C# list add items

- C# list add items in constructor
- C# add list items to array
- C# add list items to listview
- C# list add multiple items
- C# list add multiple items at once
- C# list add all items
- C# list add 2 items
- C# list add many items
- C# list add only unique items
- C# list add items from another list
- C# add list to combobox items
- C# add items from one list to another
- C# checkedlistbox add items from list
- C# listbox add items from list
- C# add list items to observablecollection