XCB_XV_SCANLINE_ORDER_TOP_TO_BOTTOM

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
extern (C)
alias XCB_XV_SCANLINE_ORDER_TOP_TO_BOTTOM = xcb_xv_scanline_order_t.XCB_XV_SCANLINE_ORDER_TOP_TO_BOTTOM

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