML?
a) It specifies the name of the XAML file.
b) It sets the default namespace for the XAML file.
c) It defines the class name for the generated code-behind file.
d) It assigns a unique identifier to an element.
Answer: c) It defines the class name for the generated code-behind file.
Explanation: The x:Class attribute is used to specify the name of the class that is generated for the XAML file in the code-behind file.
6. Which of the following is the correct syntax for setting the font size of a TextBlock element in XAML?
a) <TextBlock FontSize=”12″>
b) <TextBlock Style=”FontSize: 12;”>
c) <TextBlock.FontSize>12</TextBlock.FontSize>
d) <TextBlock Style=”{FontSize: 12;}”>
Answer: a) <TextBlock FontSize=”12″>.
Explanation: The correct syntax for setting the font size of a TextBlock element in XAML is to use the FontSize property.
7. What is the purpose of the x:DataType attribute in XAML?
a) It specifies the type of an element.
b) It assigns a unique identifier to an element.
c) It sets the default namespace for the XAML file.
d) It defines the type of data that an element represents.
Answer: d) It defines the type of data that an element represents.
Explanation: The x:DataType attribute is used to define the type of data that an element represents, such as a string, integer, or date.
8. Which of the following is the correct syntax for setting the foreground color of a TextBox element in XAML?
a) <TextBox Foreground=”Blue”>
b) <TextBox Style=”Foreground: Blue;”>
c) <TextBox.Foreground>Blue</TextBox.Foreground>
d) <TextBox Style=”{Foreground: Blue;}”>
Answer: a) <TextBox Foreground=”Blue”>.
Explanation: The correct syntax for setting the foreground color of a TextBox element in XAML is to use the Foreground property.
9. Which of the following is not a valid XAML namespace prefix?
a) x
b) d
c) mc
d) y
Answer: d) y.
Explanation: The namespace prefixes x, d, and mc are commonly used in XAML, but y is not a valid namespace prefix.
10. What is the purpose of the x:Bind attribute in XAML?
a) It sets the binding mode for a data binding expression.
b) It specifies the path to the data source for a data binding expression.
c) It creates a two-way binding between the UI element and the data source.
d) It creates a compiled binding expression that provides better performance.
Answer: d) It creates a compiled binding expression that provides better performance.
Explanation: The x:Bind attribute is used to create a compiled binding expression that provides better performance compared to traditional data binding expressions.
11. Which of the following is the correct syntax for setting the margin of a StackPanel element in XAML?
a) <StackPanel Margin=”10,20,30,40″>
b) <StackPanel Style=”Margin: 10 20 30 40;”>
c) <StackPanel.Margin>10,20,30,40</StackPanel.Margin>
d) <StackPanel Style=”{Margin: 10 20 30 40;}”>
Answer: a) <StackPanel Margin=”10,20,30,40″>.
Explanation: The correct syntax for setting the margin of a StackPanel element in XAML is to use the Margin property.
12. What is the purpose of the x:Static attribute in XAML?
a) It specifies a static method or property that can be called from XAML.
b) It creates a static resource that can be used by multiple elements.
c) It defines a static style that can be applied to multiple elements.
d) It sets a static value for an element.
Answer: a) It specifies a static method or property that can be called from XAML.
Explanation: The x:Static attribute is used to specify a static method or property that can be called from XAML, such as a static property of a class.
13. Which of the following is the correct syntax for setting the alignment of a TextBlock element in XAML?
a) <TextBlock HorizontalAlignment=”Center”>
b) <TextBlock Style=”HorizontalAlignment: Center;”>
c) <TextBlock.HorizontalAlignment>Center</TextBlock.HorizontalAlignment>
d) <TextBlock Style=”{HorizontalAlignment: Center;}”>
Answer: a) <TextBlock HorizontalAlignment=”Center”>.
Explanation: The correct syntax for setting the alignment of a TextBlock element in XAML is to use the HorizontalAlignment property.
14. What is the purpose of the x:Key attribute in XAML?
a) It specifies a unique identifier for a resource.
b) It defines a data template for a data-bound element.
c) It sets the default value for a dependency property.
d) It assigns a unique identifier to an element.
Answer: a) It specifies a unique identifier for a resource.
Explanation: The x:Key attribute is used to specify a unique identifier for a resource that can be referenced by other elements in XAML.
15. Which of the following is not a valid XAML data type?
a) Boolean
b) Double
c) Object
d) Array
Answer: d) Array.
Explanation: Arrays are not valid XAML data types, but collections such as List and ObservableCollection can be used instead)
16. Which of the following is the correct syntax for setting the font size of a TextBox element in XAML?
a) <TextBox FontSize=”14″>
b) <TextBox Style=”FontSize: 14;”>
c) <TextBox.FontSize>14</TextBox.FontSize>
d) <TextBox Style=”{FontSize: 14;}”>
Answer: a) <TextBox FontSize=”14″>.
Explanation: The correct syntax for setting the font size of a TextBox element in XAML is to use the FontSize property.
17. What is the purpose of the x:TypeArguments attribute in XAML?
a) It specifies the type of an element in XAML.
b) It defines the type of a generic class or method in XAML.
c) It sets the type of a dependency property in XAML.
d) It assigns the type of data source in XAML.
Answer: b) It defines the type of a generic class or method in XAML.
Explanation: The x:TypeArguments attribute is used to define the type of a generic class or method in XAML, such as a generic ObservableCollection.
18. Which of the following is the correct syntax for setting the background color of a Grid element in XAML?
a) <Grid Background=”Red”>
b) <Grid Style=”Background: Red;”>
c) <Grid)Background>Red</Grid)Background>
d) <Grid Style=”{Background: Red;}”>
Answer: a) <Grid Background=”Red”>.
Explanation: The correct syntax for setting the background color of a Grid element in XAML is to use the Background property.
19. What is the purpose of the x:Shared attribute in XAML?
a) It specifies whether a resource can be shared between multiple elements.
b) It sets the default value for a dependency property.
c) It creates a shared instance of an element.
d) It assigns a unique identifier to a shared resource.
Answer: a) It specifies whether a resource can be shared between multiple elements.
Explanation: The x:Shared attribute is used to specify whether a resource can be shared between multiple elements in XAML.
20. What is the difference between a DataTemplate and a ControlTemplate in XAML?
a) A DataTemplate is used to define the appearance of data-bound elements, while a ControlTemplate is used to define the appearance of custom controls.
b) A DataTemplate is used to define the appearance of custom controls, while a ControlTemplate is used to define the appearance of data-bound elements
c) A DataTemplate is used to define the appearance of a specific data type, while a ControlTemplate is used to define the appearance of a specific control type.
d) A DataTemplate and a ControlTemplate are interchangeable terms in XAML.
Answer: a) A DataTemplate is used to define the appearance of data-bound elements, while a ControlTemplate is used to define the appearance of custom controls.
Explanation: A DataTemplate is used to define the appearance of data-bound elements such as ListBox items or TreeView nodes, while a ControlTemplate is used to define the appearance of custom controls such as Buttons or TextBoxes.
21. Which of the following is the correct syntax for setting the horizontal alignment of a StackPanel element in XAML?
a) <StackPanel HorizontalAlignment=”Left”>
b) <StackPanel Style=”HorizontalAlignment: Left;”>
c) <StackPanel.HorizontalAlignment>Left</StackPanel.HorizontalAlignment>
d) <StackPanel Style=”{HorizontalAlignment: Left;}”>
Answer: a) <StackPanel HorizontalAlignment=”Left”>.
Explanation: The correct syntax for setting the horizontal alignment of a StackPanel element in XAML is to use the HorizontalAlignment property.
22. What is the purpose of the ContentPresenter element in XAML?
a) It is used to display the content of a control template.
b) It defines the appearance of a custom control.
c) It is used to bind the content of an element to a data source.
d) It sets the default content for a dependency property.
Answer: a) It is used to display the content of a control template.
Explanation: The ContentPresenter element is used in a control template to display the content of the control, which is typically set using the Content property.
23. Which of the following is the correct syntax for setting the foreground color of a Button element in XAML?
a) <Button Foreground=”Red”>
b) <Button Style=”Foreground: Red;”>
c) <Button.Foreground>Red</Button.Foreground>
d) <Button Style=”{Foreground: Red;}”>
Answer: a) <Button Foreground=”Red”>.
Explanation: The correct syntax for setting the foreground color of a Button element in XAML is to use the Foreground property.
24. Which of the following is the correct syntax for setting the border thickness of a Border element in XAML?
a) <Border BorderThickness=”2″>
b) <Border Style=”BorderThickness: 2;”>
c) <Border.BorderThickness>2</Border.BorderThickness>
d) <Border Style=”{BorderThickness: 2;}”>
Answer: a) <Border BorderThickness=”2″>.
Explanation: The correct syntax for setting the border thickness of a Border element in XAML is to use the BorderThickness property.
25. Which of the following is the correct syntax for defining a style in XAML?
a) <Style TargetType=”Button”>
b) <Button.Style>
c) <Style x:Key=”ButtonStyle”>
d) <Button x:Style=”ButtonStyle”>
Answer: a) <Style TargetType=”Button”>.
Explanation: The correct syntax for defining a style in XAML is to use the Style element with the TargetType attribute set to the type of control that the style will be applied to.
26. Which of the following is the correct syntax for setting the foreground color of a TextBlock element in XAML?
a) <TextBlock Foreground=”Blue”>
b) <TextBlock Style=”Foreground: Blue;”>
c) <TextBlock.Foreground>Blue</TextBlock.Foreground>
d) <TextBlock Style=”{Foreground: Blue;}”>
Answer: a) <TextBlock Foreground=”Blue”>.
Explanation: The correct syntax for setting the foreground color of a TextBlock element in XAML is to use the Foreground property.
27. What is the purpose of the x:Uid attribute in XAML?
a) It is used to set the unique identifier of an element.
b) It is used to define a binding expression in XAML.
c) It is used to provide a unique identifier for localization.
d) It is used to define a named resource in XAML.
Answer: c) It is used to provide a unique identifier for localization.
Explanation: The x:Uid attribute is used to provide a unique identifier for localization, which is used by the localization tools to identify the strings that need to be translated)
28. Which of the following is the correct syntax for setting the height of a Button element in XAML?
a) <Button Height=”30″>
b) <Button Style=”Height: 30;”>
c) <Button.Height>30</Button.Height>
d) <Button Style=”{Height: 30;}”>
Answer: a) <Button Height=”30″>.
Explanation: The correct syntax for setting the height of a Button element in XAML is to use the Height property.
29. Which of the following is the correct syntax for setting the width of a TextBox element in XAML?
a) <TextBox Width=”100″>
b) <TextBox Style=”Width: 100;”>
c) <TextBox.Width>100</TextBox.Width>
d) <TextBox Style=”{Width: 100;}”>
Answer: a) <TextBox Width=”100″>.
Explanation: The correct syntax for setting the width of a TextBox element in XAML is to use the Width property.
30. Which of the following is the correct syntax for setting the font size of a Label element in XAML?
a) <Label FontSize=”14″>
b) <Label Style=”FontSize: 14;”>
c) <Label.FontSize>14</Label.FontSize>
d) <Label Style=”{FontSize: 14;}”>
Answer: a) <Label FontSize=”14″>.
Explanation: The correct syntax for setting the font size of a Label element in XAML is to use the FontSize property.
31. Which of the following is the correct syntax for setting the font family of a TextBlock element in XAML?
a) <TextBlock FontFamily=”Arial”>
b) <TextBlock Style=”FontFamily: Arial;”>
c) <TextBlock.FontFamily>Arial</TextBlock.FontFamily>
d) <TextBlock Style=”{FontFamily: Arial;}”>
Answer: a) <TextBlock FontFamily=”Arial”>.
Explanation: The correct syntax for setting the font family of a TextBlock element in XAML is to use the FontFamily property.
32. Which of the following is the correct syntax for setting the content of a Button element in XAML?
a) <Button Content=”Click me”>
b) <Button Text=”Click me”>
c) <Button.Content>Click me</Button.Content>
d) <Button TextBlock=”Click me”>
Answer: a) <Button Content=”Click me”>.
Explanation: The correct syntax for setting the content of a Button element in XAML is to use the Content property.
33. Which of the following is the correct syntax for setting the text alignment of a TextBox element in XAML?
a) <TextBox TextAlignment=”Center”>
b) <TextBox Style=”TextAlignment: Center;”>
c) <TextBox.TextAlignment>Center</TextBox.TextAlignment>
d) <TextBox Style=”{TextAlignment: Center;}”>
Answer: a) <TextBox TextAlignment=”Center”>.
Explanation: The correct syntax for setting the text alignment of a TextBox element in XAML is to use the TextAlignment property.
34. What is the purpose of the x:ClassModifier attribute in XAML?
a) It is used to specify the class name of a XAML file.
b) It is used to set the build action of a XAML file.
c) It is used to set the access level of the generated class.
d) It is used to specify the type of an element.
Answer: c) It is used to set the access level of the generated class.
Explanation: The x:ClassModifier attribute is used to set the access level of the generated class, which can be public, internal, or private.
35. Which of the following is the correct syntax for binding a property of a control to a property of a data source in XAML?
a) <TextBlock Text=”{Binding Path=FirstName}” />
b) <TextBlock Binding=”FirstName” />
c) <TextBlock Text=”{Binding FirstName}” />
d) <TextBlock Path=”FirstName” />
Answer: c) <TextBlock Text=”{Binding FirstName}” />
Explanation: The correct syntax for binding a property of a control to a property of a data source in XAML is to use the Binding markup extension with the property path specified as Path=PropertyName.
36. Which of the following is the correct syntax for setting the margin of a control in XAML?
a) <Button Margin=”10″ />
b) <Button Style=”Margin: 10;” />
c) <Button Margin=”10, 20, 10, 20″ />
d) <Button Style=”{Margin: 10;}” />
Answer: c) <Button Margin=”10, 20, 10, 20″ />
Explanation: The correct syntax for setting the margin of a control in XAML is to use the Margin property with the value specified as four comma-separated values for left, top, right, and bottom margins.
37. Which of the following is the correct syntax for setting the font size of a control in XAML?
a) <TextBlock FontSize=”14″ />
b) <TextBlock Style=”FontSize: 14;” />
c) <TextBlock Font.Size=”14″ />
d) <TextBlock Style=”{FontSize: 14;}” />
Answer: a) <TextBlock FontSize=”14″ />
Explanation: The correct syntax for setting the font size of a control in XAML is to use the FontSize property with the value specified as a number representing the font size in device-independent units.
38. Which of the following is the correct syntax for setting the height of a control in XAML?
a) <Button Height=”50″ />
b) <Button Style=”Height: 50;” />
c) <Button Height=”Auto” />
d) <Button Style=”{Height: 50;}” />
Answer: a) <Button Height=”50″ />
Explanation: The correct syntax for setting the height of a control in XAML is to use the Height property with the value specified as a number representing the height in device-independent units.
39. What is the purpose of the x:Arguments attribute in XAML?
a) It is used to specify constructor arguments for a custom control.
b) It is used to set the build action of a XAML file.
c) It is used to specify the input parameters for a command binding.
d) It is used to set the default value for a dependency property.
Answer: a) It is used to specify constructor arguments for a custom control.
Explanation: The x:Arguments attribute is used to specify constructor arguments for a custom control, which can be used to provide initial values for properties of the control.
40. What is the purpose of the x:FactoryMethod attribute in XAML?
a) It is used to specify the method that creates an instance of a custom control.
b) It is used to set the build action of a XAML file.
c) It is used to specify the default value for a dependency property.
d) It is used to specify the input parameters for a command binding.
Answer: a) It is used to specify the method that creates an instance of a custom control.
Explanation: The x:FactoryMethod attribute is used to specify the name of the method that creates an instance of a custom control, which can be useful when the control’s constructor is not public or when the control requires additional initialization.
41. Which of the following is the correct syntax for creating a new instance of a custom control in XAML?
a) <local:MyControl />
b) <MyControl />
c) <Control Type=”MyControl” />
d) <New Control=”MyControl” />
Answer: a) <local:MyControl />
Explanation: The correct syntax for creating a new instance of a custom control in XAML is to use the namespace prefix followed by the control name, enclosed in angle brackets.
42. Which of the following is the correct syntax for setting the content of a Button control in XAML?
a) <Button Text=”Click Me” />
b) <Button Content=”Click Me” />
c) <Button Value=”Click Me” />
d) <Button Style=”{Content: Click Me;}” />
Answer: b) <Button Content=”Click Me” />
Explanation: The correct syntax for setting the content of a Button control in XAML is to use the Content property, which can contain any XAML content.
43. Which of the following is the correct syntax for creating a data template for a ListBox control in XAML?
a) <ListBox>
<DataTemplate>
…
</DataTemplate>
</ListBox>
b) <DataTemplate>
<ListBox>
…
</ListBox>
</DataTemplate>
c) <ListBox.ItemTemplate>
<DataTemplate>
…
</DataTemplate>
</ListBox.ItemTemplate>
d) <DataTemplate>
<ItemTemplate>
…
</ItemTemplate>
</DataTemplate>
Answer: c) <ListBox.ItemTemplate>
<DataTemplate>
…
</DataTemplate>
</ListBox.ItemTemplate>
Explanation: The correct syntax for creating a data template for a ListBox control in XAML is to use the ItemTemplate property of the ListBox, which can contain a DataTemplate element.
44. Which of the following is the correct syntax for binding a ListBox control to a collection property of a data source in XAML?
a) <ListBox ItemsSource=”{Binding Path=Customers}” />
b) <ListBox Items=”{Binding Path=Customers}” />
c) <ListBox Items=”{Customers}” />
d) <ListBox ItemsSource=”{Customers}” />
Answer: a) <ListBox ItemsSource=”{Binding Path=Customers}” />
Explanation: The correct syntax for binding a ListBox control to a collection property of a data source in XAML is to use the ItemsSource property with the value specified as a binding expression with the property path specified as Path=PropertyName.
45. Which of the following is the correct syntax for setting the orientation of a StackPanel control in XAML?
a) <StackPanel Orientation=”Horizontal” />
b) <StackPanel Style=”Orientation: Horizontal;” />
c) <StackPanel.Horizontal />
d) <StackPanel Style=”{Orientation: Horizontal;}” />
Answer: a) <StackPanel Orientation=”Horizontal” />
Explanation: The correct syntax for setting the orientation of a StackPanel control in XAML is to use the Orientation property with the value specified as either “Horizontal” or “Vertical”.
At last, XAML is a powerful markup language that enables developers to create user interfaces for various applications in a declarative manner. By testing your knowledge with the presented XAML Online Test/ XAML Quiz and their answers, you can enhance your XAML skills and be better equipped to design beautiful and functional interfaces for your applications. Candidates are advised to keep following us Freshersnow for more Technical quizzes. Thank You!!