The NewList command attaches a link structure to a type variable. It's the equivalent of dimensioning a type variable with the List keyword appended.
FACTS:
* Don't know what a linked list is ?, make sure you read the LinkedLists tutorial then.
Mini Tutorial:
This example creates a list of three people, then runs through the list manually and displays each persons names and their list position.
; Declare the "Person" user defined type.
Type Person
; These Fields will hold this persons name
FirstName$
SurName$
EndType
; Dimension the Friends type variable
Dim Friends As Person
; Add linked list support to our friends type
NewList Friends()
; Add a person (Billy) to Friends list
Friends= New Person
Friends.FirstName$ ="Billy"
Friends.Surname$ ="Citizen"
; Add another person (Sally) to Friends list
Friends= New Person
Friends.FirstName$ ="Sally"
Friends.Surname$ ="Stevens"
; Add another person (Sally) to Friends list
Friends= New Person
Friends.FirstName$ ="Olivia"
Friends.Surname$ ="Dude"
; Reset the List current index of this list ot the FIRST
; in the list
ResetList Friends()
;Enter a while loop, but only while the current list position
; ifn't at the end of the list
While Not EndOfList(Friends())
; Display this persons name
Print Friends.FirstName$+" "+Friends.Surname$
Print ""
; Move the current list pointer to the next link
; in the list.
StepList Friends()
EndWhile
; display the screen and wait for a key press
Sync
WaitKey
|
This example would output.
Olivia Dude
Sally Stevens
Billy Citizen
|
|
