Accessing MainWindow's controls from a user control page. WPF C#

Question

I have a page transition ( a control ) in the MainWindow , I have many user control pages , I want to access the page transition in the MainWindow from my user control page ? How do I do that? I tried :

        Story page = new Story();
        NavigationService nav = NavigationService.GetNavigationService(this);
        // Navigate to the page, using the NavigationService
      //  if (nav != null)
       // { 
        //    nav.Navigate(page);
            MainWindow test = new MainWindow();
            test.pageTransition1.ShowPage(page);

    //    }

Jawahar · Accepted Answer · 2013-07-10 04:50:02Z

12

Application.Current.MainWindow

Using this you can access the MainWindow from any place.

answered Jul 10, 2013 at 4:50

Jawahar

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Romano Zumbé · Accepted Answer · 2013-07-10 09:36:11Z

2

You could find the WpfPageTransitions.PageTransition control like this from the UserControls code behind:

public static WpfPageTransitions.PageTransition FindPageControl(DependencyObject child)
{
    DependencyObject parent= VisualTreeHelper.GetParent(child);

    if (parent == null) return null;

    WpfPageTransitions.PageTransition page = parent as WpfPageTransitions.PageTransition;
    if (page != null)
    {
        return page;
    }
    else
    {
        return FindPageControl(parent);
    }
}

Then you can use it like this:

this.FindPageControl(this).ShowPage(...);

edited Jul 10, 2013 at 9:36

answered Jul 10, 2013 at 4:25

Romano Zumbé

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4 Comments

user2376998 Over a year ago

hey thanks for the reply but PageTransition is not a WPF control , i added in the control from other source ..

user2376998 Over a year ago

so when i do the above , PageTransition will be missing

user2376998 Over a year ago

i added reference of the page transition and add to controls tab , i got this page transitions from here : codeproject.com/Articles/197132/Simple-WPF-Page-Transitions

Romano Zumbé Over a year ago

You will just have to reference the object with it's full namespace. I've edited my code. Perhaps you could edit your question too, this would clarify it for other users.

Muhamed Shafeeq · Accepted Answer · 2017-10-10 08:17:42Z

1

Create A Method Inside Main Window for Choosing Page Transition

 public   void ChangePage()
        {
            pageTransitionControl.ShowPage(new NewData());
        }

Then in Child control

private void btnUpdate_Click(object sender,RoutedEventArgs e)
        {

            MainWindow win = (MainWindow)Window.GetWindow(this);
            win.ChangePage();
        }

answered Oct 10, 2017 at 8:17

Muhamed Shafeeq

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