C# Tips

Question 1

What shortcup enables to add the right library at the top (using)

Answer 1

Ctrl+ dot

Question 2

Shortcut for constructor

Answer 2

Ctor tabtab

Question 3

Shortcut to add property

Answer 3

Prop tabtab

Question 4

How to see in real time the changes in a text file?

Answer 4

Use notepad+ -> view -> monitoring

Question 5

New instance of a class and set parameter right away

Answer 5

Person person= new Person{FirstName=“John”, LastName=“Doe”}

//no parenths

Question 6

Debug F shortcut

Answer 6

F5: go to the next breakpoint
F10: go to the next line of code

Question 7

Winform default button

Answer 7

The main form got acceptbutton and cancelbutton property for entrer and cancel key

Question 8

2 ways to force a conversion to int (with exception)

Answer 8

String s =“123”;
Int i=int.Parse(s);

Or

Int i=Convert.ToInt32(s);

Question 9

Convert into int, deal with exception

Answer 9

String s=“123456”;
Int i

Bool isParsable=int32.TryParse(s, out i)

If (isParsable)
Console.Writeline(i);
Else
Console.WriteLine(“cannot be parses”);

Shortversion:
If (Int32.TryParse(s,out int i))
Console.WriteLine(i); …

Question 10

Shortcut to add full property

Answer 10

Prop full tabtab