public Window1ViewModel()
{
var drives = Directory.GetLogicalDrives();
foreach (var drive in drives)
{
var treeItem = new TreeViewItemViewModel
(
type: ItemModel.Types.Drive,
fullpath: drive,
isRoot: true
);
treeItem.Expanded += TreeViewItem_Expanded;
treeItem.Selected += TreeViewItem_Selected;
TreeViewItems.Add(treeItem);
var listItem = new ListViewItemViewModel
(
type: ItemModel.Types.Drive,
fullpath: drive,
isRoot: true
);
listItem.Selected += ListViewItem_Selected;
ListViewItems.Add(listItem);
}
}
public void TreeViewItem_Selected(object sender, EventArgs e)
{
// sender must be the original sender of this event
if (!(sender is TreeViewItemViewModel treeViewModel))
{
Console.WriteLine("Invalid sender");
return;
}
// update list view according to the selected folder in treeview
ListViewItems.Clear();
foreach (var treeViewItem in treeViewModel.Items)
{
var listViewItem = new ListViewItemViewModel(treeViewItem.Model);
listViewItem.Selected += ListViewItem_Selected;
ListViewItems.Add(listViewItem);
}
}