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Editorial Team
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Asked: 2026-06-10T17:44:21+00:00

I imagine this question has been asked and answered, but I cannot find it.

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I imagine this question has been asked and answered, but I cannot find it.

I wanted to make a simple GUI to interface to a windows 7 command. I usually use Wx, but since this was to be a windows-only thing, I decided to see if I could whip it out real fast using Visual C# 2010 Express, which I had never used before.

Things started off just great. I created a form, put a few buttons and text boxes and such on it, and hit Debug. It came up and ran just like that. No muss, no fuss. So I then designed the form just the way I wanted it, renamed the controls from “Button1” and so forth to meaningful names. But now it’s a mess. By clicking around, I discovered that VC# had auto-generated two files called Form1.cs and Form1.Designer.cs. The later contains the bindings between functions and the events generated from user-clicks etc., and the former contains no-op code for those functions, for me to complete.

Problem is, the names are all still the original “Button1” and so forth, not the new ones, and the new controls I added after running the first time do not appear at all.

I want it to regenerate all that stuff afresh from the finished form. How to?

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1 Answer

  1. Editorial Team

    You probably don’t have an actual problem, unless you edited something within Form1.Designer.cs. Provided you left that file alone, things should just work.

    Whenever you double-click on a button, or use the events interface to create event handlers, the handlers are created with the following pattern:

    ObjectName_EventName()

    So, for example:

    Button1_Click()

    If you later change the name of Button1, the event handler’s name is not changed, too. But it is still attached to the proper event, again – assuming you did not edit anything in Form1.Designer.cs

    If you look (but don’t touch!) inside Form1.Designer.cs, you will probably find something similar to:

    MyNewButtonName.Click += Button1_Click;

    (I don’t recall the exact syntax the editor uses for wiring up event handlers; the principle is you should see your new button name being attached to the old handler name)

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