private async Task <FolderItem> CreateFolderWithSelectedAsParentAsync(string name)
{
try
{
var folderItem = await FolderItem.GetNew(name);
if (GetSelectedFolder() != null)
{
try
{
await folderItem.SetParentAsync(GetSelectedFolder());
}
catch (Exception exception)
{
var messageDialog = new MessageDialog("Error setting folder parent: " + exception.Message);
messageDialog.Commands.Add(new UICommand("Close"));
messageDialog.DefaultCommandIndex = 0;
messageDialog.CancelCommandIndex = 0;
await messageDialog.ShowAsync();
await folderItem.DeleteAsync();
return(null);
}
}
var newNode = new WinUI.TreeViewNode()
{
Content = folderItem
};
if (GetSelectedNode() != null)
{
GetSelectedNode().Children.Add(newNode);
treeView.Expand(GetSelectedNode());
}
else
{
treeView.RootNodes.Add(newNode);
}
SelectNode(newNode);
await Task.Delay(100);
var container = treeView.ContainerFromNode(newNode);
if (container != null)
{
var tvi = container as WinUI.TreeViewItem;
(tvi?.Content as EditableTextBlock)?.EnableEditMode();
}
return(folderItem);
}
catch (Exception exception)
{
var messageDialog = new MessageDialog("Error: " + exception.Message);
messageDialog.Commands.Add(new UICommand("Close"));
messageDialog.DefaultCommandIndex = 0;
messageDialog.CancelCommandIndex = 0;
await messageDialog.ShowAsync();
return(null);
}
}
