想要仅显示100个要实时更新的列表视图项 [英] Want to display only 100 items of the listview being updated in real time

问题描述

我有一个实时更新的列表视图(从硬件跟踪消息).随着列表视图项的不断增长(例如100000).我只想显示最后一百个消息项，并丢弃列表视图中的旧项. br/> 在这方面有任何帮助.
这是Windows窗体应用程序.

I have listview which is updated in real time (trace messages from hardware).As the listview items keeps growing(say 100000 ).I want to display only the last hundred messages items and discard the old items from the listview.
Any help in this regard.
It is windows forms application.

推荐答案

如何获取数据以填充列表视图?过滤.

如果它来自数据库，则添加WHERE子句.如果您正在读取文件，请检查日期/时间值.

How are you obtaining the data to populate the listview? Filter it.

If it is coming from a database then add a WHERE clause. If you are reading from a file, check a date/time value.

您可以使用id排在前100个子句后的order.
希望对您有帮助

you can use order by id descending with top 100 clause.
Hope this may help you

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