listbox of xaml windows

Question

1.00/5 (1 vote)

See more:

I created a new Xaml Windows application named Slide with some elements. I want to see list of this Slides instances in listbox element.

C#

List slides = new List();
public void BtnNewSlide_OnClick(object sender, RoutedEventArgs e)
{
    slides.Add(new Slide());
    SlidesList.Items.Clear();
    SlidesList.ItemsSource = slides.ToList();
}

but I get this error when click on BtnNewSlide:

"Window must be the root of the tree. Cannot add Window as a child of Visual."
So how Can I create listbox of xaml windows?

Posted 22-Aug-15 0:41am

Member 11684013

Add a Solution

Comments

D V L 22-Aug-15 9:34am

error say simple and clear.
"Window must be the root of the tree. Cannot add Window as a child of Visual."

you can use UserControl.

Member 11684013 22-Aug-15 10:32am

Thank you, but how?

Afzaal Ahmad Zeeshan 23-Aug-15 22:52pm

I was just being suspicious about the code, but now I am sure that the code doesn't work. The List is either generic or a third-party, plus the type name of the a ListView is a ListView not a List.

2 solutions

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Mahindra Shambharkar · Answer 1 · 2015-08-23T06:27:00

Error simply says that you are trying to add Window control type to control's child list.
I mean ,suppose created one xaml of type Window(class from which you are inheriting your xaml) and again adding other class of Window type in newly created visual tree.

In your code, I presume Slide class is of type Window and you are adding that object to List ,That is the reason you are getting error.
Try modifying Slide class as UserControl Type.

Maciej Los · Answer 2 · 2015-08-23T10:32:00

Solution 2

It's pretty easy: Quickstart: adding ListView and GridView controls (XAML)[^]

Posted 23-Aug-15 10:32am

Maciej Los