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<div>hello everyone！</div><div> What the “preferred" means in xrandr? Is it setted by display hardware? Can we set it manual? If we call “XOpenDisplay” to open default screen and then poll the returned x11_fd, will we interrupted for “preferred" changed? Is there others docs about it? <span style="caret-color: rgb(51, 51, 51); color: rgb(51, 51, 51); font-family: arial; font-size: 13px; background-color: rgb(255, 255, 255);">Looking forward to your</span><span style="caret-color: rgb(51, 51, 51); color: rgb(51, 51, 51); font-family: arial; font-size: 13px; background-color: rgb(255, 255, 255);"> reply.</span></div>
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<div><span style="color: rgb(26, 26, 26); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; font-size: 15px; white-space: pre-wrap;">Cheers，</span></div><div><span style="color: rgb(26, 26, 26); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", "WenQuanYi Micro Hei", sans-serif; font-size: 15px; white-space: pre-wrap;"> Pencc</span></div>
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