WizardPanel.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / DataWebControlsDesign / System / Data / WebControls / Design / Util / WizardPanel.cs / 1305376 / WizardPanel.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner       [....]
// @backupOwner [....] 
//----------------------------------------------------------------------------- 

using System; 
using System.Collections;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Diagnostics; 
using System.Drawing;
using System.Windows.Forms; 
 
namespace System.Web.UI.Design.WebControls.Util
{ 
    /// 
    /// Represents a single step in a wizard.
    /// WizardPanels are contained within a single WizardForm.
    ///  
    internal class WizardPanel : System.Windows.Forms.UserControl
    { 
 
        private WizardForm _parentWizard;
        private string _caption; 
        private WizardPanel _nextPanel;
        private bool _needsToInvalidate;

        ///  
        /// Creates a new WizardPanel.
        ///  
        public WizardPanel() 
        {
        } 

        /// 
        /// The caption to be shown on the WizardForm
        ///  
        public string Caption
        { 
            get 
            {
                if (_caption == null) 
                {
                    return String.Empty;
                }
                return _caption; 
            }
            set 
            { 
                _caption = value;
                if (_parentWizard != null) 
                {
                    _parentWizard.Invalidate();
                }
                else 
                {
                    _needsToInvalidate = true; 
                } 
            }
        } 

        /// 
        /// The panel to go to when the Next button is clicked. This can be set dynamically in
        /// the OnNext() event to customize the order in which panels are used. 
        /// 
        public WizardPanel NextPanel 
        { 
            get
            { 
                return _nextPanel;
            }
            set
            { 
                _nextPanel = value;
                Debug.Assert(_parentWizard != null); 
                if (_parentWizard != null) 
                {
                    _parentWizard.RegisterPanel(_nextPanel); 
                }
            }
        }
 
        /// 
        /// This method is called when the wizard's Finish button is clicked. 
        /// It is called once for each wizard panel on the panel stack, in the order from the first panel to the last (current) panel. 
        /// 
        protected internal virtual void OnComplete() 
        {
        }

        ///  
        /// Runs when the next button is clicked while this panel is showing.
        /// Returns true if the wizard should proceed to the next panel. 
        ///  
        public virtual bool OnNext()
        { 
            return true;
        }

        ///  
        /// Runs when the previous button of the parent wizard form is clicked while this panel is active
        ///  
        public virtual void OnPrevious() 
        {
        } 

        /// 
        /// 
        internal void SetParentWizard(WizardForm parent) 
        {
            _parentWizard = parent; 
            if ((_parentWizard != null) && _needsToInvalidate) 
            {
                _parentWizard.Invalidate(); 
                _needsToInvalidate = false;
            }
        }
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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