loop to create variable names and reference them

[sturdyboyrich]

HI all,

I'm driving myself nuts trying to figure out how to reference a variable based on a incremented loop value..

so say i have a load of variables

loopnum = 2
offset1 =2
offset2 =5

then i do a loop

For la=1 To lasnum-1
offx = "offset" & la
Next

how do i reference the variable offset1 based on the la value...

sorry I'm sure this is really basic but I just can't figure it out..

Thanks

Rich

 

[agraham]

You can't! Use an array instead.

 

[RichardBernard]

You can't! Use an array instead.

What if I have a whole bunch of Labels that are in a sequence (e.g. L1, L2, L3, etc.) and I want to go through them? You know how we have the CallSub, is there anything that can do the same for variables?

 

[agraham]

There is no indirect addressing for variables. By the way the name of a Label variable bears no relation ship to the actual Label instance.

Dim L1, L2, L3 as Label
L1.Initialize("L1") ' this instance will call the L1_Click event Sub
L2.Initialize("L2") ' this instance will call the L21_Click event Sub
L3 = L1
L1 = L2 ' L1 now references the instance declared in L2
L2 = L3 ' L2 now references the instance declared in L1

You could collect the Label instances in a Map and address them with a calculated string value

Dim LMap As Map
For I = 0 to 10
   Dim L as Label
   L.Initialise("Label" & I)
   Lmap.Put(("Label" & I, L)
Next
...

Dim L as Label
For I = 0 to 10
   L = Map.Get("Label" & I)
   L.DoSomething
   ...
Next

 

[RichardBernard]

Thank you very much Agraham! Now what if the labels were set in the Designer (which means they've already been initialized)? How does the process change?

R

 

[agraham]

You will have to put them in "by hand" as you can't iterate them by name programmatically.

Lmap.Put(("Label1", Label1)
Lmap.Put(("Label2", Label2)

 

[Erel]

Relevant tutorial: Tick-Tack-Toe: working with arrays of views

 

[RichardBernard]

Got it working... I must admit it's very impressive!

R