Desktop.Window.frame
You're seeing just the function
frame, go back to Desktop.Window module for more information.
Fetch the underlying :wxFrame instance object. This represents the window which the webview is drawn into.
pid- The pid or atom of the Window
Examples
iex> :wx.set_env(Desktop.Env.wx_env())
iex> :wxWindow.show(Desktop.Window.frame(pid), show: false)
false