WizardPanel.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WebForms / System / Web / UI / Design / Util / WizardPanel.cs / 1 / WizardPanel.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.UI.Design.Util { 
 
    using System;
    using System.Collections; 
    using System.ComponentModel;
    using System.ComponentModel.Design;
    using System.Diagnostics;
    using System.Drawing; 
    using System.Windows.Forms;
 
    ///  
    /// Represents a single step in a wizard.
    /// WizardPanels are contained within a single WizardForm. 
    /// 
    internal class WizardPanel : 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);
                } 
            }
        } 
 
        /// 
        /// A reference to the WizardForm parenting this panel 
        /// 
        [
        Browsable(false),
        ] 
        public WizardForm ParentWizard {
            get { 
                return _parentWizard; 
            }
        } 

        /// 
        /// The service provider for the wizard.
        ///  
        protected IServiceProvider ServiceProvider {
            get { 
                return ParentWizard.ServiceProvider; 
            }
        } 

        /// 
        /// 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.
// Copyright (c) Microsoft Corporation. All rights reserved.

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