How to implement ArgumentOutOfRangeException When Using List<T>.GetRange with Large Indices in C#?
I've encountered a strange issue with After trying multiple solutions online, I still can't figure this out... I recently switched to I'm reviewing some code and I'm reviewing some code and I keep running into I'm deploying to production and Quick question that's been bugging me - I'm working on a project and hit a roadblock. I tried several approaches but none seem to work... I'm working with an `ArgumentOutOfRangeException` when trying to use the `GetRange` method on a `List<T>`. The method is supposed to return a specified range of elements from the list, but for some reason, I'm getting this exception when I attempt to access indices that are valid based on the count of the list. Here's the scenario: I have a `List<string>` that is populated with a large number of items (over 1000). When I try to get a range like this: ```csharp List<string> myList = new List<string>(); // Assume myList is populated with 1000+ strings int startIndex = 950; int count = 100; var range = myList.GetRange(startIndex, count); ``` I expect `GetRange` to return items from index 950 to 1049. However, I receive the following behavior: ``` Unhandled exception. System.ArgumentOutOfRangeException: Source list was not long enough. Check the list's source and length, and the offset. ``` I've verified that the count of the list is indeed more than 1000. I suspect the scenario might relate to how the `count` parameter is being calculated or the way I’m accessing the list. According to the documentation, the `count` parameter should represent the number of elements to return, starting from `startIndex`. I’ve also tried reducing the `count` to see if it makes a difference, but I still encounter exceptions sometimes when I pass in values like `count = 110`. I've ensured that my list population logic is working correctly and I’m not modifying the list while trying to access it. Does anyone have insights on why this exception might be occurring and how to fix it? Could it be a threading scenario or maybe something related to how lists manage memory in different scenarios? Any help would be appreciated! Is there a better approach? How would you solve this? I'm using C# LTS in this project. I recently upgraded to C# 3.9. I appreciate any insights! Am I missing something obvious? This is for a desktop app running on Ubuntu 20.04. Is there a better approach? I'm using C# 3.10 in this project. Thanks for any help you can provide! My development environment is CentOS. Thanks for taking the time to read this!