TrayIcon content does not react to DynamicResource changes

[NikasZalias]

How can I make my TrayIcon react to Theme changes? When I change my app theme from light to dark or vice versa, tray icon stays the same until I restart app. Why is it like that?

[NikasZalias]

@punker76

[angelwzr]

I'm interested in finding out what causes this behavior too. @NikasZalias were you able to fix this after all?

[sirdoombox]

I'm also having similar issues using MahApps styles for the ContextMenu and MenuItem, for some reason only the foreground hover brush is changed when you change themes, but the foreground/background is not.

[Symbai]

Same

[CoelWu]

Same here, I'm setting the MenuItem's header to a dynamicResource, it just does not change when the dynamicResource changes.

[CoelWu]

@punker76

[Lakritzator]

Maybe someone can make a minimalistic example project for this?

[Erapchu]

As a solution: subscribe to TrayContextMenuOpen event of TaskbarIcon, and call UpdateDefaultStyle for context menu that required to be updated. Or call UpdateDefaultStyle when theme changed.

[Erapchu]

Popup control that host context menu or other controls can't correctly get dynamic resources changes from Application merged resource I guess. Popup on the same visual level where Application exists.

[DarkPro1337]

As a solution: subscribe to TrayContextMenuOpen event of TaskbarIcon, and call UpdateDefaultStyle for context menu that required to be updated. Or call UpdateDefaultStyle when theme changed.

Working as intended now, much thanks!

[Erapchu]

Oh, as an example:

https://github.com/Erapchu/PasswordManager/blob/master/PasswordManager/Views/TrayIcon.xaml.cs

[Lakritzator]

I need to look into this again, I am also faced with the issue, so maybe I can add something to support a style update.

Btw. example link mentioned above moved to here: https://github.com/Erapchu/SinglePass.WPF/blob/master/SinglePass.WPF/Views/TrayIcon.xaml.cs

[Erapchu]

I renamed repo, thanks @Lakritzator Want to leave this solution here, if anyone need it

private void TaskbarIcon_TrayContextMenuOpen(object sender, RoutedEventArgs e)
{
    // To apply DynamicResource changes
    TrayIconContextMenu?.UpdateDefaultStyle();
}