SDL_GetTraySubmenu - Gets a previously created tray entry submenu.

       This function is available since SDL 3.2.0.

       You  should have called SDL_CreateTraySubmenu() on the entry object. This function allows you to fetch it
       again later.

       This function does the same thing as SDL_GetTrayMenu(), except that it takes a SDL_TrayEntry instead of a
       SDL_Tray.

       A menu does not need to be destroyed; it will be destroyed with the tray.

entry  the tray entry to bind the menu to.

       SDL_GetTraySubmenu - Gets a previously created tray entry submenu.

       Returns the newly created menu.

SDL_InsertTrayEntryAt(3), SDL_CreateTraySubmenu(3)

Simple Directmedia Layer                           SDL 3.2.20                              SDL_GetTraySubmenu(3)

#include<SDL3/SDL_tray.h>SDL_TrayMenu*SDL_GetTraySubmenu(SDL_TrayEntry*entry);

       This function should be called on the thread that created the tray.