[Mono-list] DllImport ... help

[Richard Torkar]

On Sat, 2002-06-15 at 16:32, Jonathan Pryor wrote:
> An MSDN sample might be worth looking at:
> 
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpguide/html/cpconbufferssample.asp
> 
> It works for me on .NET, but I haven't been able to make it work with
> mono...  I'm thinking that mono isn't ready for full-blown DllImport
> yet.
> 
> For example, the following works with .NET

</snip>

> When I run either `managed.exe' (the mcs-compiled program) or
> `managed-net.exe' (the csc-compiled program) under .NET, I get the
> expected output:
> 
> 	name: This is my message.  Isn't it nice?
> 
> When I run either `managed.exe' or `managed-net.exe' under mono, I get
> errors:
> 
> 	name: 
> 	** (process:13403): WARNING **: unhandled exception
> 	System.NullReferenceException: "A null value was found where an 	object
> instance was required"
> 	in <0x00065> .ghbn:Main ()
> 
> 	RESULT: -1
> 
> This implies to me that Mono does not properly handle PInvoke calls, at
> least currently.  (CVS tree built around 9:00 AM this morning).
> 


Confirmed with release 0.12

/Richard
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