Top "Addrange" questions

Why does adding a list to another list, using add range, remove the elements from the first list?

Consider the following example: IEnumerable<Int32> groupsToAdd = new List<Int32>(); List<Int32> groups1 = new …

c# linq ienumerable addrange
Implement AddRange on ObservableCollection with proper support for DataBinding

I would like my own descendant of ObservableCollection to support AddRange method. Here is what I currently have: public class …

c# data-binding windows-phone-8 observablecollection addrange
using a win form combo box Items.AddRange method

I have an array of objects that I'm trying to add to the Items collection of a combo box control …

c# .net winforms combobox addrange
Add a list to another list in c#

I have a List A as below var act= (from a in _db.Activities where a.UserID == userid select new …

c# list addrange