Constant winapi::um::uxtheme::DTBG_VALIDBITS

pub const DTBG_VALIDBITS: DWORD = DTBG_CLIPRECT | DTBG_DRAWSOLID | DTBG_OMITBORDER
    | DTBG_OMITCONTENT | DTBG_COMPUTINGREGION | DTBG_MIRRORDC | DTBG_NOMIRROR; // 127u32