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Mono's Cocoa# Underway, GTK# Takes on Windows.Forms
Gentu writes "OSNews posted some exclusive screenshots of a new project in the Mono community: Cocoa#. Apparently there are a couple of Apple engineers helping out the project that allows developers to create graphical Cocoa applications under Mac OS X using the C#, Python or Basic language. Mono seems to be doing well in the Windows land too, allowing developers to use GTK# instead of Windows.Forms to create multi-platform apps."
There are some decent arguments for using Mono over Java on Linux. Those arguments don't hold up as well on OSX, though. Java support on the Mac is in many ways superior to Java on any other platform, especially for Swing apps (the counterpart to most Cocoa# apps.) Still it could be attractice to have a framework that made it as easy as Java is for developing cross-platform (Windows/Linux/OSX) apps that would have significant performance advantages over Java on 2 out of 3 of those platforms.
Even back in the 0.8 days, I had very few problems making a medium sized app (~4000 lines), developed entirely under linux with Mono. Everything worked on the first try when I ran it on windows with .NET.
Now that's true cross platform ability. Even with Java I've never had it work that flawlessly. Thanks Miguel and Mike Kerster and the rest of the Mono team. You guys rock.
i'm developing a C# application which has a System.Windows.Forms (SWF) frontend for the Windows version, and a GTK# frontend for the Linux version. I was hoping to get rid of the SWF frontend and deploy my application on Windows and Linux using the GTK# frontend. Despite all of the hype surrounding Mono/GTK# (thanks miguel) i have not been able to get this working because GTK# simply doesn't work correctly with MS.NET. There are parts of GTK# that actually rely on an incompatibilty between Mono and MS.NET to work correctly. So when this code is executed with MS.NET, you'll get runtime exceptions. The same code will function correctly on Windows when you use Mono on Windows, but then i get memory leaks everytime i use Regex.Match which my application needs quite often. So after leaking about 395MB of RAM, the garbage collector will crash with an error ("too many heap sections"). The same code runs perfectly on Linux in Mono.
I would really like to see Mono and GTK# completely ready to be used on Windows for _serious_ stuff (as in: not the average Hello World GTK# app) but rigth now, it just isn't up to the task yet. On Linux, it's pretty good alraedy, but on Windows it's just unusable for my application. I've had to go back to using my old SWF frontend for my windows users.