+
+void*
+mono_cominterop_get_com_interface (MonoObject *object, MonoClass *ic, MonoError *error)
+{
+ error_init (error);
+
+#ifndef DISABLE_COM
+ if (!object)
+ return NULL;
+
+ if (cominterop_object_is_rcw (object)) {
+ MonoClass *klass = NULL;
+ MonoRealProxy* real_proxy = NULL;
+ if (!object)
+ return NULL;
+ klass = mono_object_class (object);
+ if (!mono_class_is_transparent_proxy (klass)) {
+ mono_error_set_invalid_operation (error, "Class is not transparent");
+ return NULL;
+ }
+
+ real_proxy = ((MonoTransparentProxy*)object)->rp;
+ if (!real_proxy) {
+ mono_error_set_invalid_operation (error, "RealProxy is null");
+ return NULL;
+ }
+
+ klass = mono_object_class (real_proxy);
+ if (klass != mono_class_get_interop_proxy_class ()) {
+ mono_error_set_invalid_operation (error, "Object is not a proxy");
+ return NULL;
+ }
+
+ if (!((MonoComInteropProxy*)real_proxy)->com_object) {
+ mono_error_set_invalid_operation (error, "Proxy points to null COM object");
+ return NULL;
+ }
+
+ void* com_itf = cominterop_get_interface_checked (((MonoComInteropProxy*)real_proxy)->com_object, ic, error);
+ return com_itf;
+ }
+ else {
+ void* ccw_entry = cominterop_get_ccw_checked (object, ic, error);
+ return ccw_entry;
+ }
+#else
+ g_assert_not_reached ();
+#endif
+}