---
title: "Adding data to an array of struct"  
description: "Adding data to an array of struct"  
author: "Anonymous User"  
published: 2015-03-02  
updated: 2015-03-03  
canonical: https://www.mindstick.com/forum/12995/adding-data-to-an-array-of-struct  
category: ".net"  
tags: ["c#", ".net"]  
reading_time: 2 minutes  

---

# Adding data to an array of struct

I'm [trying](https://answers.mindstick.com/qa/93698/6-mistakes-couples-are-trying-to-save-money) to add/[remove data](https://www.mindstick.com/forum/159778/what-is-the-delete-statement-in-sql-and-how-is-it-used-to-remove-data-from-a-table) from an array of a defined [struct](https://www.mindstick.com/blog/83/struct-in-c-sharp-dot-net).

\

```
struct process{                        public int
Proc_Id;    public int
Proc_BurstTime;    public int
Proc_Priority;    public override
string ToString()    {        return
"ID: " + Proc_Id.ToString() + " Time: " +
Proc_BurstTime.ToString() + " Prior: " + Proc_Priority.ToString();    }}; readonly process[] ProcessList = new process[]{    new process{
Proc_Id = 1, Proc_BurstTime = 3000, Proc_Priority = 1},    new process{
Proc_Id = 2, Proc_BurstTime = 5000, Proc_Priority = 2},    new process{
Proc_Id = 3, Proc_BurstTime = 1000, Proc_Priority = 3},    new process{
Proc_Id = 4, Proc_BurstTime = 10000, Proc_Priority = 4}};
```

Basically, what I'm exactly trying to do is [populate](https://www.mindstick.com/blog/60/populate-records-in-second-listbox-according-to-the-selection-in-first-list-box) this array of structs into a [ListBox control](https://www.mindstick.com/articles/395/listbox-control-in-c-sharp-dot-net). I have been able to initially populate it by using [DataSource](https://www.mindstick.com/blog/447/listing-the-databases-connected-to-the-datasource), I've also been able to modify the contents and "re-datasource" it to [update](https://www.mindstick.com/forum/156353/what-is-hummingbird-update) the ListBox. However, I cannot ADD or REMOVE processes. Does [anyone](https://www.mindstick.com/articles/23207/how-to-find-the-best-fit-job-for-anyone) know what I can do?

## Replies

### Reply by Anonymous User

You'll need to use a collection.

A List<T> would do just fine.

```
var processes = new List<process>();processes.Add(new process{    Proc_Id = 1,     Proc_BurstTime =
3000,     Proc_Priority = 1});
```

Modifying your code a bit would result in this below.

```
List<process> ProcessList = new List<process>(){    new process
{Proc_Id = 1, Proc_BurstTime = 3000, Proc_Priority = 1},    new process
{Proc_Id = 2, Proc_BurstTime = 5000, Proc_Priority = 2},    new process
{Proc_Id = 3, Proc_BurstTime = 1000, Proc_Priority = 3},    new process
{Proc_Id = 4, Proc_BurstTime = 10000, Proc_Priority = 4}};
```

This collection type also has the Add method you are referring to in your question.


---

Original Source: https://www.mindstick.com/forum/12995/adding-data-to-an-array-of-struct

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