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UserControls as SDI Windows

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15 Jan 2014CPOL 8.4K   205   2  

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.

C#
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)


Written By
Engineer Robotic Assistance Devices / AITX
Canada Canada
Yvan Rodrigues has 30 years of experience in information systems and software development for the industry. He is Senior Concept Designer at Robotic Assistance Devices

He is a Certified Technician (C.Tech.), a professional designation granted by the Institute of Engineering Technology of Ontario (IETO).

Yvan draws on experience as owner of Red Cell Innovation Inc., Mabel's Labels Inc. as Manager of Systems and Development, the University of Waterloo as Information Systems Manager, and OTTO Motors as Senior Systems Engineer and Senior Concept Designer.

Yvan is currently focused on design of embedded systems.

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