设备usb到达延迟通知时间
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@ -318,6 +318,8 @@ int MainWindow::sane_ex_callback(SANE_Handle hdev, int code, void *data, unsigne
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if (SANE_EVENT_DEVICE_ARRIVED == code)
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{
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SANE_Device_Ex* sane_dev = (SANE_Device_Ex*)data;
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Sleep(5000);
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emit p->sane_dev_arrive(sane_dev->name);
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}
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else if (SANE_EVENT_DEVICE_LEFT == code)
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