MenuBar Appium C# desktop app

Hello all,

How to Access a menubar,example:Window->Create->New.

I tried to find it by name like app.FindElementbyName(“Window”).Click(); ,it’s clicking it,but then failed if I try and do the same but finding the other elements.I tried to do app.FindElementbyName(“Window”).FindElementbyName(“Create”).FindElementbyName(“New”).Click , the same Failed.
Any help please?