mirror of
https://github.com/reactos/reactos.git
synced 2024-12-30 19:14:31 +00:00
494 lines
12 KiB
C#
494 lines
12 KiB
C#
using System;
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using System.IO;
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using System.Collections;
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using System.Windows.Forms;
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using HtmlHelp.ChmDecoding;
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namespace HtmlHelp
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{
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/// <summary>
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/// The class <c>TOCItem</c> implements a toc-entry item
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/// </summary>
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public sealed class TOCItem
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{
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/// <summary>
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/// Constant for standard folder (closed) image index (HH2 image list)
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/// </summary>
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public const int STD_FOLDER_HH2 = 4;
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/// <summary>
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/// Constant for standard folder (opened) image index (HH2 image list)
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/// </summary>
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public const int STD_FOLDER_OPEN_HH2 = 6;
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/// <summary>
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/// Constant for standard file image index (HH2 image list)
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/// </summary>
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public const int STD_FILE_HH2 = 16;
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/// <summary>
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/// Constant for standard folder (closed) image index (HH1 image list)
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/// </summary>
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public const int STD_FOLDER_HH1 = 0;
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/// <summary>
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/// Constant for standard folder (opened) image index (HH1 image list)
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/// </summary>
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public const int STD_FOLDER_OPEN_HH1 = 1;
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/// <summary>
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/// Constant for standard file image index (HH1 image list)
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/// </summary>
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public const int STD_FILE_HH1 = 10;
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/// <summary>
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/// Internal flag specifying the data extraction mode used for this item
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/// </summary>
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private DataMode _tocMode = DataMode.TextBased;
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/// <summary>
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/// Internal member storing the offset (only used in binary tocs)
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/// </summary>
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private int _offset = 0;
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/// <summary>
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/// Internal member storing the offset of the next item(only used in binary tocs)
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/// </summary>
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private int _offsetNext = 0;
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/// <summary>
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/// Internal member storing a merge link.
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/// If the target file is in the merged files list of the CHM,
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/// this item will be replaced with the target TOC or Topic, if not it will
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/// be removed from TOC.
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/// </summary>
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private string _mergeLink = "";
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/// <summary>
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/// Internal member storing the toc name
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/// </summary>
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private string _name = "";
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/// <summary>
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/// Internal member storing the toc loca (content file)
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/// </summary>
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private string _local = "";
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/// <summary>
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/// Internal member storing all associated information type strings
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/// </summary>
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private ArrayList _infoTypeStrings = new ArrayList();
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/// <summary>
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/// Internal member storing the associated chm file
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/// </summary>
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private string _chmFile = "";
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/// <summary>
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/// Internal member storing the image index
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/// </summary>
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private int _imageIndex = -1;
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/// <summary>
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/// Internal member storing the offset of the associated topic entry (for binary tocs)
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/// </summary>
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private int _topicOffset = -1;
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/// <summary>
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/// Internal member storing the toc children
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/// </summary>
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private ArrayList _children = new ArrayList();
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/// <summary>
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/// Internal member storing the parameter collection
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/// </summary>
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private Hashtable _otherParams = new Hashtable();
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/// <summary>
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/// Internal member storing the associated chmfile object
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/// </summary>
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private CHMFile _associatedFile = null;
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/// <summary>
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/// Parent item
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/// </summary>
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private TOCItem _parent=null;
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/// <summary>
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/// Holds a pointer to the next item in the TOC
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/// </summary>
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public TOCItem Next=null;
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/// <summary>
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/// Holds a pointer to the previous item in the TOC
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/// </summary>
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public TOCItem Prev=null;
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/// <summary>
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/// Holds a pointer to the TreeNode where this TOC Item is used
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/// </summary>
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public System.Windows.Forms.TreeNode treeNode=null;
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/// <summary>
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/// Constructor of the class used during text-based data extraction
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/// </summary>
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/// <param name="name">name of the item</param>
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/// <param name="local">local content file</param>
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/// <param name="ImageIndex">image index</param>
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/// <param name="chmFile">associated chm file</param>
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public TOCItem(string name, string local, int ImageIndex, string chmFile)
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{
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_tocMode = DataMode.TextBased;
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_name = name;
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_local = local;
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_imageIndex = ImageIndex;
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_chmFile = chmFile;
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}
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/// <summary>
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/// Constructor of the class used during binary data extraction
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/// </summary>
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/// <param name="topicOffset">offset of the associated topic entry</param>
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/// <param name="ImageIndex">image index to use</param>
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/// <param name="associatedFile">associated chm file</param>
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public TOCItem(int topicOffset, int ImageIndex, CHMFile associatedFile)
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{
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_tocMode = DataMode.Binary;
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_associatedFile = associatedFile;
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_chmFile = associatedFile.ChmFilePath;
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_topicOffset = topicOffset;
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_imageIndex = ImageIndex;
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}
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/// <summary>
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/// Standard constructor
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/// </summary>
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public TOCItem()
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{
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}
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#region Data dumping
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/// <summary>
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/// Dump the class data to a binary writer
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/// </summary>
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/// <param name="writer">writer to write the data</param>
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/// <param name="writeFilename">true if the chmfile name should be written</param>
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internal void Dump(ref BinaryWriter writer, bool writeFilename)
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{
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writer.Write((int)_tocMode);
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writer.Write(_topicOffset);
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writer.Write(_name);
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if((_tocMode == DataMode.TextBased)||(_topicOffset<0))
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{
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writer.Write(_local);
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}
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writer.Write(_imageIndex);
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writer.Write(_mergeLink);
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if(writeFilename)
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writer.Write(_chmFile);
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writer.Write(_infoTypeStrings.Count);
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for(int i=0; i<_infoTypeStrings.Count; i++)
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writer.Write( (_infoTypeStrings[i]).ToString() );
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writer.Write(_children.Count);
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for(int i=0; i<_children.Count; i++)
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{
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TOCItem child = ((TOCItem)(_children[i]));
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child.Dump(ref writer, writeFilename);
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}
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}
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/// <summary>
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/// Dump the class data to a binary writer
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/// </summary>
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/// <param name="writer">writer to write the data</param>
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internal void Dump(ref BinaryWriter writer)
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{
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Dump(ref writer, false);
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}
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/// <summary>
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/// Reads the object data from a dump store
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/// </summary>
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/// <param name="reader">reader to read the data</param>
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/// <param name="readFilename">true if the chmfile name should be read</param>
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internal void ReadDump(ref BinaryReader reader, bool readFilename)
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{
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int i=0;
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_tocMode = (DataMode)reader.ReadInt32();
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_topicOffset = reader.ReadInt32();
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_name = reader.ReadString();
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if((_tocMode == DataMode.TextBased)||(_topicOffset<0))
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{
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_local = reader.ReadString();
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}
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_imageIndex = reader.ReadInt32();
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_mergeLink = reader.ReadString();
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if(readFilename)
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_chmFile = reader.ReadString();
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int nCnt = reader.ReadInt32();
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for(i=0; i<nCnt; i++)
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{
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string sIT = reader.ReadString();
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_infoTypeStrings.Add(sIT);
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}
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nCnt = reader.ReadInt32();
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if(_associatedFile != null)
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_chmFile = _associatedFile.ChmFilePath;
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for(i=0; i<nCnt; i++)
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{
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TOCItem child = new TOCItem();
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child.AssociatedFile = _associatedFile;
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child.ReadDump(ref reader, readFilename);
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if(_associatedFile != null)
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child.ChmFile = _associatedFile.ChmFilePath;
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else if(!readFilename)
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child.ChmFile = _chmFile;
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child.Parent = this;
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_children.Add(child);
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if(child.MergeLink.Length > 0)
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_associatedFile.MergLinks.Add(child);
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}
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}
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/// <summary>
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/// Reads the object data from a dump store
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/// </summary>
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/// <param name="reader">reader to read the data</param>
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internal void ReadDump(ref BinaryReader reader)
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{
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ReadDump(ref reader, false);
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}
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#endregion
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/// <summary>
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/// Gets/Sets the data extraction mode with which this item was created.
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/// </summary>
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internal DataMode TocMode
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{
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get { return _tocMode; }
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set { _tocMode = value; }
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}
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/// <summary>
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/// Gets/Sets the offset of the associated topic entry
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/// </summary>
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internal int TopicOffset
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{
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get { return _topicOffset; }
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set { _topicOffset = value; }
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}
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/// <summary>
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/// Gets/Sets the associated CHMFile instance
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/// </summary>
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internal CHMFile AssociatedFile
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{
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get { return _associatedFile; }
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set
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{
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_associatedFile = value;
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}
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}
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/// <summary>
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/// Gets/Sets the offset of the item.
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/// </summary>
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/// <remarks>Only used in binary tocs</remarks>
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internal int Offset
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{
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get { return _offset; }
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set { _offset = value; }
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}
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/// <summary>
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/// Gets/Sets the offset of the next item.
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/// </summary>
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/// <remarks>Only used in binary tocs</remarks>
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internal int OffsetNext
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{
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get { return _offsetNext; }
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set { _offsetNext = value; }
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}
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/// <summary>
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/// Gets the ArrayList which holds all information types/categories this item is associated
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/// </summary>
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internal ArrayList InfoTypeStrings
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{
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get { return _infoTypeStrings; }
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}
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/// <summary>
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/// Gets/Sets the parent of this item
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/// </summary>
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public TOCItem Parent
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{
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get { return _parent; }
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set { _parent = value; }
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}
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/// <summary>
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/// Gets/Sets the mergelink for this item.
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/// <b>You should not set the mergedlink by your own !</b>
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/// This is only for loading merged CHMs.
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/// </summary>
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public string MergeLink
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{
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get { return _mergeLink; }
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set { _mergeLink = value; }
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}
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/// <summary>
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/// Gets/Sets the name of the item
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/// </summary>
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public string Name
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{
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get
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{
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if(_mergeLink.Length > 0)
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return "";
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if(_name.Length <= 0)
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{
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if((_tocMode == DataMode.Binary )&&(_associatedFile!=null))
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{
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if( _topicOffset >= 0)
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{
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TopicEntry te = (TopicEntry) (_associatedFile.TopicsFile[_topicOffset]);
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if(te != null)
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{
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return te.Title;
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}
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}
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}
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}
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return _name;
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}
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set
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{
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_name = value;
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}
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}
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/// <summary>
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/// Gets/Sets the local of the item
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/// </summary>
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public string Local
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{
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get
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{
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if(_mergeLink.Length > 0)
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return "";
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if(_local.Length <= 0)
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{
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if((_tocMode == DataMode.Binary )&&(_associatedFile!=null))
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{
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if( _topicOffset >= 0)
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{
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TopicEntry te = (TopicEntry) (_associatedFile.TopicsFile[_topicOffset]);
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if(te != null)
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{
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return te.Locale;
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}
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}
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}
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}
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return _local;
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}
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set { _local = value; }
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}
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/// <summary>
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/// Gets/Sets the chm file
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/// </summary>
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public string ChmFile
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{
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get
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{
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if(_associatedFile!=null)
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return _associatedFile.ChmFilePath;
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return _chmFile;
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}
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set { _chmFile = value; }
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}
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/// <summary>
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/// Gets the url for the webbrowser for this file
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/// </summary>
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public string Url
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{
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get
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{
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string sL = Local;
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if( (sL.ToLower().IndexOf("http://") >= 0) ||
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(sL.ToLower().IndexOf("https://") >= 0) ||
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(sL.ToLower().IndexOf("mailto:") >= 0) ||
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(sL.ToLower().IndexOf("ftp://") >= 0) ||
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(sL.ToLower().IndexOf("ms-its:") >= 0))
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return sL;
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return HtmlHelpSystem.UrlPrefix + ChmFile + "::/" + sL;
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}
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}
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/// <summary>
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/// Gets/Sets the image index of the item
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/// </summary>
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/// <remarks>Set this to -1 for a default icon</remarks>
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public int ImageIndex
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{
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get
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{
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if( _imageIndex == -1)
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{
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int nFolderAdd = 0;
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if((_associatedFile != null) && (_associatedFile.ImageTypeFolder))
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{
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// get the value which should be added, to display folders instead of books
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if(HtmlHelpSystem.UseHH2TreePics)
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nFolderAdd = 8;
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else
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nFolderAdd = 4;
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}
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if( _children.Count > 0)
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return (HtmlHelpSystem.UseHH2TreePics ? (STD_FOLDER_HH2+nFolderAdd) : (STD_FOLDER_HH1+nFolderAdd));
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return (HtmlHelpSystem.UseHH2TreePics ? STD_FILE_HH2 : STD_FILE_HH1);
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}
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return _imageIndex;
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}
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set { _imageIndex = value; }
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}
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/// <summary>
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/// Gets/Sets the children of this item.
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/// </summary>
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/// <remarks>Each entry in the ArrayList is of type TOCItem</remarks>
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public ArrayList Children
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{
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get { return _children; }
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set { _children = value; }
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}
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/// <summary>
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/// Gets the internal hashtable storing all params
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/// </summary>
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public Hashtable Params
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{
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get { return _otherParams; }
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}
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}
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}
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