I have an Xml file which tells me the controls that I have to add to a form but this Xml changes dynamically and I need to update the form.
Currently, I can read the XML fil
You can easily add controls via code in wpf, you can follow this article. Another thing worth noting is that XAML is a form of XML so you can you save your XAML to an XML file, that way you wouldn't need to add controls in code, however it depends on the complexity of your application.