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Method to Check CollectionReference Article: https://blog.csdn.net/u010178308/article/details/77681573 When using LINQ statements, a collection of IEnumerable source will be generated. When querying whether the collection is empty, source.count() is generally used for connection query, but for LINQ statements, count cannot return the value we want. Any()When querying with LINQ statements, use if(!source.Any()) to check if the collection is empty.

TIME : 2019-06-09 15:38:45 判断集合办法参考文章：https://blog.csdn.net/u010178308/article/details/77681573 在使用LINQ语句的时候会生成IEnumerable source的集合，在查询集合是否为空的时候一般采用source.count()的办法进进行查询，但是对于LINQ语句count无法返回我们想要的值。 Any()在LINQ语句查询时，使用if(!source.Any())进行集合为空的判断

通过点击全选按钮将整个列表进行全选或取消#XML 12345678910<ListView Name="ListView" HorizontalAlignment="Left" Height="200" Margin="90,155,0,0" VerticalAlignment="Top" Width="175" > <ListView.View> <GridView> <GridViewColumn x:Name="Checks" > <GridViewColumn.Header> <CheckBox Name="Tf" Click="Check_Cli...

Select all or cancel entire list by clicking select all button#XML 12345678910<ListView Name="ListView" HorizontalAlignment="Left" Height="200" Margin="90,155,0,0" VerticalAlignment="Top" Width="175" > <ListView.View> <GridView> <GridViewColumn x:Name="Checks" > <GridViewColumn.Header> <CheckBox ...

When doing plugin development, hope to perform data interaction through DataGrid. Directly binding Itemsource will appear two identical columns Can eliminate by setting value of AutoGenerateColumns to False. If don’t want to display excess blank rows in list, need to set CanUserAddRowsto False

在做插件开发时，希望通过DataGrid进行数据交互。直接绑定Itemsource时会出现两个相同的列 可以通过将AutoGenerateColumns的值设置为False进行消除，如果不想在列表中显示多余的空行，需要将CanUserAddRows设置为False

View filters are divided into rule filters and selection filters: Selection filter: Need to pass in elementId list to operate on specified Element Rule filter: Through rule description of specified parameters, pass in categories Id for operation Specifics can refer to API —update—2019 API deleted SET* command and model color specification method. Color attachment not tested, need to verify by yourself 1234567891011121314151617181920212223242526#if Revit2016 var filterEle...

视图过滤器分为规则过滤器与选择过滤器： 选择过滤器：需要传入elementId列表对指定的Element进行操作 规则过滤器：通过对指定参数的规则描述，传入categeorys的Id进行操作 具体可参照API —update—2019 API删除掉SET*命令与模型颜色指定方法,颜色附加未实验，需要自己验证 1234567891011121314151617181920212223242526#if Revit2016 var filterElement = ParameterFilterElement.Create(document, name, categeorys); filterElement.SetRules(filterRules); view.AddFilter(filterElement.Id); document.Regenerate(); var overrideSe...

Revit Wall Compound Layer Modification and QueryAlways wanted to record some of my problems and solutions with blog. Today is first blog on CSDN, rest will be transferred from Zhihu successively. Reference Link: https://blog.csdn.net/u010585773/article/details/83267911 In Revit if querying wall thickness data, only need to access WallType. When modifying corresponding thickness need to enter structure layer: CompoundStructure similar to new thickness panel in our usage. It provides methods t...

Revit墙体构造层修改与查询一直想用博客记录下自己的一些问题和解决方案，今天是在CSDN上的第一篇博客，其余的会陆续从知乎转移过来 参考链接：https://blog.csdn.net/u010585773/article/details/83267911 在Revit中如果对墙体厚度进行数据查询，只需要访问WallType就可以，在修改相应的厚度是需要进入构造层：CompoundStructure 类似与我们使用中的新建厚度面板。里面提供了创建和修改构造层图层的方法 WallType type = WallTypes.ElementAt(0) as WallType; WallType newType = type.Duplicate(name) as WallType; //墙厚 CompoundStructure cs = type.GetCompoundStructure(); ...

Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hexo, you can find the answer in troubleshooting or you can ask me on GitHub. Quick StartCreate a new post1$ hexo new "My New Post" More info: Writing Run server1$ hexo server More info: Server Generate static files1$ hexo generate More info: Generating Deploy to remote sites1$ hexo deploy More info: Deployment