WebC# WPF–集合内容属性,c#,wpf,xaml,C#,Wpf,Xaml,对于自定义DataTemplateSelector,我使用了ContentProperty属性,该属性应该表示DataTemplates的集合 XAML中的用法: 我的问题是为什么不能使用IList或ICollection数据类型而不是List数据类型 如果使用这些类型,则会出现编译错误,无法在元素“CustomTemplateSelector”上设置内容 ... WebDataTemplateSelector 来确定在ObservableCollection中找到的对象类型(基于类类型),然后应用适当的DataTemplate。任何类类型的多个对象都是可能的. 下面是我示范课的一部分。已对其进行编辑,以仅显示感兴趣的点:
How to trigger datatemplate selector in Windows Phone?
WebJun 10, 2015 · The DataTemplateSelector will only be involved when the containers are generated initially. Please remember to close your threads by marking helpful posts as answer and then start a new thread if you have a new question. Please don't ask several questions in the same thread. Marked as answer by wakefun Monday, June 8, 2015 2:16 … WebJan 24, 2013 · Each item inside the ItemsControl will then have its DataContext set to an element in the list. The is setting the template for each Item inside the list, not for the ItemsControl itself. So that {Binding Path=Command} and {Binding Path=DisplayName} will look at those properties on the elements inside the list. … songs that relate to the book anthem
Creating a Xamarin.Forms DataTemplate - Xamarin Microsoft …
WebTo use the template selector resource, assign it to the ItemTemplateSelector property of the ListBox. The ListBox calls the SelectTemplate method of the TaskListDataTemplateSelector for each of the items in the underlying collection. … WebMay 22, 2013 · Dynamic in xaml Data Template selector. The idea is great add all your data templates to collection in your list box. Tell each one what to look for (a type) and what … WebC# 换行符的File.AppendAllText的替代选项,c#,file,append,text-files,C#,File,Append,Text Files,我试图从一个文件中读取字符,然后在删除注释(后面跟着分号)后将它们附加到另一个文件中 父文件中的示例数据: Name- Harly Brown ;Name is Harley Brown Age- 20 ;Age is 20 years 预期结果: Name- Harley Brown Age- 20 我正在尝试以下代码- St small games of chance in pennsylvania