[Mono-dev] System.Windows.Forms and mbas

Mario Carrión mario.carrion at gmail.com
Sat Sep 3 03:16:49 EDT 2005


On 9/2/05, Thomas Cleenewerck <tcleenewerck at gmail.com> wrote:
> I'm trying to get the following example working on winxp with mono-1.0.5: 
Upgrade to 1.1.8, works fine with me.


Cheers
-----
Mario Carrión <mario.carrion at gmail.com>


> 
> imports System
> imports System.Windows.Forms 
> 
> Module Hello 
> 
>    sub Main()
>         dim f as new System.Windows.Forms.Form()
>         dim c as new Collection()
>         Console.WriteLine("Hello World  vb.mono")
>    end sub 
> 
> end module 
>   
> I'm compiling the program using 
>     mbas /r:System.Windows.Forms helloworld.vb 
>   
> Upon execution I get the following error: 
>    Unhandled Exception: System.ArgumentException: Invalid Parameter. A null
> referen
> ce or invalid value was found.
> in <0x00073> System.Drawing.GDIPlus:CheckStatus
> (System.Drawing.Status)
> in <0x00182> System.Drawing.Font:FromHfont (intptr)
> in <0x00015> System.Windows.Forms.Control:get_DefaultFont
> ()
> in <0x001af> System.Windows.Forms.Control:.ctor ()
> in <0x00010> System.Windows.Forms.ScrollableControl:.ctor
> ()
> in <0x00012> System.Windows.Forms.ContainerControl:.ctor ()
> in <0x00016> System.Windows.Forms.Form:.ctor ()
> in <0x0004c> (wrapper remoting-invoke-with-check)
> System.Windows.Forms.Form:.cto
>  r ()
> in <0x00028> Hello:Main () 
>   
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