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UserControls as SDI Windows

By , 15 Jan 2014
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Introduction 

This tip provides an example in which the content area of a single document interface application is switched between two or more UserControls.

Background

This tip was created in response to a question in Quick Answers.

Using the code

The code contains a parent Form, containing a ToolStripContainer. The tool strip contains two buttons, used to switch between user controls. The user controls are added/removed to the container's Content property in response to button presses.

using System.Windows.Forms;

namespace RedCell.App.Example.UserControls
{
    /// <summary>
    /// The application's main form.
    /// </summary>
    public partial class MainForm : Form
    {
        private readonly UserControl _christmasCarolControl;
        private readonly UserControl _greatExpectationsControl;

        /// <summary>
        /// Initializes a new instance of the <see cref="MainForm"> class.
        /// </see></summary>
        public MainForm()
        {
            InitializeComponent();

            // Create a single instance of each child control.
            _christmasCarolControl = new ChristmasCarol {Dock = DockStyle.Fill};
            _greatExpectationsControl = new GreatExpectations { Dock = DockStyle.Fill };
        }

        private void GreatExpectationsButton_Click(object sender, System.EventArgs e)
        {
            ToolStripContainer.ContentPanel.Controls.Clear();
            ToolStripContainer.ContentPanel.Controls.Add(_greatExpectationsControl);
        }

        private void ChristmasCarolButton_Click(object sender, System.EventArgs e)
        {
            ToolStripContainer.ContentPanel.Controls.Clear();
            ToolStripContainer.ContentPanel.Controls.Add(_christmasCarolControl);
        }
    }
}

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

Yvan Rodrigues
President Red Cell Innovation Inc.
Canada Canada
Yvan Rodrigues has 25 years of experience in information systems and software development for the manufacturing sector. He runs Red Cell Innovation Inc./L'innovation de Globules Rouges, a consulting company focusing on efficiency and automation of manufacturing and business processes for small businesses, healthcare, and the public sector. He is a Certified Technician (C.Tech.), a professional designation granted by the Institute of Engineering Technology of Ontario (IETO).
 
Yvan draws on experience at Mabel's Labels Inc. as Manager of Systems and Development, and the University of Waterloo as Information Systems Manager.
 
Yvan supports open-source software. He is a committer for SharpKit (C# to Javascript cross-compiler) and WebIssues (Issue/Ticket Management System), and contributes to MySQL, Ghostscript, iTextSharp, Bacula, FreeBSD, MonoTouch, and Mono for Android.
 
Yvan's consumer-focused apps can be found in the Windows Store, Apple App Store, and Google Play marketplace.
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