Colouring Outline

Sometime if you want to fill colour for object outline, you have to go "outline pen" dialog by pressing F12, you will find theres so many option in that dialog

Or you can doing that with a simple and quick step
1. Select the object
2. Pointed your mouse to colour picker

3. " right click" your mouse to colour that you want
4. You will see the outline change
5. or you just press F12, ha..ha..ha, dummy can do anything, right ? :)
6. Try both way for practice