| 1 | /* |
| 2 | * $Id: COM.java,v 1.38 2006/03/11 23:29:15 hastings Exp $ |
| 3 | * |
| 4 | * (c) Copyright, Moebius Solutions, Inc., 2004 |
| 5 | * |
| 6 | * All Rights Reserved |
| 7 | * |
| 8 | * This material may be reproduced by or for the U. S. Government |
| 9 | * pursuant to the copyright license under the clause at |
| 10 | * DFARS 252.227-7014 (OCT 2001). |
| 11 | */ |
| 12 | |
| 13 | package com.moesol.bindings.platform_sdk.component_services; |
| 14 | |
| 15 | import java.io.PrintWriter; |
| 16 | import java.io.StringWriter; |
| 17 | import java.lang.reflect.Field; |
| 18 | import java.net.MalformedURLException; |
| 19 | import java.nio.ByteBuffer; |
| 20 | import java.util.logging.Level; |
| 21 | import java.util.logging.Logger; |
| 22 | import java.util.prefs.BackingStoreException; |
| 23 | |
| 24 | import com.moesol.bindings.NativeLibraryLoader; |
| 25 | import com.moesol.bindings.platform_sdk.windows_api.HKEY; |
| 26 | import com.moesol.bindings.platform_sdk.windows_api.HWND; |
| 27 | import com.moesol.bindings.platform_sdk.windows_api.PlatformSDK; |
| 28 | import com.moesol.bindings.platform_sdk.windows_api.Win32Exception; |
| 29 | |
| 30 | /** |
| 31 | * @author robert |
| 32 | */ |
| 33 | public class COM { |
| 34 | private static final Logger logger = Logger.getLogger(COM.class.getName()); |
| 35 | |
| 36 | static { |
| 37 | NativeLibraryLoader.loadLibrary("com_moesol_bindings"); |
| 38 | } |
| 39 | |
| 40 | /** See CoCreateInstance */ |
| 41 | public static final int CLSCTX_INPROC_SERVER = 0x1; |
| 42 | /** See CoCreateInstance */ |
| 43 | public static final int CLSCTX_INPROC_HANDLER = 0x2; |
| 44 | /** See CoCreateInstance */ |
| 45 | public static final int CLSCTX_LOCAL_SERVER = 0x4; |
| 46 | /** See CoCreateInstance */ |
| 47 | public static final int CLSCTX_INPROC_SERVER16 = 0x8; |
| 48 | /** See CoCreateInstance */ |
| 49 | public static final int CLSCTX_REMOTE_SERVER = 0x10; |
| 50 | /** See CoCreateInstance */ |
| 51 | public static final int CLSCTX_INPROC_HANDLER16 = 0x20; |
| 52 | /** See CoCreateInstance, apparently CLSCTX_INPROC_SERVERX86 was deprecated */ |
| 53 | public static final int CLSCTX_RESERVED1 = 0x40; |
| 54 | // public static final int CLSCTX_INPROC_SERVERX86 = 0x40; |
| 55 | /** See CoCreateInstance, apparently CLSCTX_INPROC_HANDLERX86 was deprecated */ |
| 56 | public static final int CLSCTX_RESERVED2 = 0x80; |
| 57 | // public static final int CLSCTX_INPROC_HANDLERX86 = 0x80; |
| 58 | /** See CoCreateInstance, apparently CLSCTX_ESERVER_HANDLER was deprecated */ |
| 59 | public static final int CLSCTX_RESERVED3 = 0x100; |
| 60 | // public static final int CLSCTX_ESERVER_HANDLER = 0x100; |
| 61 | /** See CoCreateInstance */ |
| 62 | public static final int CLSCTX_RESERVED4 = 0x200; |
| 63 | /** See CoCreateInstance */ |
| 64 | public static final int CLSCTX_NO_CODE_DOWNLOAD = 0x400; |
| 65 | /** See CoCreateInstance */ |
| 66 | public static final int CLSCTX_RESERVED5 = 0x800; |
| 67 | /** See CoCreateInstance */ |
| 68 | public static final int CLSCTX_NO_CUSTOM_MARSHAL = 0x1000; |
| 69 | /** See CoCreateInstance */ |
| 70 | public static final int CLSCTX_ENABLE_CODE_DOWNLOAD = 0x2000; |
| 71 | /** See CoCreateInstance */ |
| 72 | public static final int CLSCTX_NO_FAILURE_LOG = 0x4000; |
| 73 | /** See CoCreateInstance */ |
| 74 | public static final int CLSCTX_DISABLE_AAA = 0x8000; |
| 75 | /** See CoCreateInstance */ |
| 76 | public static final int CLSCTX_ENABLE_AAA = 0x10000; |
| 77 | /** See CoCreateInstance */ |
| 78 | public static final int CLSCTX_FROM_DEFAULT_CONTEXT = 0x20000; |
| 79 | |
| 80 | |
| 81 | /** See CoCreateInstance */ |
| 82 | public static final int CLSCTX_INPROC = (CLSCTX_INPROC_SERVER | CLSCTX_INPROC_HANDLER); |
| 83 | /** See CoCreateInstance */ |
| 84 | public static final int CLSCTX_ALL = (CLSCTX_INPROC_SERVER |
| 85 | | CLSCTX_INPROC_HANDLER | CLSCTX_LOCAL_SERVER | CLSCTX_REMOTE_SERVER); |
| 86 | /** See CoCreateInstance */ |
| 87 | public static final int CLSCTX_SERVER = (CLSCTX_INPROC_SERVER |
| 88 | | CLSCTX_LOCAL_SERVER | CLSCTX_REMOTE_SERVER); |
| 89 | /** See CoCreateInstance */ |
| 90 | public static final int CLSCTX_LOCAL = (CLSCTX_INPROC_SERVER |
| 91 | | CLSCTX_INPROC_HANDLER | CLSCTX_LOCAL_SERVER); |
| 92 | |
| 93 | |
| 94 | /** See InprocServer32 in MSDN */ |
| 95 | public static final String ThreadingModel_Apartment = "Apartment"; |
| 96 | /** See InprocServer32 in MSDN */ |
| 97 | public static final String ThreadingModel_Both = "Both"; |
| 98 | /** See InprocServer32 in MSDN */ |
| 99 | public static final String ThreadingModel_Free = "Free"; |
| 100 | /** See InprocServer32 in MSDN */ |
| 101 | public static final String ThreadingModel_Neutral = "Neutral"; |
| 102 | |
| 103 | /** |
| 104 | * Adds a COM event listener to source. Internally, addListener |
| 105 | * uses the IConnectPointContainer of the source to find |
| 106 | * the IConnectionPoint and the add listener. |
| 107 | * |
| 108 | * @param source |
| 109 | * @param listener |
| 110 | * @param diid |
| 111 | */ |
| 112 | public static int addListener(IUnknown source, IUnknown listener, GUID diid) { |
| 113 | IUnknown.Jni unk_jni = (IUnknown.Jni)source; |
| 114 | return IUnknown.Jni.MoeSolInternal.addListener(unk_jni, listener, diid); |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Removes a COM event listener from source. |
| 119 | * |
| 120 | * @param source |
| 121 | * @param listener |
| 122 | * @param diid |
| 123 | */ |
| 124 | public static void removeListener(IUnknown source, IUnknown listener, GUID diid) { |
| 125 | IUnknown.Jni unk_jni = (IUnknown.Jni)source; |
| 126 | IUnknown.Jni.MoeSolInternal.removeListener(unk_jni, listener, diid); |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * The method should probably have default access instead of public. It is kept public |
| 131 | * for backward compatibility with older releases. This method will be marked deprecated |
| 132 | * with tlb2java automatically wraps java interfaces with native proxies. |
| 133 | * |
| 134 | * @param java_sink |
| 135 | * @param out_iface |
| 136 | */ |
| 137 | public static void wrapJavaWithNativeDispatch(IDispatch java_sink, Object[] out_iface) { |
| 138 | InterfaceBuilder ib = new InterfaceBuilder(out_iface); |
| 139 | jni_wrap(java_sink, ib.getIIDBytes(), ib.getResult()); |
| 140 | out_iface[0] = ib.getResult(); |
| 141 | } |
| 142 | |
| 143 | /** |
| 144 | * Note that tlb2java should auto-wrap when a java interface is passed in and it |
| 145 | * is not vtable based! |
| 146 | */ |
| 147 | public static void wrapJavaWithVtableInterface(ComObject java_sink, Object[] out_iface) { |
| 148 | InterfaceBuilder ib = new InterfaceBuilder(out_iface); |
| 149 | out_iface[0] = java_sink.m_iunknown_support.queryInterface(ib.getIID()); |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * See CoCreateInstance |
| 154 | * |
| 155 | * @param rclsid |
| 156 | * @param pUnkOuter |
| 157 | * @param dwClsContext |
| 158 | * @param out_iface |
| 159 | * |
| 160 | * @return HRESULT |
| 161 | */ |
| 162 | public static int CoCreateInstance(GUID rclsid, IUnknown pUnkOuter, |
| 163 | int dwClsContext, Object[] out_iface) |
| 164 | { |
| 165 | out_iface[0] = null; |
| 166 | if (pUnkOuter != null && !(pUnkOuter instanceof IUnknown.Jni)) { |
| 167 | throw new COMException("Java objects cannot be outer unknown for aggregation", HRESULT.E_INVALIDARG); |
| 168 | } |
| 169 | IUnknown.Jni outer = (IUnknown.Jni)pUnkOuter; |
| 170 | |
| 171 | InterfaceBuilder ib = new InterfaceBuilder(out_iface); |
| 172 | int hr = jni_CoCreateInstance(rclsid._getStructureBytes(), outer, |
| 173 | dwClsContext, ib.getIIDBytes(), ib.getResult()); |
| 174 | if (HRESULT.FAILED(hr)) { |
| 175 | throw new COMException(hr); |
| 176 | } |
| 177 | out_iface[0] = ib.getResult(); |
| 178 | return hr; |
| 179 | } |
| 180 | |
| 181 | public static GUID CoCreateGuid() { |
| 182 | GUID guid = new GUID(); |
| 183 | int hr = jni_CoCreateGuid(guid._getStructureBytes()); |
| 184 | if (HRESULT.FAILED(hr)) { |
| 185 | throw new COMException(hr); |
| 186 | } |
| 187 | return guid; |
| 188 | } |
| 189 | |
| 190 | public static int OleCreatePropertyFrame( |
| 191 | HWND hwndOwner, //Parent window of property sheet dialog box |
| 192 | int x, //Horizontal position for dialog box |
| 193 | int y, //Vertical position for dialog box |
| 194 | String lpszCaption, |
| 195 | //Pointer to the dialog box caption |
| 196 | IUnknown[] objects, |
| 197 | //Pointer to the objects for property sheet |
| 198 | GUID[] lpPageClsID, |
| 199 | //Array of CLSIDs for each property page |
| 200 | int lcid, //Locale identifier for property sheet locale |
| 201 | int dwReserved, //Reserved |
| 202 | Object lpvReserved //Reserved |
| 203 | ) |
| 204 | { |
| 205 | GUID.Array array = convertGuidArray(lpPageClsID); |
| 206 | |
| 207 | int hr = jni_OleCreatePropertyFrame(HWND._safeGetHandle(hwndOwner), x, y, lpszCaption, |
| 208 | objects.length, objects, |
| 209 | lpPageClsID.length, array._getByteBuffer(), |
| 210 | lcid, dwReserved, lpvReserved); |
| 211 | if (HRESULT.FAILED(hr)) { |
| 212 | throw new COMException(hr); |
| 213 | } |
| 214 | return hr; |
| 215 | } |
| 216 | |
| 217 | private static GUID.Array convertGuidArray(GUID[] lpPageClsID) { |
| 218 | ByteBuffer guid_bb = ByteBuffer.allocate(GUID.sizeof() * lpPageClsID.length); |
| 219 | GUID.Array array = new GUID.Array(guid_bb); |
| 220 | for (int i = 0; i < lpPageClsID.length; i++) { |
| 221 | array.put(i, lpPageClsID[i]); |
| 222 | } |
| 223 | return array; |
| 224 | } |
| 225 | |
| 226 | |
| 227 | /** |
| 228 | * Turn off apartment thread checking for unk. |
| 229 | * @param unk |
| 230 | */ |
| 231 | public static void disableApartmentChecking(IUnknown unk) { |
| 232 | IUnknown.Jni unk_jni = (IUnknown.Jni)unk; |
| 233 | IUnknown.Jni.MoeSolInternal.disableApartmentChecking(unk_jni); |
| 234 | } |
| 235 | |
| 236 | /** |
| 237 | * Turn on apartment thread checking for unk. |
| 238 | * @param unk |
| 239 | */ |
| 240 | public static void recordApartment(IUnknown unk) { |
| 241 | IUnknown.Jni unk_jni = (IUnknown.Jni)unk; |
| 242 | IUnknown.Jni.MoeSolInternal.recordApartment(unk_jni); |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * See OleInitialize. You do not need to call this method if you use an |
| 247 | * {@code OleThread}. |
| 248 | * @return HRESULT |
| 249 | * @see OleThread |
| 250 | */ |
| 251 | public static int OleInitialize() { |
| 252 | int hr = jni_OleInitialize(); |
| 253 | if (HRESULT.FAILED(hr)) { |
| 254 | throw new COMException(hr); |
| 255 | } |
| 256 | incInitCount(); |
| 257 | return hr; |
| 258 | } |
| 259 | /** |
| 260 | * See OleUninitialize. You do not need to call this method if you use an |
| 261 | * {@code OleThread}. |
| 262 | * @see OleThread |
| 263 | */ |
| 264 | public static void OleUninitialize() { |
| 265 | synchronized (COM.class) { |
| 266 | decInitCount(); |
| 267 | if (g_init_count == 0) { |
| 268 | checkSafety(); |
| 269 | } |
| 270 | } |
| 271 | jni_OleUninitialize(); |
| 272 | } |
| 273 | private static void checkSafety() { |
| 274 | if (COM.getUnreleasedCount() == 0) { |
| 275 | // Fast exit |
| 276 | return; |
| 277 | } |
| 278 | |
| 279 | COM.gc(); |
| 280 | |
| 281 | if (COM.getUnreleasedCount() != 0) { |
| 282 | logger.log(Level.SEVERE, |
| 283 | "Unreleased ({0}) interfaces may crash JVM.", new Integer( |
| 284 | COM.getUnreleasedCount())); |
| 285 | } |
| 286 | assert(COM.getUnreleasedCount() == 0); |
| 287 | } |
| 288 | |
| 289 | /** |
| 290 | * Call System.gc in a loop for upto one second to |
| 291 | * release all COM interfaces. |
| 292 | * Since System.gc may not always call finalize on all finalizable |
| 293 | * objects we loop for upto one second calling System.gc and Thread.yield. |
| 294 | * If the unreleased count goes to zero return immediately. |
| 295 | */ |
| 296 | public static void gc() { |
| 297 | long start_millis = System.currentTimeMillis(); |
| 298 | long end_millis = start_millis + 1000; |
| 299 | while (COM.getUnreleasedCount() > 0 && (System.currentTimeMillis() < end_millis)) { |
| 300 | System.gc(); |
| 301 | Thread.yield(); |
| 302 | } |
| 303 | } |
| 304 | |
| 305 | static private long g_init_count; |
| 306 | static private synchronized void incInitCount() { |
| 307 | g_init_count++; |
| 308 | } |
| 309 | static private synchronized void decInitCount() { |
| 310 | g_init_count--; |
| 311 | } |
| 312 | static private native int jni_OleInitialize(); |
| 313 | static private native void jni_OleUninitialize(); |
| 314 | static private native int jni_CoCreateGuid(byte[] guidBytes); |
| 315 | static private native int jni_OleCreatePropertyFrame( |
| 316 | long hwndOwner, int x, int y, |
| 317 | String lpszCaption, int count_objects, IUnknown[] objects, int count_guids, ByteBuffer guid_bb, |
| 318 | int lcid, int dwReserved, Object lpvReserved); |
| 319 | |
| 320 | static private native int jni_CoCreateInstance(byte[] rclsid, IUnknown.Jni pUnkOuter, |
| 321 | int dwClsContext, byte[] riid, IUnknown out_ppv); |
| 322 | static private native void jni_wrap(IDispatch java_sink, byte[] diid, IUnknown out_ppv); |
| 323 | |
| 324 | |
| 325 | /** |
| 326 | * Get the IID of the most derived interface that <code>unk</code> |
| 327 | * represents. Used in the unit tests to confirm QI is working correctly. |
| 328 | * |
| 329 | * @param unk |
| 330 | * |
| 331 | * @return a GUID that is the IID of the most derived interface that |
| 332 | * <code>unk</code> represents. |
| 333 | */ |
| 334 | public static GUID extractIID(IUnknown unk) { |
| 335 | return extractIID(findIIDField(unk.getClass())); |
| 336 | } |
| 337 | private static GUID extractIID(Field iid_field) { |
| 338 | try { |
| 339 | return (GUID) iid_field.get(null); |
| 340 | } catch (Exception e) { |
| 341 | throw new RuntimeException(e); |
| 342 | } |
| 343 | } |
| 344 | private static Field findIIDField(Class iface_type) { |
| 345 | try { |
| 346 | return iface_type.getField("IID"); |
| 347 | } catch (Exception e) { |
| 348 | throw new RuntimeException(e); |
| 349 | } |
| 350 | } |
| 351 | |
| 352 | /** |
| 353 | * The unreleased count is the count of all IUnknown and subclasses that |
| 354 | * have native COM interfaces attached. To free these native COM interfaces |
| 355 | * the IUnknown.Release must be called. |
| 356 | * |
| 357 | * @return Count of all COM interfaces that have not been released. |
| 358 | */ |
| 359 | public static int getUnreleasedCount() { |
| 360 | return IUnknown.Jni.MoeSolInternal.getUnreleasedCount(); |
| 361 | } |
| 362 | |
| 363 | /** |
| 364 | * @return the number of generic sinks that have not been released. |
| 365 | */ |
| 366 | public static int getGenericSinkInstanceCount() { |
| 367 | return _getGenericSinkInstanceCount(); |
| 368 | } |
| 369 | private static native int _getGenericSinkInstanceCount(); |
| 370 | |
| 371 | /** |
| 372 | * @return the number of thunks that have not been relesed. |
| 373 | */ |
| 374 | public static int getVtableThunkCount() { |
| 375 | return jni_getVtableThunkCount(); |
| 376 | } |
| 377 | private static native int jni_getVtableThunkCount(); |
| 378 | |
| 379 | static IUnknown dllGetClassObject(ByteBuffer bb_clsid, ByteBuffer bb_iid) { |
| 380 | GUID clsid = new GUID(bb_clsid); |
| 381 | GUID iid = new GUID(bb_iid); |
| 382 | try { |
| 383 | String class_name = findComServerValue(clsid, "Class"); |
| 384 | Class server_class = ComInProcGroups.instance().getClass(clsid, class_name); |
| 385 | ComClassFactory factory = new ComClassFactory(server_class); |
| 386 | return factory.m_iunknown_support.queryInterface(iid); |
| 387 | } catch (ClassCastException e) { |
| 388 | logger.log(Level.INFO, "caught", e); |
| 389 | throw new COMException(COM.mapExceptionToHRESULT(e)); |
| 390 | } catch (ClassNotFoundException e) { |
| 391 | logger.log(Level.INFO, "caught", e); |
| 392 | throw new COMException(COM.mapExceptionToHRESULT(e)); |
| 393 | } catch (MalformedURLException e) { |
| 394 | logger.log(Level.INFO, "caught", e); |
| 395 | throw new COMException(COM.mapExceptionToHRESULT(e)); |
| 396 | } catch (BackingStoreException e) { |
| 397 | logger.log(Level.INFO, "caught", e); |
| 398 | throw new COMException(COM.mapExceptionToHRESULT(e)); |
| 399 | } |
| 400 | } |
| 401 | |
| 402 | static String findComServerValue(GUID clsid, String value_name) { |
| 403 | try { |
| 404 | HKEY out_key[] = { null }; |
| 405 | PlatformSDK.RegOpenKeyEx(PlatformSDK.HKEY_CLASSES_ROOT, "CLSID\\" + clsid.toString() + "\\InProcServer32", 0, PlatformSDK.KEY_READ, out_key); |
| 406 | try { |
| 407 | String[] out_value = { null }; |
| 408 | PlatformSDK.RegQueryValue(out_key[0], value_name, out_value); |
| 409 | return out_value[0]; |
| 410 | } finally { |
| 411 | PlatformSDK.RegCloseKey(out_key[0]); |
| 412 | } |
| 413 | } catch (Win32Exception we) { |
| 414 | throw new COMException(mapExceptionToHRESULT(we)); |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | /** |
| 419 | * @return The full path to the com_moesol_bindings.dll. |
| 420 | */ |
| 421 | static String getBindingsPath() { |
| 422 | String r = jni_getBindingsPath("com_moesol_bindings.dll"); |
| 423 | if (r == null) { |
| 424 | throw new Win32Exception(PlatformSDK.GetLastError()); |
| 425 | } |
| 426 | return r; |
| 427 | } |
| 428 | |
| 429 | private static native String jni_getBindingsPath(String module); |
| 430 | |
| 431 | /** |
| 432 | * Called by JNI code to get the best HRESULT for {@code t}. |
| 433 | * |
| 434 | * @param t |
| 435 | * @return HRESULT |
| 436 | */ |
| 437 | static int uncaughtJavaException(Throwable t) { |
| 438 | logger.log(Level.FINE, "Java COM component threw exception", t); |
| 439 | return mapExceptionToHRESULT(t); |
| 440 | } |
| 441 | |
| 442 | /** |
| 443 | * Called by JNI code to get the stack track for {@code t} |
| 444 | * |
| 445 | * @param t |
| 446 | * @return String representation of the stack trace for {@code t} |
| 447 | */ |
| 448 | static String computeStringForJavaException(Throwable t) { |
| 449 | StringWriter sw = new StringWriter(); |
| 450 | PrintWriter pw = new PrintWriter(sw); |
| 451 | t.printStackTrace(pw); |
| 452 | pw.close(); |
| 453 | return sw.toString(); |
| 454 | } |
| 455 | |
| 456 | /** |
| 457 | * @param t |
| 458 | * @return best HRESULT based on {@code t}. |
| 459 | */ |
| 460 | public static int mapExceptionToHRESULT(Throwable t) { |
| 461 | if (t instanceof OutOfMemoryError) { |
| 462 | return HRESULT.E_OUTOFMEMORY; |
| 463 | } else if (t instanceof UnsupportedOperationException) { |
| 464 | return HRESULT.E_NOTIMPL; |
| 465 | } else if (t instanceof IllegalAccessException) { |
| 466 | return HRESULT.E_ACCESSDENIED; |
| 467 | } else if (t instanceof IllegalArgumentException) { |
| 468 | return HRESULT.E_INVALIDARG; |
| 469 | } else if (t instanceof NullPointerException) { |
| 470 | return HRESULT.E_POINTER; |
| 471 | } else if (t instanceof IllegalStateException) { |
| 472 | return HRESULT.E_UNEXPECTED; |
| 473 | } else if (t instanceof ClassCastException) { |
| 474 | return HRESULT.DISP_E_TYPEMISMATCH; |
| 475 | } else if (t instanceof InstantiationException) { |
| 476 | return HRESULT.CO_E_CLASS_CREATE_FAILED; |
| 477 | } else if (t instanceof IllegalAccessException) { |
| 478 | return HRESULT.E_ACCESSDENIED; |
| 479 | } else if (t instanceof ClassNotFoundException) { |
| 480 | return HRESULT.CLASS_E_CLASSNOTAVAILABLE; |
| 481 | } else if (t instanceof Win32Exception) { |
| 482 | Win32Exception we = (Win32Exception)t; |
| 483 | return HRESULT.HRESULT_FROM_WIN32(we.getLRESULT()); |
| 484 | } else if (t instanceof MalformedURLException) { |
| 485 | return HRESULT.MK_E_SYNTAX; |
| 486 | } else if (t instanceof BackingStoreException) { |
| 487 | return HRESULT.REGDB_E_READREGDB; |
| 488 | } else if (t instanceof COMException) { |
| 489 | COMException ce = (COMException)t; |
| 490 | return ce.getHRESULT(); |
| 491 | } |
| 492 | |
| 493 | return HRESULT.E_FAIL; |
| 494 | } |
| 495 | |
| 496 | public static void Invoke(IDispatch callee, int dispIdMember, GUID riid, int lcid, short wFlags, |
| 497 | Object[] dispParams, Object[] varResult) |
| 498 | { |
| 499 | IDispatch.Jni inner_jni = (IDispatch.Jni) callee; |
| 500 | inner_jni.Invoke(dispIdMember, riid, lcid, wFlags, dispParams, varResult); |
| 501 | } |
| 502 | } |