lv_style_register_prop() function

lv_style_prop_t MY_PROP; static inline void lv_style_set_my_prop(lv_style_t * style, lv_color_t value) { lv_style_value_t v = {.color = value}; lv_style_set_prop(style, MY_PROP, v); } ... MY_PROP = lv_style_register_prop(); ... lv_style_set_my_prop(&style1, lv_palette_main(LV_PALETTE_RED));