Visual Programming MCQs with Answers
Practice important Visual Programming MCQs with answers and explanations.
Multiple Choice Questions
Q341: What does the x:Class attribute in XAML specify?
- A: The class that will be used for the code-behind file.
- B: The type of XAML element being defined.
- C: The default style for the element.
- D: The namespace for XAML elements.
View Answer
A
Q342: What is the main purpose of the x:Uid attribute in XAML?
- A: It provides a unique identifier for localization.
- B: It sets the type of the element.
- C: It defines the visibility of the element.
- D: It references external resources.
View Answer
A
Q343: What is a key feature of dependency properties in WPF?
- A: Change notification
- B: Static value assignment
- C: Direct binding to data sources
- D: Unchanging values
View Answer
A
Q344: What is required to create a dependency property in WPF?
- A: Use DependencyProperty.Register method.
- B: Create a property with a public modifier only.
- C: Implement INotifyPropertyChanged interface.
- D: Use standard .NET property conventions.
View Answer
A
Q345: What method is used to retrieve the value of a dependency property in WPF?
- A: GetValue
- B: GetProperty
- C: RetrieveValue
- D: ReadValue
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A
Q346: Which method is used to set the value of a dependency property in WPF?
- A: SetValue
- B: SetProperty
- C: AssignValue
- D: UpdateValue
View Answer
A
Q347: How can you define custom logic for when a dependency property changes?
- A: By implementing a property changed callback.
- B: By using the SetValue method directly.
- C: By creating a new .NET property wrapper.
- D: By modifying the property in XAML.
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A
Q348: What is the purpose of the DependencyPropertyHelper.GetValueSource method?
- A: To determine the source of the current value of a dependency property.
- B: To set a new value for a dependency property.
- C: To validate the value of a dependency property.
- D: To animate the value of a dependency property.
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A
Q349: What is the typical use of attached properties in WPF?
- A: To attach properties to arbitrary objects, not just the owning element.
- B: To define properties that only apply to custom controls.
- C: To add additional visual effects to elements.
- D: To support data binding with custom properties.
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A
Q350: Which property type allows properties to be inherited in WPF?
- A: Dependency properties
- B: Standard .NET properties
- C: Private fields
- D: Static properties
View Answer
A