Merci!

Concernant ton problème de résolution de classe, est-ce que tu fais bien un “InitJvm” avec l’option “-Djava.class.path=Mathias.Jni.Java.jar” (qui signifie: charge ce .jar pour y trouver des classes) ? ça a l’air d’être ça… je rappelle que tu peux en mettre plusieurs séparés par des des “;”

public ref class JVMWrapper abstract
{
public:
	
	static JNIEnv *env;
	static JavaVM *jvm;

private :

	//[System::Runtime::InteropServices::DllImportAttribute("jvm.dll")]
	//static jint JNI_CreateJavaVM(JavaVM **p_vm, void** p_env, void *vm_args);
	typedef jint (JNICALL *CreateJavaVM_t)(JavaVM **, void **, JavaVMInitArgs *);


	static void *JNU_FindCreateJavaVM(char *vmlibpath)
	{
		HINSTANCE hVM = LoadLibrary((LPCWSTR)vmlibpath);
		if (hVM == NULL) {
			return NULL;
		}
		return GetProcAddress(hVM, "JNI_CreateJavaVM");
	}
		

public:
	/* Permet d'initialiser une JVM */
	static void InitJvm(cli::array^ options)
	{
		//CreateJavaVM_t * CreateJavaVM;
		CreateJavaVM_t createJavaVM;

		LPCWSTR str= L"C:\\Program Files\\Java\\jdk1.6.0_12\\jre\\bin\\client\\jvm.dll";

		HINSTANCE hinst = ::LoadLibrary(str);
		
		//  CreateJavaVM_t * pfnCreateJavaVM; 
		//createJavaVM = (CreateJavaVM_t) GetProcAddress(hinst, "JNI_CreateJavaVM");


		JavaVMInitArgs *  vm_args;
		vm_args = new JavaVMInitArgs();
		JavaVMOption* jvmOptions = new JavaVMOption[options->Length];
		
		for(int i = 0; i Length; i++)
		{
			jvmOptions[i] = JavaVMOption();

			pin_ptr wch = PtrToStringChars(options[i]);

			size_t convertedChars = 0;
			size_t  sizeInBytes = ((options[i]->Length + 1) * 2);
			errno_t err = 0;
			jvmOptions[i].optionString = (char *)malloc(sizeInBytes);

			wcstombs_s(&convertedChars, jvmOptions[i].optionString, sizeInBytes, wch, sizeInBytes);			
		}
		
		vm_args->version = JNI_VERSION_1_4;
		vm_args->options = jvmOptions;
		vm_args->nOptions = options->Length;
		vm_args->ignoreUnrecognized = JNI_TRUE;

		JavaVM * nativeJvm;
		JNIEnv * nativeEnv;
		//jint vmError = JNI_CreateJavaVM(&nativeJvm,(void **)&nativeEnv, &vm_args);
		//jint vmError=pfnCreateJavaVM(&nativeJvm,(void **)&nativeEnv, &vm_args);
		createJavaVM = (CreateJavaVM_t) GetProcAddress(hinst, "JNI_CreateJavaVM");

		jint vmError = (*createJavaVM)(&nativeJvm, (void **)&nativeEnv, vm_args);

		delete [] jvmOptions;
		jvmOptions = NULL;

		JVMWrapper::jvm = nativeJvm;
		JVMWrapper::env = nativeEnv;

		if(vmError) DestroyJavaVM();
		if(vmError < 0)
			throw gcnew Exception("Failed to destroy JVM, error number: " + vmError);
	}
}