Create array of property values from list based on condition

Question

I've recently used this site to get the code to extract an array of property values from a list of objects (I've searched again and again and can't find the original post or help on the update :()

This is the result:

qtyArray.AddRange(plan.Components.Select(c => c.qty.HasValue ? (int)c.qty.Value : 0).ToArray());

Problem is, I have other properties i'm outputting into parallel arrays to pass to a datasource but would prefer to ignore any false 'active' properties. So for all the arrays do something like above, but only where c.active == true:

plan.Components.Select(c => c.qty.HasValue ? (int)c.qty.Value : 0 **WHERE c.active**)

Can anyone help?

Answer 1

What about this:

plan.Components.Where(c => c.active).Select (c => c.qty.HasValue ? (int)c.qty.Value : 0 ) 

It should do the required filtering.