Implement/migrate MAUI visual handlers. USE FOR: EntryHandler.Mapper.AppendToMapping, scoped BorderlessEntry type guards, unique mapper keys, repeated mapper callbacks, renderer-to-handler migration, ConnectHandler/DisconnectHandler cleanup, PropertyMapper, CommandMapper, custom ViewHandler, platform partial handlers, conflicting partial base classes, CreatePlatformView, native namespace leaks, ConfigureMauiHandlers. DO NOT USE FOR: non-visual platform APIs, full Xamarin migration, native SDK bindings, or backend code.
$npx -y skills add dotnet/maui-labs --skill maui-custom-handlersInstalls into the current project.
Run `npx skills use "https://github.com/dotnet/maui-labs" --skill "dotnet/maui-labs/maui-custom-handlers"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/dotnet/maui-labs" that are relevant to the current task. Run `npx skills add "https://github.com/dotnet/maui-labs"` and select the relevant skills, then follow their instructions.