WebJan 1, 2009 · var items = from x in myListBox.Items where otherListOfMyObjects.Any (y => y == x /*SEE NOTE*/) select x; foreach (item i in items) myListBox.SelectedItems.Add (i); … WebFeb 1, 2024 · Parameter: index: It is the zero-based index of the element to get or set of type System.Int32. Return Value: This property returns the element at the specified index. Exception: This method will give ArgumentOutOfRangeException if the index is less than 0 or index is equal to or greater than Count.
c# - How can I use IndexOf in a List ? - Stack Overflow
WebJun 11, 2024 · EDIT: If you're only using a List<> and you only need the index, then List.FindIndex is indeed the best approach. I'll leave this answer here for those who need anything different (e.g. on top of any IEnumerable<>).. Use the overload of Select which … WebJun 17, 2024 · Based on your description, you want to return a list from a classlibrary. You could try the following code. public List getlist(string name) { List list = new List(); if(name== "Lights") { list = SupportedDeviceTypes; return list; } else { return list; } } I used console app to test it. asu tempe wue
C# return index of a object in a List - soltveit.org
WebJun 14, 2024 · Well, lets look at how we can use C# return index of a object in a List. Create a simple Address Class. We will use a simple Address class to demostrate how … WebMay 27, 2024 · Fish fish = NoahsArk.Where(f => f is Fish) .Cast() .OrderByDescending(f => f.Scales) .FirstOrDefault(); As it's easier to read than a single line, but that's personal preference. You definitely don't want to use an index to remove items as any index you could get would be indexing the input list as filtered by the Where which … WebFeb 1, 2024 · Here index is the zero-based index of the value to get. Return Value: It returns the value at the specified index of the SortedList object. Exception: This method will throw ArgumentOutOfRangeException if the index is outside the range of valid indexes for the SortedList object. Below programs illustrate the use of above-discussed method: asu tempe parking permit