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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Windows.Forms;
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using System.Xml.Linq;
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namespace GeoSigma.SigmaDrawerUtil
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{
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public class XmlConfig
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{
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public virtual string SectionName { get; set; }
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public string FileName; //INI文件名
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string fileName = "\\SigmaConfig.xml";
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XDocument xmlDoc;
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private XElement sectionElement;
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/// <summary>
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/// 构造函数
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/// </summary>
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public XmlConfig()
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{
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if(string.IsNullOrEmpty(SectionName))
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{
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return;
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}
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var path = Application.StartupPath;
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var strXmlFile = path + fileName;
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if (!File.Exists(strXmlFile))
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{
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xmlDoc = new XDocument();
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}
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else
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{
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xmlDoc = XDocument.Load(strXmlFile);
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}
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// 取到根结点
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XElement rootEle = xmlDoc.Element("Config");
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if(rootEle == null)
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{
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xmlDoc.Add(new XElement("Config"));
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rootEle = xmlDoc.Element("Config");
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}
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sectionElement = rootEle.Element(SectionName);
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if (sectionElement == null)
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{
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rootEle.Add(new XElement(SectionName));
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sectionElement = rootEle.Element(SectionName);
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}
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}
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/// <summary>
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/// 相关属性
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/// </summary>
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public virtual void ResetAttributes()
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{
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if (SectionAttributes != null && SectionAttributes.Count > 0)
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{
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for (int i = 0; i < SectionAttributes.Count; i++)
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{
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XAttribute attr = sectionElement.Attribute(SectionAttributes[i].Name);
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if (attr != null)
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{
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attr.Value = SectionAttributes[i].Value;
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}
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else
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{
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sectionElement.Add(SectionAttributes[i]);
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}
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}
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}
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}
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public List<XAttribute> SectionAttributes
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{
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get;
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set;
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} = new List<XAttribute>();
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public string GetValue(string key)
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{
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string strValue = sectionElement.Element(key)?.Value;
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return strValue;
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}
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public void SetValue(string key, string value)
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{
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XElement ele = sectionElement.Element(key);
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if(ele == null)
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{
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sectionElement.Add(new XElement(key, value));
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}
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else
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{
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ele.Value = value;
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}
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}
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public void ResetValues(string key, List<string> values)
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{
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List<XElement> elements = sectionElement.Elements(key).ToList();
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for(int i = 0; i < elements.Count; i++)
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{
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elements[i].Remove();
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}
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foreach(string eleValue in values)
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{
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sectionElement.Add(new XElement(key, eleValue));
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}
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}
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public void Save()
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{
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var path = Application.StartupPath;
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var strXmlFile = path + fileName;
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xmlDoc?.Save(strXmlFile);
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}
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/// <summary>
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/// 查找所有指定键对应的值
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/// </summary>
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/// <param name="key"></param>
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/// <returns></returns>
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public List<string> FindValues(string key)
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{
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IEnumerable<string> eles =
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from ele in sectionElement.Elements()
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where ele.Name.ToString().Equals(key)
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select ele.Value;
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return eles?.ToList();
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}
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////写INI文件
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//public void WriteString(string Section, string Ident, string Value)
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//{
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// if (!WritePrivateProfileString(Section, Ident, Value, FileName))
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// {
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// throw (new ApplicationException("写Ini文件出错"));
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// }
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//}
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////读取INI文件指定
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//public string ReadString(string Section, string Ident, string Default)
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//{
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// Byte[] Buffer = new Byte[65535];
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// int bufLen = GetPrivateProfileString(Section, Ident, Default, Buffer, Buffer.GetUpperBound(0), FileName);
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// //必须设定0（系统默认的代码页）的编码方式，否则无法支持中文
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// string s = Encoding.GetEncoding(0).GetString(Buffer);
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// s = s.Substring(0, bufLen);
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// return s.Trim();
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//}
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////读整数
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//public int ReadInteger(string Section, string Ident, int Default)
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//{
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// string intStr = ReadString(Section, Ident, Convert.ToString(Default));
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// try
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// {
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// return Convert.ToInt32(intStr);
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// }
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// catch (Exception ex)
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// {
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// Console.WriteLine(ex.Message);
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// return Default;
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// }
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//}
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////写整数
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//public void WriteInteger(string Section, string Ident, int Value)
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//{
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// WriteString(Section, Ident, Value.ToString());
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//}
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////读布尔
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//public bool ReadBool(string Section, string Ident, bool Default)
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//{
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// try
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// {
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// return Convert.ToBoolean(ReadString(Section, Ident, Convert.ToString(Default)));
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// }
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// catch (Exception ex)
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// {
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// Console.WriteLine(ex.Message);
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// return Default;
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// }
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//}
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////写Bool
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//public void WriteBool(string Section, string Ident, bool Value)
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//{
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// WriteString(Section, Ident, Convert.ToString(Value));
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//}
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////从Ini文件中，将指定的Section名称中的所有Ident添加到列表中
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//public void ReadSection(string section, StringCollection Idents)
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//{
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// Byte[] Buffer = new Byte[16384];
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// //Idents.Clear();
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// int bufLen = GetPrivateProfileString(section, null, null, Buffer, Buffer.GetUpperBound(0), FileName);
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// //对Section进行解析
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// GetStringsFromBuffer(Buffer, bufLen, Idents);
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//}
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//private void GetStringsFromBuffer(Byte[] Buffer, int bufLen, StringCollection Strings)
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//{
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// Strings.Clear();
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// if (bufLen != 0)
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// {
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// int start = 0;
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// for (int i = 0; i < bufLen; i++)
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// {
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// if ((Buffer[i] == 0) && ((i - start) > 0))
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// {
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// String s = Encoding.GetEncoding(0).GetString(Buffer, start, i - start);
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// Strings.Add(s);
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// start = i + 1;
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// }
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// }
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// }
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//}
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////从Ini文件中，读取所有的Sections的名称
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//public void ReadSections(StringCollection SectionList)
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//{
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// //Note:必须得用Bytes来实现，StringBuilder只能取到第一个Section
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// byte[] Buffer = new byte[65535];
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// int bufLen = 0;
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// bufLen = GetPrivateProfileString(null, null, null, Buffer,
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// Buffer.GetUpperBound(0), FileName);
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// GetStringsFromBuffer(Buffer, bufLen, SectionList);
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//}
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////读取指定的Section的所有Value到列表中
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//public void ReadSectionValues(string Section, NameValueCollection Values)
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//{
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// StringCollection KeyList = new StringCollection();
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// ReadSection(Section, KeyList);
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// Values.Clear();
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// foreach (string key in KeyList)
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// {
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// Values.Add(key, ReadString(Section, key, ""));
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// }
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//}
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////清除某个Section
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//public void EraseSection(string Section)
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//{
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// if (!WritePrivateProfileString(Section, null, null, FileName))
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// {
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// throw (new ApplicationException("无法清除Ini文件中的Section"));
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// }
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//}
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////删除某个Section下的键
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//public void DeleteKey(string Section, string Ident)
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//{
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// WritePrivateProfileString(Section, Ident, null, FileName);
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//}
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////Note:对于Win9X，来说需要实现UpdateFile方法将缓冲中的数据写入文件
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////在Win NT, 2000和XP上，都是直接写文件，没有缓冲，所以，无须实现UpdateFile
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////执行完对Ini文件的修改之后，应该调用本方法更新缓冲区。
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//public void UpdateFile()
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//{
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// WritePrivateProfileString(null, null, null, FileName);
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//}
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////检查某个Section下的某个键值是否存在
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//public bool ValueExists(string Section, string Ident)
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//{
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// StringCollection Idents = new StringCollection();
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// ReadSection(Section, Idents);
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// return Idents.IndexOf(Ident) > -1;
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//}
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////确保资源的释放
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//~Config()
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//{
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// UpdateFile();
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//}
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}
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}
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