method_missing

static VALUE
fole_missing(int argc, VALUE *argv, VALUE self)
{
    ID id;
    const char* mname;
    int n;
    id = rb_to_id(argv[0]);
    mname = rb_id2name(id);
    if(!mname) {
        rb_raise(rb_eRuntimeError, "fail: unknown method or property");
    }
    n = strlen(mname);
    if(mname[n-1] == '=') {
        argv[0] = rb_enc_str_new(mname, n-1, cWIN32OLE_enc);

        return ole_propertyput(self, argv[0], argv[1]);
    }
    else {
        argv[0] = rb_enc_str_new(mname, n, cWIN32OLE_enc);
        return ole_invoke(argc, argv, self, DISPATCH_METHOD|DISPATCH_PROPERTYGET, FALSE);
    }
}