Webb18 dec. 2011 · In your original example you use an empty array to provide an empty enumerable. While using Enumerable.Empty () is perfectly right, there might other … WebbIn 2.0 you must use it like this: List optionList = new List () { "AdditionalCardPersonAdressType", /* rest of elements */ };. Note the () here: new …
c# - Initializing lists in a constructor - Stack Overflow
Webb28 feb. 2024 · 1. 1) when I initialize the list in the space above what would be considered main () like this, List studentData; In this case you simply declare the variable but you have not initialized it yet. There is no value assigned to it. Hence the default value is null and you get this nice exception. Webb9 okt. 2012 · Below is the example (the only difference is that I never initialize the Lists when they declared, but in the class constructor instead): public class YourClass { List organize; List anotherOrganize; // constructor public YourClass () { // initialize the two lists to empty lists organize = new List (); … bow wow meow pet portal login
c# - How to initialize a List to a given size (as opposed to ...
Webb12 mars 2013 · Option #1: Use Clear () function to empty the List and retain it's capacity. Count is set to 0, and references to other objects from elements of the collection are also released. Capacity remains unchanged. Option #2 - Use Clear () and TrimExcess () functions to set List to initial state. Webbpublic void TestMethod1() { var expected = new List(); for (int i = 0; i < 22; i++)//You add empty initialization here { var temp = new … Webb25 feb. 2013 · This is the most obvious solution for the example in the question. However, I think the OP is asking to initialize a deep hierarchy of nested class properties, not just a single level. Imagine HumanProperties have InnerProperties, and those have DetailedInnerProperties, etc. gunshot run