https://learn.microsoft.com/ru-ru/dotnet/api/system.windows.markup.xamlparseexception?view=netframework-4.8.1&viewFallbackFrom=net-10.0
XamlParseException Class (System.Windows.Markup) | Microsoft Learn
Represents the exception class for parser-specific exceptions from a WPF XAML parser. This exception is used in XAML API or WPF XAML parser operations from...
class systemwindowsmarkupmicrosoftlearn