Populating a dropdown based on another dropdown.

[Jayme McColgan]

hey everyone,

 

I'm having some trouble in my dialog with populating a dropdown based on another dropdown. i can't figure out how to properly clear the list and repopulate it with the new data... it always seems to leave behind something from the previous list. i've tried various combination of vs.SelectChoice(), vs.RemoveChoice(), and vs.AddChoice(). 

 

here's my current iteration... 

 

def Dialog_Handler4(item ,data):
  if item == 33:
    for i in range(vs.GetChoiceCount(dialog1, 36)):
    	vs.RemoveChoice(dialog1, 36, i)

    for j in range(len(formattted_labels[data][2])):
      vs.AddChoice(dialog1, 36, formattted_labels[data][2][j], j)

 

[MullinRJ]

Hi @Jayme McColgan,

 

   The easiest way is to delete the first (0th) element N times. Your code is moving up the list as your list is shrinking, so yes, there will be residual entries left over.

 

Try:

for i in range(vs.GetChoiceCount(dialog1, 36)): 
      vs.RemoveChoice(dialog1, 36, 0)

 

Raymond

[Jayme McColgan]

On 4/1/2023 at 11:53 PM, MullinRJ said:

Hi @Jayme McColgan,

 

   The easiest way is to delete the first (0th) element N times. Your code is moving up the list as your list is shrinking, so yes, there will be residual entries left over.

 

Try:

for i in range(vs.GetChoiceCount(dialog1, 36)): 
      vs.RemoveChoice(dialog1, 36, 0)

 

Raymond

 

omg that worked... lol man that really should be a note on the VS reference page for vs.RemoveChoice() lol

[MullinRJ]

@Jayme McColgan,  LOL – Love the enthusiasm of your reply! 

 

A note at this point would only benefit other people. I'm pretty sure you will never need that example again 😉, but I'll add a note soon.

 

If you are using the HTML version of the script reference, a user's note will not show up. I can only add one to the online Developer WIKI. FYI

 

Glad I could help,

Raymond