void DoRightJob(TreeView tv, string topdir)
{
tv.Nodes.Clear();
TreeNode node = new TreeNode(topdir);
JobSearch job = new JobSearch()
{
Path = topdir, Root = node, ChildJobRemaining = 0,
};
BackgroundJob <JobSearch> worker = new BackgroundJob <JobSearch>(job);
worker.DoWork += delegate
{
JobSearch Job = worker.JobInfo;
var rootDirectory = new DirectoryInfo(topdir);
node.Tag = rootDirectory;
foreach (var dir in rootDirectory.GetDirectories())
{
TreeNode dirnode = new TreeNode(dir.Name);
dirnode.Tag = dir;
Job.Root.Nodes.Add(dirnode);
Job.ChildJobRemaining++;
if (this.InvokeRequired)
{
this.BeginInvoke(new Action(() => DoSubJob(Job, dirnode, dir.FullName)));
}
Thread.Sleep(100);
}
while (Job.ChildJobRemaining > 0)
{
Thread.Sleep(100);
}
};
worker.RunWorkerCompleted += delegate
{
worker.JobInfo.Finish();
tv.SuspendLayout();
tv.Nodes.Add(node);
//tv.ExpandAll();
tv.ResumeLayout();
};
worker.RunWorkerAsync();
}
void DoSubJob(JobSearch parentJob, TreeNode tp, string topdir)
{
JobSearch job = new JobSearch()
{
Path = topdir, Root = tp, ParentJob = parentJob, ChildJobRemaining = 0
};
BackgroundJob <JobSearch> worker = new BackgroundJob <JobSearch>(job);
worker.DoWork += delegate
{
JobSearch Job = worker.JobInfo;
var rootDirectory = tp.Tag as DirectoryInfo;
try
{
var dirs = rootDirectory.GetDirectories();
foreach (var dir in dirs)
{
TreeNode dirnode = new TreeNode(dir.Name);
dirnode.Tag = dir;
Job.Root.Nodes.Add(dirnode);
if (this.InvokeRequired)
{
this.BeginInvoke(new Action(() => DoSubJob(Job, dirnode, dir.FullName)));
}
Thread.Sleep(100);
}
}
catch { }
while (Job.ChildJobRemaining > 0)
{
Thread.Sleep(100);
}
};
worker.RunWorkerCompleted += delegate
{
worker.JobInfo.Finish();
worker.JobInfo.ParentJob.ChildJobRemaining--;
};
worker.RunWorkerAsync();
}
