Sign Up

Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.

Have an account? Sign In

Have an account? Sign In Now

Sign In

Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.

Sign Up Here

Forgot Password?

Don't have account, Sign Up Here

Forgot Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

Have an account? Sign In Now

You must login to ask a question.

Forgot Password?

Need An Account, Sign Up Here

Please briefly explain why you feel this question should be reported.

Please briefly explain why you feel this answer should be reported.

Please briefly explain why you feel this user should be reported.

Sign InSign Up

The Archive Base

The Archive Base Logo The Archive Base Logo

The Archive Base Navigation

  • Home
  • SEARCH
  • About Us
  • Blog
  • Contact Us
Search
Ask A Question

Mobile menu

Close
Ask a Question
  • Home
  • Add group
  • Groups page
  • Feed
  • User Profile
  • Communities
  • Questions
    • New Questions
    • Trending Questions
    • Must read Questions
    • Hot Questions
  • Polls
  • Tags
  • Badges
  • Buy Points
  • Users
  • Help
  • Buy Theme
  • SEARCH
Home/ Questions/Q 5933725
In Process

The Archive Base Latest Questions

Editorial Team
  • 0
Editorial Team
Asked: May 22, 20262026-05-22T15:00:50+00:00 2026-05-22T15:00:50+00:00

WPF expander collapses after the itemsource/data is refreshed. How can I open the single

  • 0

WPF expander collapses after the itemsource/data is refreshed.
How can I open the single node that was previously opened, I’m using MVVM Light

Datagrid > GroupStyle > Setter > Control Template > Expander

  • 1 1 Answer
  • 0 Views
  • 0 Followers
  • 0
Share
  • Facebook
  • Report

Leave an answer
Cancel reply

You must login to add an answer.

Forgot Password?

Need An Account, Sign Up Here

1 Answer

  • Voted
  • Oldest
  • Recent
  • Random
  1. Editorial Team
    Editorial Team
    2026-05-22T15:00:51+00:00Added an answer on May 22, 2026 at 3:00 pm

    Create a boolean property in your view model and bind Expander.IsExpanded to it.

    • 0
    • Reply
    • Share
      Share
      • Share on Facebook
      • Share on Twitter
      • Share on LinkedIn
      • Share on WhatsApp
      • Report

Sidebar

Related Questions

Using WPF, I have a TreeView control that I want to set its ItemTemplate
I have expanders that contain text boxes, the text boxes use the wpf validation
WPF, Browserlike app. I got one page containing a ListView. After calling a PageFunction
WPF doesn't provide the ability to have a window that allows resize but doesn't
I have a WPF window with expandable panel (via Expander ). The panel is
How can I customize the menu to the situation in WPF? I have a
WPF's view model oriented way of doing things makes it very tempting to just
WPF GridSplitter makes my Grid wider than my Window! I've got a WPF Grid
WPF validation system performs intial validatation of an object (I mean - all fields
Learning WPF nowadays. Found something new today with .Net dependency properties. What they bring

Explore

  • Home
  • Add group
  • Groups page
  • Communities
  • Questions
    • New Questions
    • Trending Questions
    • Must read Questions
    • Hot Questions
  • Polls
  • Tags
  • Badges
  • Users
  • Help
  • SEARCH

Footer

© 2021 The Archive Base. All Rights Reserved
With Love by The Archive Base

Insert/edit link

Enter the destination URL

Or link to existing content

    No search term specified. Showing recent items. Search or use up and down arrow keys to select an item.