System.WinForms does not work

add option /r:system.winforms.dll when compile

"dingding" <optimus@elong.com> wrote in message
news:39d29891$1@news.dev-archive.com...
>
> Can someone explain to me why the following program won't compile?
>
> using System;
> using System.WinForms;
>
> class Application
> {
> public static void Main(String[] args)
> {
> Console.WriteLine("Hello!");
> }
> }
>
> The error I get is:
>
> C:MYPROJ~1PERSON~1DABBLI~1Test1.cs(2,14): error CS0234: The type or
namespace
> name 'WinForms' does not exist in the class or namespace 'System'
>
>

Paul,

You need to reference System.Winforms.dll and Microsoft.Win32.Interop.DLL

"Paul" <paulm@microgaming.com> wrote in message
news:39e6aa5e@news.dev-archive.com...
> Hi
>
> I was also having the same problem - now I get:
>
> C:\WINNT\ComPlus\v2000.14.1812\system.winforms.dll: error CS0011:
Referenced
> class 'System.WinForms.RichControl' has unknown base class or interface
> 'Microsoft.Win32.Interop.IOleControl'
>
> Actually, a whole bunch of them.
>
> Any ideas.
>
> Thanks
> Paul
>
> "Vladimir Suponitsky" <suponvla@bellatlantic.net> wrote in message
> news:39d29b70$1@news.dev-archive.com...
> > add option /r:system.winforms.dll when compile
> >
> > "dingding" <optimus@elong.com> wrote in message
> > news:39d29891$1@news.dev-archive.com...
> > >
> > > Can someone explain to me why the following program won't compile?
> > >
> > > using System;
> > > using System.WinForms;
> > >
> > > class Application
> > > {
> > > public static void Main(String[] args)
> > > {
> > > Console.WriteLine("Hello!");
> > > }
> > > }
> > >
> > > The error I get is:
> > >
> > > C:MYPROJ~1PERSON~1DABBLI~1Test1.cs(2,14): error CS0234: The type or
> > namespace
> > > name 'WinForms' does not exist in the class or namespace 'System'
> > >
> > >
> >
> >
>
>

You really need to add a lot of references. For a simple form I had to add:
/r:System.dll
/r:System.Drawing.DLL
/r:System.WinForms.DLL
/r:Microsoft.Win32.Interop.DLL

"Paul" <paulm@microgaming.com> wrote:
>Hi
>
>I was also having the same problem - now I get:
>
>C:\WINNT\ComPlus\v2000.14.1812\system.winforms.dll: error CS0011: Referenced
>class 'System.WinForms.RichControl' has unknown base class or interface
>'Microsoft.Win32.Interop.IOleControl'
>
>Actually, a whole bunch of them.
>
>Any ideas.
>
>Thanks
>Paul
>
>"Vladimir Suponitsky" <suponvla@bellatlantic.net> wrote in message
>news:39d29b70$1@news.dev-archive.com...
>> add option /r:system.winforms.dll when compile
>>
>> "dingding" <optimus@elong.com> wrote in message
>> news:39d29891$1@news.dev-archive.com...
>> >
>> > Can someone explain to me why the following program won't compile?
>> >
>> > using System;
>> > using System.WinForms;
>> >
>> > class Application
>> > {
>> > public static void Main(String[] args)
>> > {
>> > Console.WriteLine("Hello!");
>> > }
>> > }
>> >
>> > The error I get is:
>> >
>> > C:MYPROJ~1PERSON~1DABBLI~1Test1.cs(2,14): error CS0234: The type or
>> namespace
>> > name 'WinForms' does not exist in the class or namespace 'System'
>> >
>> >
>>
>>
>
>