How to set DataContext in own UserControl? #2121 - GitHub 蓝色部分:MainPage 将会一直引响到 FieldUserControl 所暴露的依赖属性,只要控件在此被调用,并且调用端 (MainPage) 没给予 UserControl 的依赖属性绑定值,则该 UserControl 的依赖属性将自动继承父类属性,这说明了 若再 … NOTE: This post’s code was written for Windows Phone 7 and may or may not work with other versions of Silverlight or WPF. Difference between DataContext and ItemsSource This custom UserControl will appear as a regular combobox, but unlike the built-in ComboBox object, it can show the user a default string of text if they have not made a selection yet. In order to accomplish this, our UserControl will be made up of two Controls. wpf One of the powerful aspects of any XAML platform is the ability to define your own controls. 因为如果仅删除UserControl.DataContext,MainContent不会更新... 不确定您确切指的是什么,但是如果您的主视图模型中有"子"视图模型,那么如果您的应用程序逻辑需要,则其中一个属性的更改当然应该传达给另一个子视图模型。 WPF WPF WPF WPF WPF Binding Window/UserControl to Self - CodeProject Reflection, .NET, Expression, C#, WPF; Erweiterung von .NET Framework für Typ-Management von COM Komponente ; Design einer Schnittstelle zu MS … With this code, whenever you change the property on the code side, you will change the textbox. DataContext = Step; 最终的效果图如下: 最后仍然是没有达到一开始的那个效果,我设想的是文字部分应该是可以使用DataTemplate模板自定义的,但是文字详细描述那部分和横线的部分不太好布局,目前想不到该怎么去布局,思维受限了,先搁置等到后面看能不能找到合适的解决方法。
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