imgui_sys::ImDrawList_AddRectFilledMultiColor

pub unsafe extern fn ImDrawList_AddRectFilledMultiColor(list: *mut ImDrawList, a: ImVec2, b: ImVec2, col_upr_left: ImU32, col_upr_right: ImU32, col_bot_right: ImU32, col_bot_left: ImU32)