private void toBrowse(object sender, EventArgs e)
{
string msg;
ObjectListView listView = sender as ObjectListView;
MyFileSystemInfo p = (MyFileSystemInfo)listView.SelectedObject;
if (p == null)
{
msg = listView.SelectedIndices.Count.ToString();
}
else
{
msg = string.Format("'{0}'", p.Name);
Debug.WriteLine(msg);
folderContents.Clear();
browsingFolder = new HashSet <string>();
foreach (MyFileSystemInfo c in p.GetFileSystemInfos())
{
Debug.WriteLine(c.Name);
if (Regex.Match(c.Name, "\\.(png)|(jpg)").Success)
{
folderContents.Add(new Thumbnail(c.Name, c.FullName), ref browsingFolder);
}
}
}
// Person focused = listView.FocusedItem == null ? null : (((OLVListItem)listView.FocusedItem).RowObject) as Person;
// this.lbTreeItemName.Text = string.Format("Selected {0} of {1} items", msg, listView.GetItemCount());
}
void InitializeTreeListExample()
{
this.treeListView.HierarchicalCheckboxes = true;
this.treeListView.HideSelection = false;
this.treeListView.CanExpandGetter = delegate(object x) {
return(((MyFileSystemInfo)x).IsDirectory);
};
this.treeListView.ChildrenGetter = delegate(object x) {
MyFileSystemInfo myFileSystemInfo = (MyFileSystemInfo)x;
try
{
return(myFileSystemInfo.GetFileSystemInfos());
}
catch (UnauthorizedAccessException ex)
{
MessageBox.Show(this, ex.Message, "ObjectListViewDemo", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return(new ArrayList());
}
};
// You can change the way the connection lines are drawn by changing the pen
TreeListView.TreeRenderer renderer = this.treeListView.TreeColumnRenderer;
renderer.LinePen = new Pen(Color.Firebrick, 0.5f);
renderer.LinePen.DashStyle = DashStyle.Dot;
//-------------------------------------------------------------------
// Eveything after this is the same as the Explorer example tab --
// nothing specific to the TreeListView. It doesn't have the grouping
// delegates, since TreeListViews can't show groups.
// Draw the system icon next to the name
SysImageListHelper helper = new SysImageListHelper(this.treeListView);
this.colName.ImageGetter = delegate(object x) {
return(helper.GetImageIndex(((MyFileSystemInfo)x).FullName));
};
// Show the size of files as GB, MB and KBs. Also, group them by
// some meaningless divisions
this.colSize.AspectGetter = delegate(object x) {
MyFileSystemInfo myFileSystemInfo = (MyFileSystemInfo)x;
if (myFileSystemInfo.IsDirectory)
{
return((long)-1);
}
try
{
return(myFileSystemInfo.Length);
}
catch (System.IO.FileNotFoundException)
{
// Mono 1.2.6 throws this for hidden files
return((long)-2);
}
};
this.colSize.AspectToStringConverter = delegate(object x) {
if ((long)x == -1) // folder
{
return("");
}
return(FormatFileSize((long)x));
};
// Show the system description for this object
this.colType.AspectGetter = delegate(object x) {
return(ShellUtilities.GetFileType(((MyFileSystemInfo)x).FullName));
};
// Show the file attributes for this object
this.colAttrs.AspectGetter = delegate(object x) {
return(((MyFileSystemInfo)x).Attributes);
};
FlagRenderer attributesRenderer = new FlagRenderer();
attributesRenderer.Add(FileAttributes.Archive, "archive");
attributesRenderer.Add(FileAttributes.ReadOnly, "readonly");
attributesRenderer.Add(FileAttributes.System, "system");
attributesRenderer.Add(FileAttributes.Hidden, "hidden");
attributesRenderer.Add(FileAttributes.Temporary, "temporary");
this.colAttrs.Renderer = attributesRenderer;
this.colAttrs.ClusteringStrategy = new FlagClusteringStrategy(typeof(FileAttributes));
// List all drives as the roots of the tree
ArrayList roots = new ArrayList();
foreach (DriveInfo di in DriveInfo.GetDrives())
{
if (di.IsReady)
{
roots.Add(new MyFileSystemInfo(new DirectoryInfo(di.Name)));
break;
}
}
this.treeListView.Roots = roots;
}
