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SDL Wiki

SDL_GetEventFilter

Query the current event filter.

Syntax

SDL_bool SDL_GetEventFilter(SDL_EventFilter * filter,
                            void **userdata);

Function Parameters

filter

the current callback function will be stored here

userdata

the pointer that is passed to the current event filter will be stored here

Return Value

Returns SDL_TRUE on success or SDL_FALSE if there is no event filter set.

Remarks

This function can be used to "chain" filters, by saving the existing filter before replacing it with a function that will call that saved filter.

Version

This function is available since SDL 2.0.0.

SDL_SetEventFilter

CategoryAPI, CategoryEvents


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