créer treeview dynamiquement

 
privatevoid AddDirectoryAndNode(TreeNode ParentNode, string DirectoryPath)
{
string[] directories = Directory.GetDirectories(DirectoryPath);

foreach(string childDirectoryPath in directories)
{
            TreeNode childNode = new TreeNode(childDirectoryPath);
            ParentNode.ChildNodes.Add(childNode);
            AddFilesToNode(childNode, childDirectoryPath);
}
}
 
 
privatevoid AddFilesToNode(TreeNode ParentNode, string FilePath)
{
string[] files = Directory.GetFiles(FilePath);
foreach(string childfile in files)
{
            TreeNode childNode = new TreeNode(childfile);
            ParentNode.ChildNodes.Add(childNode);
 
}
}
 

 
protectedvoid Button1_Click(object sender, EventArgs e)
{
        TreeNode initialNode;
 
string initialDirectory = @"C:\test_treeview";
 
        initialNode = new TreeNode(initialDirectory);
        TreeView1.Nodes.Add(initialNode);
        AddDirectoryAndNode(initialNode, initialDirectory);
}