c_gtk_drawing_area_set_draw_func

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
extern (C) __gshared
void function(GtkDrawingArea* self, GtkDrawingAreaDrawFunc drawFunc, void* userData, GDestroyNotify destroy) c_gtk_drawing_area_set_draw_func;

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