VBA - Filter a class array based on class function

saboh12617

New Member
Joined
May 31, 2024
Messages
45
Office Version
  1. 365
Platform
  1. Windows
Hello,

I was wondering if there was a way to filter a List (Array/Table/Collection… whatever, i can adapt this) of Custom class instances based on a function of this class.

For example, if i Had my class (Person.cls) like this

VBA Code:
Private name As String

Public function IsNamed(filter As String) As Boolean
IsNamed = (filter = name)
End Function

How could i filter an array of Person based on the function IsNamed ?
The idea of course is that it would implement nicely into the code, without have to write a loop of reading and testing each value.

Something like

filteredList = initialList.FilterBy(IsNamed("brian"))

I remember this was very easy in Python for example with filter/lambda combos.
I came upon this website but i have a hard time figuring out why/how putting the array-related code in the class works.
Custom Collection Class – Daily Dose of Excel
 

Excel Facts

Add Bullets to Range
Select range. Press Ctrl+1. On Number tab, choose Custom. Type Alt+7 then space then @ sign (using 7 on numeric keypad)
You're going to need a loop somewhere to access the property/method of each class instance.
 
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