Storing Values into Dynamic Array

Montez659

Well-known Member
Joined
May 4, 2005
Messages
918
I am having so much trouble with this. This is a different aspect of my previous post. As I am searching through the text file, if I find a value that looks like a date that I need to store, I want to store it into an array; pubTransDates(). However, I am running into a subscript error because I do not have an idea of the size of the array. If I attempt to reDim my array each time I encounter a value that I want to store, it loses the other values.

Any way to store into a dynamic array without having to run my code twice, the first time to count and the second time to store?
 

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xenou

MrExcel MVP
Joined
Mar 2, 2007
Messages
16,797
Office Version
  1. 2019
Platform
  1. Windows
One option is the preserve keyword to resize the array without losing the data (you can only resize the last dimension)
Code:
Redim [B]Preserve[/B] (0 to x)

Another is to set the array bounds high and resize as needed. Some don't like using redim preserve because resizing is resource intensive - but if you aren't dealing with many thousands of elements you won't notice any performance issues. Since you're in Access-world you could also create a recordset on the fly and add your data to it. Other options in VBA-world are collections and dictionaries - basically, you are spoiled for choice.
 
Last edited:

Montez659

Well-known Member
Joined
May 4, 2005
Messages
918
Ahh, excellent info. Thanks! Sometimes if I just knew what to search for...
 

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