SDL_WindowsMessageHook - A callback to be used with SDL_SetWindowsMessageHook .
Contents
Availability
This datatype is available since SDL 3.2.0.
Description
This callback may modify the message, and should return true if the message should continue to be
processed, or false to prevent further processing.
As this is processing a message directly from the Windows event loop, this callback should do the minimum
required work and return quickly.
Function Parameters
userdata
the app-defined pointer provided to SDL_SetWindowsMessageHook .
msg a pointer to a Win32 event structure to process.
Header File
Defined in SDL3/SDL_system.h
Name
SDL_WindowsMessageHook - A callback to be used with SDL_SetWindowsMessageHook .
Return Value
Returns true to let event continue on, false to drop it.
See Also
•(3), SDL_SetWindowsMessageHook(3), •(3), SDL_HINT_WINDOWS_ENABLE_MESSAGELOOP(3) Simple Directmedia Layer SDL 3.2.10 SDL_WindowsMessageHook(3type)
Synopsis
#include"SDL3/SDL.h"typedefbool(SDLCALL*SDL_WindowsMessageHook)(void*userdata,MSG*msg);
Thread Safety
This may only be called (by SDL) from the thread handling the Windows event loop.
