通用基类WinForm的用户控件 [英] Generic base class for WinForm UserControl

问题描述

我创建了一个通用的基类，一个WinForm用户控件：

I created a generic base class for a WinForm UserControl:

public partial class BaseUserControl<T> : UserControl
{
    public virtual void MyMethod<T>() 
    { 
        // some base stuff here 
    }
}

和基于一个用户控件：

public partial class MyControl : BaseUserControl<SomeClass>
{
    public override void MyMethod<SomeClass>() 
    { 
        // some specific stuff here 
        base.MyMethod<SomeClass>();
    }
}

它工作正常，但MyControl不能在VisualStudio的设计进行编辑，因为它说，它无法加载基类。
我试着来定义另一个类BaseUserControl，非通用的，希望它会加载它，但诀窍似乎并没有工作。

It works fine, but MyControl cannot be edited in the VisualStudio Designer, because it says it cannot load the base class. I tried to define another class BaseUserControl, non generic, hoping it would load it, but the trick doesn't seem to work.

我已经有一个解决方法：定义一个接口，IMyInterface的＆LT; T＆gt;和然后创建我的控制，

I already have a workaround: define an interface, IMyInterface<T>, and then create my control as

public partial class MyControl : UserControl, IMyInterface<SomeClass>

不过，我失去了我的基本虚拟方法（而不是什么大不了的事，但仍...）。

But I lose my base virtual methods (not a big deal, but still...).

有没有一种方法来创建一个用户控件基础通用类，用方法可行的设计的VisualStudio来编辑它？

Is there a way to create a base generic class for a UserControl, with the possiblity to edit it in the VisualStudio Designer?

推荐答案

我们正在做同样的事情，我们通过专业一类一解决，并从专业类派生。
从你的例子使用code，这意味着类似：

We're doing the same thing and we work around by specializing a class first and derive from the specialized class. Using the code from your example this means something like:

public partial class UserControl : UserControlDesignable 
{

...
}
public class UserControlDesignable : BaseUserControl<Someclass> { }

设计者还在演戏片状有时 - 但大部分的它工作时

The designer is still acting flaky sometimes - but most of the time it works.

这篇关于通用基类WinForm的用户控件的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！