PageContentCollection.cs source code in C# .NET

                        Code:
                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Framework / System / Windows / Documents / PageContentCollection.cs / 1 / PageContentCollection.cs
                        
                        
                            //---------------------------------------------------------------------------- 
// 
//      Copyright (C) 2004 by Microsoft Corporation.  All rights reserved.
// 
// 
// Description:
//      Implements the PageContentCollection element 
// 
// History:
//      02/26/2004 - [....] ([....]) - Created. 
//
//
//---------------------------------------------------------------------------
namespace System.Windows.Documents 
{
    using System; 
    using System.Collections.Generic; 
    using System.Collections;
    using System.Diagnostics; 
    using System.Windows.Markup;


    //===================================================================== 
    /// 
    /// PageContentCollection is an ordered collection of PageContent 
    ///  
    public sealed class PageContentCollection : IEnumerable
    { 

        //-------------------------------------------------------------------
        //
        // Connstructors 
        //
        //---------------------------------------------------------------------- 
 
        #region Constructors
        internal PageContentCollection(FixedDocument logicalParent) 
        {
            _logicalParent  = logicalParent;
            _internalList   = new List();
        } 
        #endregion Constructors
 
        //------------------------------------------------------------------- 
        //
        // Public Methods 
        //
        //----------------------------------------------------------------------

        #region Public Methods 
        /// 
        /// Append a new PageContent to end of this collection 
        ///  
        /// New PageContent to be appended
        /// The index this new PageContent is appended at 
        /// 
        /// Thrown if the argument is null
        /// 
        ///  
        /// Thrown if the page has been added to a PageContentCollection previously
        ///  
        public int Add(PageContent newPageContent) 
        {
            if (newPageContent == null) 
            {
                throw new ArgumentNullException("newPageContent");
            }
 
            _logicalParent.AddLogicalChild(newPageContent);
 
            InternalList.Add(newPageContent); 
            int index = InternalList.Count - 1;
            _logicalParent.OnPageContentAppended(index); 
            return index;
        }

        #endregion Public Methods 

        #region IEnumerable 
 
        /// 
        ///  
        /// 
        public IEnumerator GetEnumerator()
        {
            return InternalList.GetEnumerator(); 
        }
 
        IEnumerator IEnumerable.GetEnumerator() 
        {
            return ((IEnumerable)this).GetEnumerator(); 
        }

        #endregion IEnumerable
 
        //--------------------------------------------------------------------
        // 
        // Public Properties 
        //
        //--------------------------------------------------------------------- 

        #region Public Properties
        /// 
        /// Indexer to retrieve individual PageContent contained within this collection 
        /// 
        public PageContent this[int pageIndex] 
        { 
            get
            { 
                return InternalList[pageIndex];
            }
        }
 
        /// 
        /// Number of PageContent items in this collection 
        ///  

        public int Count 
        {
            get { return InternalList.Count; }
        }
 
        #endregion Public Properties
 
        //-------------------------------------------------------------------- 
        //
        // Public Events 
        //
        //---------------------------------------------------------------------

        #region Public Event 
        #endregion Public Event
 
        //------------------------------------------------------------------- 
        //
        // Internal Methods 
        //
        //---------------------------------------------------------------------

        #region Internal Methods 

        internal int IndexOf(PageContent pc) 
        { 
            return InternalList.IndexOf(pc);
        } 

        #endregion Internal Methods

        //-------------------------------------------------------------------- 
        //
        // Internal Properties 
        // 
        //---------------------------------------------------------------------
 

        //--------------------------------------------------------------------
        //
        // private Properties 
        //
        //---------------------------------------------------------------------- 
 
        #region Private Properties
 
        // Aggregated IList
        private IList InternalList
        {
            get 
            {
                return _internalList; 
            } 
        }
        #endregion Private Properties 


        //-------------------------------------------------------------------
        // 
        // Private Methods
        // 
        //---------------------------------------------------------------------- 

        #region Private Methods 
        #endregion Private Methods

        //-------------------------------------------------------------------
        // 
        // Private Fields
        // 
        //--------------------------------------------------------------------- 

        #region Private Fields 
        private FixedDocument  _logicalParent;
        private List _internalList;
        #endregion Private Fields
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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PageContentCollection.cs source code in C# .NET

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