1. C# Programming: From Problem Analysis to Program Design
Code Editor Tools
C# Programming: From Problem Analysis to Program Design
4th Edition
C# Programming: From Problem Analysis to Program Design

2. Code Snippets Templates you use to insert code
Speed up entry of common code constructs
Named with a short alias
Activate by either typing the alias, pressing the Tab key twice, or using IntelliSense menu to insert the code snippet
Pressing Ctrl+K+X activates the code snippet list
C# Programming: From Problem Analysis to Program Design

3. Code Snippets (continued)
Figure B-1 Code snippet list
C# Programming: From Problem Analysis to Program Design

4. Code Snippets (continued)
Alias for the decrementing for is forr
Figure B-2 Decrementing for statement code snippet
C# Programming: From Problem Analysis to Program Design

5. Code Snippets (continued)
Pressing Tab twice after selecting the forr alias inserts the decremeting code snippet text
Type new value for the field or press the Tab key to cycle through the editable fields
Figure B-3 Code snippet inserted into text
C# Programming: From Problem Analysis to Program Design

6. Code Snippets (continued)
Code snippets are XML files
Can create your own code snippets
File needs to end with .snippet filename extension
C# Programming: From Problem Analysis to Program Design

7. Refactoring
Modify the internal structure without changing the logic or the external behavior of the program
Use Extract Method option to create a new method from a segment of code
Code is automatically pulled out
Method Heading is created…curly braces added
Method call is automatically created
Refactor is available from EDIT menu
C# Programming: From Problem Analysis to Program Design

8. Refactoring (continued)
Figure B-5 New method name for the extracted code
C# Programming: From Problem Analysis to Program Design

9. Refactoring (continued)
Figure B-6 CalculateAverage( ) method refactored
C# Programming: From Problem Analysis to Program Design

10. Rename
Change the name of identifiers for data types, local variables, namespaces, methods, and properties
Can also change name in comments and strings
Position the cursor on the identifier you want to rename and select Rename from the EDIT, Refactor menu
Additional menu option of Rename overloads is available
C# Programming: From Problem Analysis to Program Design

11. Rename (continued) Figure B-8 Previewing rename changes
C# Programming: From Problem Analysis to Program Design

12. Other Refactoring Options
Refactor, Encapsulate Field option lets you create a property from a local variable and then update your code with references to the new property
Extract Interface
Remove Parameters
Reorder Parameters
C# Programming: From Problem Analysis to Program Design

13. Working with Class Diagrams
Right-clicking on the project in Solution Explorer window reveals the View Class Diagram option
Figure B-9 PresentationGUI class diagram
C# Programming: From Problem Analysis to Program Design

14. Class Details View
Shown under the Class Diagram in the Class Details pane
Can go directly to code by right-clicking on the diagram and selecting View Code
Figure B-10 Class Details view
C# Programming: From Problem Analysis to Program Design

15. Using the Class Diagram to Add Members
Right-clicking on classes in class diagram reveals options to add additional methods, properties, fields, or events
Also automatically generates underlying code
Can add constructors
C# Programming: From Problem Analysis to Program Design

16. Using the Class Diagram to Add Members (continued)
Figure B-11 Adding members using the class diagram
C# Programming: From Problem Analysis to Program Design

17. Using the Class Diagram to Add Members (continued)
Figure B-12 Show base class for Person (Object)
C# Programming: From Problem Analysis to Program Design

18. Other Code Editor Tips Zoom Box Selector
Press Ctrl+Mouse wheel to increase and decrease the font size
Box Selector
Select rectangular region, type a line, and have that line repeated for every line part of the region
Hold Alt while using mouse to make vertical section
Start typing…typed line appears on every line in region
C# Programming: From Problem Analysis to Program Design