C# Windows Forms DomainUpDown Examples

Let us look at a simple C# Windows Forms DomainUpDown example.

Example 1: DomainUpDown

This example will comprise the following files:

  • DomainUpDown.cs

Step 1: Create Project

  1. The first step is to create a C# Project.
  2. Go to FILE-->New-->Project to create a new project.

Step 2: Write Code

Write Code as follows:

*(a). DomainUpDown.cs

Create a file named DomainUpDown.cs

Here is the full code

using System;
using System.Windows.Forms;

namespace Examples {
  class MainForm : Form {
    public static void Main() {
      Application.Run(new MainForm());

    public MainForm() {
      Text = "DomainUpDown example";

      domainUpDown1.Parent = this;
      domainUpDown1.Items.AddRange(new string[] { "item1", "item2", "item3", "item4", "item5", "item6", "item7", "item8", "item9", "item10" });
      domainUpDown1.Location = new System.Drawing.Point(10, 10);
      domainUpDown1.TextChanged += delegate (object sender, EventArgs e) {
        label1.Text = domainUpDown1.SelectedItem.ToString();
      domainUpDown1.SelectedIndex = 1;

      label1.Parent = this;
      label1.Location = new System.Drawing.Point(10, 40);

    private DomainUpDown domainUpDown1 = new DomainUpDown();
    private Label label1 = new Label();


Simply copy the source code into your C# Project,Build and Run. Alternatively download the code using the links provided below, then open the .csproj project, build and run.


Download the code using the below links:

Number Link
1. Download Example
2. Follow code author

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