问题描述
我想从UserControl继承，但它不能正常工作： - （
I want to inherit from a UserControl, but it is not working :-(
我有一个程序集"MyAssembly"。在其中我有一个类"MyUserControl"，它派生自UserControl（WPF）。
I have a Assembly "MyAssembly". In it I have a Class "MyUserControl" which derives from UserControl (WPF).
然后我有一个WPF项目，我添加了一个UserControl并更改了XAML和代码隐藏文件，因此它派生自MyUserControl。
Then I have a WPF project where I added a UserControl and changed the XAML and code behind file, so that it derives from MyUserControl.
问题是，设计器无法显示UserControl（MyUserControl）。我不想将MyUserControl添加到窗口！我只想直接使用MyUserControl，并希望使用Designer或XAML文件添加控件。
The problem is, that the designer is not able to show the UserControl (MyUserControl). I do not want to add MyUserControl to a Window! I just want to have directly the MyUserControl and want to add Controls with the Designer or XAML file.
原因是，我希望UserControl具有相同的基本功能和UserControl应该在我想要的任何项目中使用。基本UserControl（MyUserControl）没有XAML代码，只有类中的一些功能。
The reason is, that I want to have a UserControl with same basic functionality and this UserControl should be used in any project I want. The base UserControl (MyUserControl) has no XAML code, only some functionality in the class of it.
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