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POPopulate TreeView from another class (or something better?) C#
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2012-09-15T11:00:18.237
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I'm trying to make a level reader application for one of my favourite games, and simply put this is what I'm trying to achieve currently: First 8 bytes of level file: <pre><code>0100000001000000 </code></pre> It states that the mesh version = 1 and vertex version = 1. I've made a GUI in which I have a treeview, and in the tree it has header, and in header it has vertex and mesh version. I would like to populate these with this data. Now this is where my first problem arises: I want to have all my reading done in its own class (for example, HeaderData, MaterialData), etc, just to make the code cleaner. Because I'm doing this in another class, I have NO idea how I can access my treeview from said class (if I were in the Form class I could just do treeView1.whatever, but I don't know how to access it from another class. Note: I've tried Levelreader.Form1.treeView1, but it doesn't exist). <pre><code>public void button1_Click(object sender, EventArgs e) { using (OpenFileDialog fileDialog = new OpenFileDialog()) { if (fileDialog.ShowDialog() != DialogResult.Cancel) { textBox1.Text = fileDialog.FileName; using (BinaryReader fileBytes = new BinaryReader(new MemoryStream(File.ReadAllBytes(textBox1.Text)))) { //Get the hex data in bytearray format //This won't be displayed int length = (int)fileBytes.BaseStream.Length; byte[] hex = fileBytes.ReadBytes(length); //File.WriteAllBytes(@"c:\temp_file.txt", hex); //This is what's displayed. //Remember to make changes to the byte array //and then update the view. string tempStr = BitConverter.ToString(hex).Replace("-", " "); richTextBox1.Text = tempStr; richTextBox1.ScrollBars = RichTextBoxScrollBars.ForcedVertical; //Instantiate the class Header temp = new Header(); temp.HeaderData(hex); } } } } </code></pre> This is the method, within the class Form1, in namespace LevelReader, that reads the file and then instantiates the class Header(). I then call HeaderData, and within that class I get the mesh and vertex version. <pre><code>namespace SceneStuff { public class Header { public void HeaderData(byte[] hex) { //First 4 Bytes = Mesh Version //Second 4 Bytes = Vertex Version byte[] meshVersion = hex.Take(4).ToArray(); byte[] vertexVersion = hex.Skip(4).Take(4).ToArray(); } } } </code></pre> in THIS method is where I want to use this data to populate my treeview. And say for example I changed some information in the level, such as changing the mesh version to 2, I want, when I press 'Compile Level' (in my apps GUI) to read from the TreeView, as I believe it would be best that way. However, if you have suggestions, please state them, as I'm new to c#! So in summary, here are my two problems: 1) How can I access my treeview from another namespace/class? 2) Do you have any suggestions to improve my code? (and the way I plan to compile my levels?) Thanks! P.S. I apologize for the wall of text! >_< Edit: I have another problem which is that I can't seem to populate my node. It is created like this: <pre><code> private void InitializeComponent() { this.components = new System.ComponentModel.Container(); System.Windows.Forms.TreeNode treeNode2 = new System.Windows.Forms.TreeNode("Mesh Version"); </code></pre> and below: <pre><code> treeNode2.Name = "meshVersion"; treeNode2.Text = "Mesh Version"; </code></pre> I've tried adding treeNode2 as a reference to my method, but that doesn't work. I've tried to select it with <code>treeView1.SelectedNode = treeView1.Nodes[1].Nodes[1];</code> but that doesn't seem to work either. (here is an image of the GUI, which shows that <code>Nodes[1].Nodes[1]</code> is, I think, what I'm trying to access (I'm trying to access Mesh Version) <a href="http://i.imgur.com/hahhG.png" rel="nofollow">http://i.imgur.com/hahhG.png</a> So what I need to do is to access that PRE EXISTING NODE and add a child to it. I just can't seem to find any tutorials that detail it in these circumstances and I don't understand it will enough to cater their tutorials to suit my needs. Thanks so much.
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<c#><winforms><treeview><populate><level>
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Populate TreeView from another class (or something better?) C#
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