Hello,

I am just getting started with Mono on Windows XP. I built a very simple HelloWorld.exe using Visual Studio, then I clicked on the "Mono-1.1.6 Command Prompt" and typed "mono HelloWorld". When my form appeared, the GUI did not look quite right, which is a little surprising since it's just an empty dialog box with a button. :-)

The Mono Windows.Forms implementation obviously is still "under construction," but since my target platform is Windows XP, I can just use the real Microsoft libraries. So I tracked down all the referenced Microsoft DLL's and copied them to the same folder as HelloWorld.exe, so that Mono will load them instead of its custom versions. However, now my application crashes with an exception:

> Unhandled Exception: System.NotImplementedException: The
> requested feature is not implemented.
> in <0x00021> Microsoft.Win32.SystemEvents:add_UserPreferenceChanging
> (Microsoft.Win32.UserPreferenceChangingEventHandler value)
> in <0x0004e> System.Drawing.KnownColorTable:InitColorTable ()
> in <0x00010> System.Drawing.KnownColorTable:EnsureColorTable ()
> in <0x00007> System.Drawing.KnownColorTable:KnownColorToArgb
> (KnownColor color)
> in <0x0003c> System.Drawing.Color:get_Value ()

I read the FAQ's, but apparently using Microsoft DLL's has never occurred to anyone? It seems to me that, as long Mono's MSIL virtual machine and pinvoke support are there, mono.exe should work as a drop-in replacement for Microsoft's virtual machine (regardless of how incomplete Mono's .NET Framework is). Moreover, it seems that this would be a quite simple challenge compared to implementing a full C# compiler or Windows.Forms replacement. So -- has anyone asked about this? Does it work?

My hope is to use kick-ass Mono features (such as the SSA optimizations, "--aot", "mkbundle", etc.) with standard Visual Studio projects, which you'd think would be very attractive. More importantly, Win32 offers a vast array of libraries that may be unsupported by Mono for a long time, so in a sense, this is a mandatory requirement for Win32 developers who aren't hindered by portability concerns.

Cheers,
-Pete

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