/// <summary>
/// Creates a File System node with a given path
/// </summary>
/// <param name="path">Path that this node represents</param>
/// <param name="depth">Integer represnting how deep in the hierarchy this node is</param>
public FileSystemNode(string path, FileSystemNode parent)
{
//fill in the relevant details
fullPath = path;
this.parent = parent;
//get the icon
GenerateNodeDisplayDetails();
}
/// <summary>
/// Populates this node as a root node representing "My Computer"
/// </summary>
private void GenerateRootNode()
{
// if we have data, we can't become a root node.
if (children != null)
return;
//get the display name of the first logical drive
fullPath = "";
this.parent = null;
//get our drives
string[] drives = Environment.GetLogicalDrives();
//create space for the children
children = new FileSystemNode[drives.Length];
for (int i = 0; i < drives.Length; i++)
{
//create the child value
children[i] = new FileSystemNode(drives[i], this);
}
//get the icon
GenerateNodeDisplayDetails();
}
/// <summary>
/// Updates the contents of this node.
/// </summary>
public void UpdateNode()
{
try
{
//if we have not allocated our children yet
if (children == null)
{
//get sub-folders for this folder
Array subFolders = System.IO.Directory.GetDirectories(fullPath);
//create space for the children
children = new FileSystemNode[subFolders.Length];
for (int i = 0; i < subFolders.Length; i++)
{
//create the child value
children[i] = new FileSystemNode(subFolders.GetValue(i).ToString(), this);
}
}
}
/**
* This is just a sample, so has bad error handling ;)
*
**/
catch (System.Exception ioex)
{
//write a message to stderr
System.Console.Error.WriteLine(ioex.Message);
}
}
