# SDL_IsDeXMode Query if the application is running on a Samsung DeX docking station. ## Header File Defined in [<SDL3/SDL_system.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_system.h) ## Syntax ```c bool SDL_IsDeXMode(void); ``` ## Return Value (bool) Returns true if this is a DeX docking station, false otherwise. ## Version This function is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategorySystem](CategorySystem)