Specifies whether the background within the update region is to be erased.
指定更新区域的背景是否被擦除。
The system sends a WM_PAINT message to a window whenever its update region is not empty and there are no other messages in the application queue for that window.
该系统发送一个WM_PAINT消息到一个窗口时，它的更新区域不为空，并在该窗口的消息队列中没有其他消息。
The paint structure contains a rect data structure that has the smallest rectangle that completely encloses the update region and a flag that specifies whether the background has been erased.
绘图结构中包含了一个RECT数据结构，它包含了完全封闭更新区域的最小矩形以及一个标志，指明背景是否需要擦除。
While upbeat about the pace of East Asia's recovery, strongly influenced by China, the Update is clear that the region is facing a very different global economy over the medium term.
尽管对东亚地区在中国的强烈影响下显现的复苏速度充满乐观，但《半年报》也很清楚该地区在中期面临着大不同以往的全球经济环境。
Update the attributes in Listing 16 in the TSA IPCONN definition on the CICSB region, using the command in Listing 17.
使用清单17中的命令在CICSB区域的TS A IPCONN中更新清单16中的属性。
A simple click on any region of the map gives a quick update on what is described as "Santa's progress," complete with geographical information about the places he visits.
单击地图的任何一处都会出现“圣诞老人足迹”的最近更新，并附有他到访地区的地理信息。
Update the attributes in Listing 18 on the TSB TCPIPSERVICE on the CICSB region, using the command in Listing 19.
使用清单19中的命令，在CICSB 区域的TSBTCPIPSERVICE 上更新清单18 中的属性。
Update the LD stanza entry in TXSeries Region (TXSA) with the attributes in Listing 3.
使用清单3中的属性更新TXSeries Region (TXSA)中的LDstanza条目。
When it moves into a new region, it is required to update the RSVP path and begin the new pointer forwarding process.
若移动主机进入新的分层区域，则要求它建立新的RSVP通路，开始新的指针转发过程。
After the localization of the region of the road, we need to update the background because of the transformations of background caused by the changes of environment such as light.
在完成了路面区域的定位后，因为光线等环境变化引起的背景变化会影响运动检测的结果，所以需要对背景进行更新。
The experimental results prove that it can make a proper log region allocation, efficiently improve search performance, and reduce non-clustered index update cost.
实验证明，该方法能够自适应地划分合理的日志区空间，有效提高查询性能，减少各种非聚集索引的更新代价。
The experimental results prove that it can make a proper log region allocation, efficiently improve search performance, and reduce non-clustered index update cost.
实验证明，该方法能够自适应地划分合理的日志区空间，有效提高查询性能，减少各种非聚集索引的更新代价。
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