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.NET Forum / Languages / Managed C++ / June 2007Visual C 2005 Removing Event Handlers When Designer Reloading
Essentially my problem is that .NET 2005 is removing my event handlers. There's no real special things about my project, it just continually removes them all. It starts on the open of a solution. The screen flashes and immediately I can undo something. I look at the undo list and it says designer generated code. When I undo it, all of my event handlers come back. This is a very annoying issue has anyone solved this problem? -G > Essentially my problem is that .NET 2005 is removing my event > handlers. There's no real special things about my project, it just [quoted text clipped - 4 lines] > designer generated code. When I undo it, all of my event handlers come > back. This is a very annoying issue has anyone solved this problem? Perhaps put the wire-up code in the constructor, not in InitializeComponent that the designer messes with. That doesn't make sense. I'm not placing code in myself to begin with. When I add a windows form component, and then choose the events button in the GUI, then double click say: OnLoad the gui creates a function for me at the end of the document called OnLoad. On top of that it places a handler in the generated code itself in the designer generated code mapping this control to the handler. What you're asking, or suggesting is that I not only insert handlers using the GUI but then go back and place them outside of the generated code. I think that you may have misunderstood me. I'm not editing that area. I'm not touching it. Anything that should be there should be placed by the IDE itself. The problem is that the IDE is removing my handlers itself after I reopen a project. Note that it does not delete the functions it just removes the maps to them. Gus > <gnas...@gmail.com> wrote in message > [quoted text clipped - 11 lines] > Perhaps put the wire-up code in the constructor, not in InitializeComponent > that the designer messes with. > That doesn't make sense. > [quoted text clipped - 11 lines] > the IDE itself. The problem is that the IDE is removing my handlers > itself after I reopen a project. I thought you asked for a simple workaround, so I offered one. Go again and file bug reports, but designer support for C++/CLI will quite possibly go away entirely (it's far more complicated to support than any other language). C++/CLI is positioned as a gateway, from .NET to any non-.NET system, it does this well and most MVPs are encouraging MS to focus efforts on C++ with CLR toward making that even better. Since it's so easy to mix C# and C++ code, and any C++ programmer can immediately use C# quite well, the brunt of design-time GUI support is always going to be focused on C# and VB.NET The only advantages C++ has over C# for GUIs, are things like template metaprogramming, which are far too sophisticated to hope the designer would ever help with. > Note that it does not delete the functions it just removes the maps to > them. > > Gus > <gnas...@gmail.com> wrote in message > [quoted text clipped - 34 lines] > > > Gus My apologies if I seemed rash. Thanks for the workaround, I just am annoyed that I may have to do this for every future project I have to do. Gus >> <gnas...@gmail.com> wrote in message >> [quoted text clipped - 44 lines] > annoyed that I may have to do this for every future project I have to > do. If I might suggest -- if you want good designers, use C# for the GUI and add your C++/CLI projects as assembly references. Can you check whether Orcas also exhibits this problem? It's unlikely that any C++/CLI designer improvements will be made post Orcas. > Gus
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