Specifically, if everything is happening in a single thread, performing long operations such as network access or database queries on the UI thread will block the whole user interface.
特别是，如果把所有的事件都放在主线程中来处理，需要长时间来处理的事件比如网络访问或者数据库查询，会阻塞整个UI。
Specifically, if everything is happening in the UI thread, performing long operations such as network access or database queries will block the whole UI.
如果UI线程需要处理每一件事情，那些耗时很长的操作——诸如访问网络或查询数据库等——将会阻塞整个UI(线程)。
Data Access application block. Developers can use this application block to incorporate standard database functionality in their applications.
数据访问应用程序块。此应用程序块允许开发人员在其应用程序中集成标准的数据库功能。
应用推荐