Prevent WPF-UI default styles on specific controls (treeview with grid columns)

[facreationz]

I'm trying to implement a treeview with grid-based columns (like a tree-listview) in my existing WPF-UI based project - as demonstrated in this example here: https://dlaa.me/blog/post/9898803

A treelistview should look like this (without the WPF-UI implemented):

However, in a WPF-UI based project, the grid columns do not align under the right places and appears like this:

This is obviously because of the default control styling implementing by WPF-UI. But I'm unable to figure out how to prevent / bypass the WPF-UI styling on the grid so that it doesn't mess up with the column widths. Anybody can suggest me how to achieve this in WPF-UI framework?

[dirvo]

I'm facing a similar issue where I'm using a standard TextBox with custom styling and WPF UI controls within the same project. WPF UI imports a default style for TextBox that e.g. applies a bottom border to the textbox. Why does WPF UI override the default styles for built-in controls?