private string BuildDrivesTreeView()
{
DrivesTreeView.BeginUpdate();
// Store all the bookmark nodes
var bookmarks = new List <TreeNode>();
if (DrivesTreeView.Nodes.Count > 0)
{
foreach (TreeNode node in DrivesTreeView.Nodes[0].Nodes)
{
if (node.Tag is BookmarkTag)
{
bookmarks.Add(node);
}
}
DrivesTreeView.Nodes.Clear();
}
TreeNode root = DrivesTreeView.Nodes.Add("Computer");
root.Tag = new RootTag();
root.ImageIndex = m_iconListManager.AddStockIcon(StockIconID.DesktopPC);
string firstReadyDrivePath = null;
foreach (var drive in DriveInfo.GetDrives())
{
if (drive.IsReady)
{
firstReadyDrivePath = firstReadyDrivePath ?? drive.RootDirectory.FullName;
AddDriveToTree(root, drive);
}
}
// Add the recycle bin
/*
* int recycleBinIconIndex = m_iconListManager.AddStockIcon(StockIconID.Recycler);
*
* root.Nodes.Add(new TreeNode($"Recycle Bin", recycleBinIconIndex, recycleBinIconIndex)
* {
* Tag = new RecycleBinTag()
* });
*/
// Re-add the bookmarks
foreach (var bookmark in bookmarks)
{
root.Nodes.Add(bookmark);
}
root.Expand();
DrivesTreeView.EndUpdate();
return(firstReadyDrivePath);
}
private string BuildDrivesTreeView()
{
DrivesTreeView.BeginUpdate();
TreeNode root = DrivesTreeView.Nodes.Add("Computer");
root.ImageIndex = m_iconListManager.AddStockIcon(StockIconID.DesktopPC);
string firstReadyDrivePath = null;
foreach (var drive in DriveInfo.GetDrives())
{
if (drive.IsReady)
{
firstReadyDrivePath = firstReadyDrivePath ?? drive.RootDirectory.FullName;
AddDriveToTree(root, drive);
}
}
root.Expand();
DrivesTreeView.EndUpdate();
return(firstReadyDrivePath);
}
private void UpdateDrivesTreeView()
{
// Refresh if files have been deleted or added.
Dictionary <string, TreeNode> drivesInView = new Dictionary <string, TreeNode>();
List <DriveInfo> drivesToAdd = new List <DriveInfo>();
// Build up a list of items in the view
// Then run through all of the drives nulling out the items that we find
// Anything left in the list of view items must have been deleted
foreach (TreeNode node in DrivesTreeView.Nodes[0].Nodes)
{
if (node.Tag is LazyDirectoryTag)
{
drivesInView.Add((node.Tag as LazyDirectoryTag).Path.ToLower(), node);
}
else if (node.Tag is DirectoryTag)
{
drivesInView.Add((node.Tag as DirectoryTag).Path.ToLower(), node);
}
}
foreach (var drive in DriveInfo.GetDrives())
{
if (drive.IsReady)
{
string key = drive.RootDirectory.FullName.ToLower();
if (!drivesInView.ContainsKey(key))
{
// New directory to add
drivesToAdd.Add(drive);
}
else
{
// Mark as still present on disk by setting the ListViewItem to null
drivesInView[key] = null;
}
}
}
// Find all of the items that have been deleted
List <TreeNode> itemsToDelete = drivesInView.Where(x => x.Value != null).Select(x => x.Value).ToList();
DrivesTreeView.BeginUpdate();
DrivesTreeView.SuspendLayout();
foreach (TreeNode item in itemsToDelete)
{
item.Remove();
}
foreach (var drive in drivesToAdd)
{
AddDriveToTree(DrivesTreeView.Nodes[0], drive);
}
DrivesTreeView.EndUpdate();
DrivesTreeView.ResumeLayout();
}
private void DrivesTreeView_MouseClick(object sender, MouseEventArgs e)
{
TreeViewHitTestInfo info = DrivesTreeView.HitTest(e.X, e.Y);
if (info.Node != null)
{
if (e.Button == MouseButtons.Left)
{
// If the selection is different we'll call the event handler anyway. Only need
// to force the event handler call if the node is the same as the currently selected one.
if (DrivesTreeView.SelectedNode == info.Node)
{
DrivesTreeView_AfterSelect(sender, new TreeViewEventArgs(info.Node));
}
}
else
{
m_preventDirectoryChangeEventOnTreeNodeSelect = true;
DrivesTreeView.SelectedNode = info.Node;
m_preventDirectoryChangeEventOnTreeNodeSelect = false;
}
}
}
