[Mono-list] Embedded Mono: calling c# method from c does not work...

[Ipo]

Sorry.. i get it work. I was fool and tried to unbox string... fool me..
Still want to help how to handle IList C# => C. Reason is that i have driver
written c#, and i want to call it from c.
Yours.
Ipo



Ipo wrote:
> 
> Hello, i'm beginner with c and mono. Now i have a "little" problem. I can
> not get resurt from my assembly.  Here is my Code:
> c#
> #################################################################
> using System;
> namespace MySpace 
> {
> 	class MyClass 
> 	{
> 		int val = 5;
> 		string str = "hello";
> 
> 		MyClass () 
> 		{
> 			Console.WriteLine ("while Constructor Val", val);
> 			Console.WriteLine ("While In ctor str is: {0}", str);
> 		}
> 		
> 		MyClass (int v, byte[] array) 
> 		{
> 			Console.WriteLine ("Constructor: In ctor (int, byte[]) got value: {0},
> array len: {1}", v, array.Length);
> 		}
> 
> 		public string Testi (ref int v, ref string s) 
> 		{
> 			Console.WriteLine ("In Values () param v is {0}", v);
> 			Console.WriteLine ("In Values () params s is: {0}", s);
> 			string paluu = "Hello";
> 			return paluu;
> 		}
> 		static void Main()
> 		{
> 		}
> 	}
> }
> #################################################################
> c:
> 	val = 100;
> 	str2 = mono_string_new (domain, "param2");
> 	args [0] = &val;
> 	args [1] = &str2;
> 	MonoObject *result = mono_runtime_invoke (my_method, obj, args, NULL);
> 	MonoString *strReturn = (MonoString *)mono_object_unbox(result);
> 	 
> 	str = mono_string_to_utf8(strReturn);	
> 	printf ("result from method is: %s\n", str);
> 
> #################################################################
> Compiling goes ok. but when i run c-code:
> ** ERROR **: file object.c: line 4097 (mono_object_unbox): assertion
> failed: (obj->vtable->klass->valuetype)
> #################################################################
> I got integer values Ok.
> 
> I dont only now how to typecast object with mono_object_unbox to string. 
> Actually i am more interested to call from c-language  C# method who
> returns IList.
> 
> 
> yours.
> 
> Ipo
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 

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