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Why can't I open a class inherited from a panel in the designer, just as I can open a class inherited from a Form or Usercontrol classes.
What needs to be done for this?
C#
class MyPanel : Panel
{

}


What I have tried:

I don't even know what to do.

Пробовал копировать код пользовательского контрола, но не получилось.
I tried to copy the code of the user control, but it did not work
Posted
Updated 28-Sep-22 4:24am
v2
Comments
Richard Deeming 28-Sep-22 4:08am    
This is an English-language site. Your entire question should be posted in English. I have added a Google translation of your final sentence.

1 solution

It must have an associated custom designer file, see:
Create a Control That Takes Advantage of Visual Studio Design-Time Features - Windows Forms .NET Framework | Microsoft Learn[^]

If you want to inherit from Panel, take a look at this CodeProject article:
C# Custom Control Featuring a Collapsible Panel[^]
 
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v2
Comments
Maciej Los 28-Sep-22 17:41pm    
5ed!
Member 15737294 29-Sep-22 4:57am    
it's not exactly what I wanted. The control is inherited from the Usercontrol. I would like to avoid this.
Ralf Meier 29-Sep-22 6:10am    
You should give much more Information - either about your control and also about the code you are using ...
Without this it is impossible to give useful advises - sorry

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