# SDL_TOUCH_MOUSEID The [SDL_MouseID](SDL_MouseID) for mouse events simulated with touch input. ## Header File Defined in [<SDL3/SDL_touch.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_touch.h) ## Syntax ```c #define SDL_TOUCH_MOUSEID ((SDL_MouseID)-1) ``` ## Version This macro is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIMacro](CategoryAPIMacro), [CategoryTouch](CategoryTouch), [CategoryMouse](CategoryMouse),