Visual Programming MCQs with Answers
Practice important Visual Programming MCQs with answers and explanations.
Multiple Choice Questions
Q321: What is the purpose of the x:Reference markup extension in XAML?
- A: It allows referencing elements by name within the same XAML scope.
- B: It sets the reference to an external resource or assembly.
- C: It binds a property to an external data source.
- D: It specifies a type converter for a property.
View Answer
A
Q322: What is a key difference between x:Name and x:Reference in XAML?
- A: x:Name assigns a name to an element for reference in code, while x:Reference is used for referencing elements in XAML.
- B: x:Name is used for data binding, while x:Reference is used for setting properties.
- C: x:Name is used for styling elements, while x:Reference is for specifying default values.
- D: x:Name and x:Reference are used interchangeably with no functional differences.
View Answer
A
Q323: How is a StackPanel populated with a Label and a TextBox in XAML?
- A:
- B:
- C:
- D:
View Answer
A
Q324: What does the XAML code <Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" x:Class="mynamespace.mywindow"></Window> do?
- A: It specifies the class for the XAML-defined window.
- B: It embeds the window as a resource in the assembly.
- C: It sets the namespace for the window.
- D: It defines the root element of the XAML as a Window class.
View Answer
A
Q325: What does BAML stand for?
- A: Binary Application Markup Language
- B: Basic Application Markup Language
- C: Binary Automated Markup Language
- D: Base Application Markup Language
View Answer
A
Q326: What is the primary purpose of BAML in relation to XAML?
- A: It provides a compressed representation of XAML.
- B: It is a deprecated format used before XAML.
- C: It is a type of XAML used for database applications.
- D: It is a markup language specifically for WPF controls.
View Answer
A
Q327: What is required to refer named elements in XAML code-behind?
- A: You must call InitializeComponent.
- B: You must manually parse the XAML file.
- C: You must use a special XAML parser class.
- D: You must embed code directly in the XAML file.
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A
Q328: What is the purpose of the x:Code block in XAML?
- A: It allows embedding procedural code directly in XAML.
- B: It specifies the XAML file’s metadata.
- C: It defines additional properties for XAML elements.
- D: It is used to reference external code libraries.
View Answer
A
Q329: How can BAML be converted back to XAML?
- A: Using a BAML reader and converter.
- B: Manually rewriting the XAML code.
- C: Using a special command-line tool for conversion.
- D: By copying the contents and reformatting manually.
View Answer
A
Q330: What method is used to load a XAML file into a WPF application?
- A: Application.LoadComponent
- B: XamlReader.Load
- C: XamlWriter.Save
- D: XamlParser.Parse
View Answer
A