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 int id = (int)quest.Attribute("ID");					

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<Chinaquesten>
  <Janganquestliste>
    <Quests>
      <Quest ID="0">
        <name>Weapon Dealer's Letter

</name>
        <mission>Deliver weapons list


</mission>
        <Reward>Exp 255, Gold 205


</Reward>
        <form>1

</form>
        <npc>Chulsan(Jangan blacksmith) / Jingyo



</npc>
        <Monster>None</Monster>
      </Quest>
    </Quests>
    <Quests>
      <Quest ID="1">
        <name>Lost Child

</name>
        <mission>Find one of the shoes of the child taken by one eyed monsters

</mission>
        <Reward>Exp 375, Gold 475


</Reward>
        <form>1

</form>
        <npc>Hwangno, village chief of Jangan



</npc>
        <Monster>Small-eyed ghosts/big-eyed ghosts</Monster>
      </Quest>
    </Quests>
   <Janganquestliste>
<Chinaquesten>					

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        private void button1_Click(object sender, EventArgs e)
        {
            XDocument doc1 = XDocument.Load("C:/Chinaquesten.xml");
            var quests = doc1.XPathSelectElements("Chinaquesten/Janganquestliste/Quests/Quest");

            int a = 0;
            foreach (var quest in quests)
            {              
                MessageBox.Show(quests.ElementAt<XElement>(a).Value);
                a++;
            }
        }					

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private void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
        {
            XDocument doc1 = XDocument.Load("C:/Chinaquesten.xml");
            var quests = doc1.XPathSelectElements("Chinaquesten/Janganquestliste/Quests/Quest");

            int a = 0;
            foreach (var quest in quests)
            {
                string questen = quest.Value;
                // hier greif ich per (a) auf index zu, ..wie mach ich das, wenn ich
das einzeln haben moechte?(siehe unten->Questzuweisung)
                //MessageBox.Show(quests.ElementAt<XElement>(a).Value);
                a++;
                switch (e.Node.SelectedImageIndex)
                {
                    //index 0- weise Quest 1 zu---->funktioniert
                    case 20: RTBclear(); if (a == 0){ richTextBox1.Text = questen; }break;              
                    //index 1- weise Quest 2 zu--_->funktioniert nicht
                    case 21: RTBclear(); if (a == 1) { richTextBox1.Text = questen; } break;
                }
            }
        }					

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        private void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
        {
            XDocument doc1 = XDocument.Load("C:/Chinaquesten.xml");
            var quests = doc1.XPathSelectElements("Chinaquesten/Janganquestliste/Quests/Quest");

            for (int i = 0; i < quests.Count<XElement>(); i++)
            {
                string questen = quests.ElementAt<XElement>(i).Value;
                //switch (e.Node.SelectedImageIndex)
                //{
                //    case 20: 
                //        RTBclear(); 
                //        if (i == 0) 
                //        { 
                //            richTextBox1.Text = quests.
                //            break;
                //        } 
                //        break;
                //    case 21: 
                //        RTBclear(); 
                //        if (i == 1) 
                //        { 
                //            richTextBox1.Text = quests.ElementAt<XElement>(i).Value;
                //            break;
                //        } 
                //        break;
                //}
                if (e.Node.SelectedImageIndex == 20) {
                    if (i == 1) { richTextBox1.Text = questen; }
                }
                else if (e.Node.SelectedImageIndex == 21) {
                    if (i == 2) { richTextBox1.Text = questen; }
                }
            }
        }					

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        /// <summary>
        ///     Schalte Questen aus Xml durch
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void treeView1_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
        {
            
            XDocument doc1 = XDocument.Load("C:/Chinaquesten.xml");
            var quests = doc1.XPathSelectElements("Chinaquesten/Janganquestliste/Quests/Quest");

            // um an einzelne Elemente zu kommen
            foreach (var quest in quests)
            {
                // alle Elemente 
                for (int i = 0; i < quests.Count<XElement>(); i++)
                {
                    // Einzelzuweisung
                    string name = quest.Element("name").Value;
                    string mission = quest.Element("mission").Value;
                    string reward = quest.Element("Reward").Value;
                    string form = quest.Element("form").Value;
                    string npc = quest.Element("npc").Value;
                    string monster = quest.Element("Monster").Value;
                    string scenDE = quest.Element("ScenarioDeutsch").Value;
                    string scenENG = quest.Element("ScenarioEnglisch").Value;    

                    if (e.Node.SelectedImageIndex == 20)
                    {
                        if (i == 0)
                        {
                            RTBclear(); // Textbox text loeschen
                            richTextBox1.Text = questen;

                            // kann den Pfad leider nicht extra auslagern, viell. nehm ich spaeter eine String Klasse
                            // und lese die Strings per get und dem Index aus
                            pictureBox1.ImageLocation = Path.Combine(Application.StartupPath, @"Bilder\bigeyedghost.jpg");
                            // Hier reicht auch eine Variable...das ist nur ein Test
                            if (DE == true && ENG == false) { richTextBox2.Clear(); richTextBox2.Text = "!!!!!"; }
                            if (ENG == true && DE == false) { richTextBox2.Clear(); richTextBox2.Text = "???"; }
                        }
                    }
                    if (e.Node.SelectedImageIndex == 21)
                    {
                       //etc....
                    }
                }
            }
        }					

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foreach (var quest in quets)
{
    // Einzelzuweisung
    string name = quest.Element("name").Value;
    string mission = quest.Element("mission").Value;
    string reward = quest.Element("Reward").Value;
    ...
}					

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public class QuestWrapper
{
    public XElement Quest { get; set; }

    public string Name { get { return Quest.Element("name").Value; } }

    public string Mission { get { return Quest.Element("mission").Value; } }

    ....

    public QuestWrapper()
    {

    }

    public QuesetWrapper(XElement quest)
    {
        Quest = quest;
    }
}					

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QuestWrapper questObj = new QuestWrapper();
foreach (var quest in quests)
{
   questObj.Quest = quest;

   // Zugriff
   lQuestName.Text = questObj.Name;
   lQuestMission.Text = questObj.Mission;
   ....
}					

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public class QuestWrapper
{
    public XElement Quest { get; set; }

    public string Language { get; set; }

    public string Name { 
       get { return Quest.XPathSelectElement(string.Format(
                 "name[@language={0}]", Language)); }
    }
}					

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    public class getStrings
    {
        /// <summary>
        ///  instanziere Array
        /// </summary>
        string[] getstrings = 
        { 
            "Bilder\bigeyedghost.jpg"
            
        };

        /// <summary>
        ///  get array
        /// </summary>
        public string[] Elements
        {
            get { return getstrings; }
        }

        /// <summary>
        ///  indexer
        /// </summary>
        public string this[int index]
        {
            get { return getstrings[index]; }
        }
    }					

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 public QuesetWrapper(XElement quest)
 {
     Quest = quest;
 }					

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    public class QuestWrapper
    {
        public XElement Quest { get; set; }

        public string Name { get { return Quest.Element("name").Value; } }

        public QuestWrapper()
        {

        }

        public QuestWrapper(XElement quest)
        {
            Quest = quest;
        }
    }					

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 private void button1_Click(object sender, EventArgs e)
        {
            XDocument doc1 = XDocument.Load("C:/Chinaquesten.xml");
            var quests = doc1.XPathSelectElements("Chinaquesten/Janganquestliste/Quests/Quest");

            QuestWrapper tester = new QuestWrapper();
            
            foreach (var quest in quests)
            {
                string test = tester.REWARD;
                MessageBox.Show(test);
            }
        }					

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QuestWrapper tester = new QuestWrapper();
            
   foreach (var quest in quests)
   {
      tester.Quest = quest;
      string test = tester.REWARD;
      MessageBox.Show(test);
   }					

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MessageBox.Show(new QuestWrapper(quest).REWARD);