Chapter 18

Question 1

What are types of transform

Answer 1

• Rotate transform
• Scale transform
• Skew transform
• Translate transform (move)
• Matrix transform (2D transform)(it can represent all transform types)

Question 2

What is center X and center Y

Answer 2

points on which transform performed

Question 3

What is parameter for rotate transform

Answer 3

Angel

Question 4

Can we combine matrix transform

Answer 4

Yes

Question 5

Does there are elements which can not transform and if yes then what are they

Answer 5

Yes. Like non GDI elements

Question 6

What is content overflow problem

Answer 6

Child and parent element does not agree the division of space on an interface.

Question 7

What is the solution of content overflow problem in WPF

Answer 7

Panels

Question 8

What are types of panels

Answer 8

• Canvas
• Stack panel
• Wrap panel
• Dock panel
• Grid

Question 9

What are 4 properties of canvas

Answer 9

1. left
2. right
3. top
4. bottom

Question 10

What are attached properties

Answer 10

They give capability to child elements in canvas to set their properties.

Question 11

Can elements overlap each other in canvas

Answer 11

Yes

Question 12

What is z order

Answer 12

overlapping dimension

Question 13

How we set elements in stack panel

Answer 13

By orientation property

Question 14

What is virtualizing stack panel

Answer 14

If we have many (e.g. 1000) elements and we want to load only those elements that are appearing on screen and other does not load, then we use virtualizing stack panel.

Question 15

What is the advance form of stack panel

Answer 15

wrap panel

Question 16

What is wrap panel

Answer 16

It wraps to next line

Question 17

Does stack panel and wrap panel have attached property

Answer 17

No

Question 18

Is canvas fix and stack panel and wrap panel adjustable

Answer 18

Yes

Question 19

What is the transform which act like any other transform

Answer 19

Matrix transform