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SourceVuESP-IDF Framework and Examplesi2c_oled samplelv_event_get_draw_ctx()

lv_event_get_draw_ctx() function

Get the draw context which should be the first parameter of the draw functions. Namely: `LV_EVENT_DRAW_MAIN/POST`, `LV_EVENT_DRAW_MAIN/POST_BEGIN`, `LV_EVENT_DRAW_MAIN/POST_END`

Syntax

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Summary

Declaration

Definition

from lv_event.h:295

lv_draw_ctx_t * lv_event_get_draw_ctx(lv_event_t * e);

Implemented in lv_event.c:305

Arguments

Argument

Description

e

pointer to an event

Return value

pointer to a draw context or NULL if called on an unrelated event

Examples

References

from examples