internal ComTypeDesc(ITypeInfo typeInfo, ComType memberType, ComTypeLibDesc typeLibDesc) : base(memberType) { if (typeInfo != null) { ComRuntimeHelpers.GetInfoFromType(typeInfo, out _typeName, out _documentation); } TypeLib = typeLibDesc; }
private static ComTypes.ITypeInfo GetCoClassTypeInfo(object rcw, ComTypes.ITypeInfo typeInfo) { Debug.Assert(typeInfo != null); IProvideClassInfo provideClassInfo = rcw as IProvideClassInfo; if (provideClassInfo != null) { IntPtr typeInfoPtr = IntPtr.Zero; try { provideClassInfo.GetClassInfo(out typeInfoPtr); if (typeInfoPtr != IntPtr.Zero) { return(Marshal.GetObjectForIUnknown(typeInfoPtr) as ComTypes.ITypeInfo); } } finally { if (typeInfoPtr != IntPtr.Zero) { Marshal.Release(typeInfoPtr); } } } // retrieving class information through IPCI has failed - // we can try scanning the typelib to find the coclass ComTypes.ITypeLib typeLib; int typeInfoIndex; typeInfo.GetContainingTypeLib(out typeLib, out typeInfoIndex); string typeName = ComRuntimeHelpers.GetNameOfType(typeInfo); ComTypeLibDesc typeLibDesc = ComTypeLibDesc.GetFromTypeLib(typeLib); ComTypeClassDesc coclassDesc = typeLibDesc.GetCoClassForInterface(typeName); if (coclassDesc == null) { return(null); } ComTypes.ITypeInfo typeInfoCoClass; Guid coclassGuid = coclassDesc.Guid; typeLib.GetTypeInfoOfGuid(ref coclassGuid, out typeInfoCoClass); return(typeInfoCoClass); }
internal ComTypeClassDesc(ComTypes.ITypeInfo typeInfo, ComTypeLibDesc typeLibDesc) : base(typeInfo, typeLibDesc) { ComTypes.TYPEATTR typeAttr = ComRuntimeHelpers.GetTypeAttrForTypeInfo(typeInfo); Guid = typeAttr.guid; for (int i = 0; i < typeAttr.cImplTypes; i++) { typeInfo.GetRefTypeOfImplType(i, out int hRefType); typeInfo.GetRefTypeInfo(hRefType, out ComTypes.ITypeInfo currentTypeInfo); typeInfo.GetImplTypeFlags(i, out ComTypes.IMPLTYPEFLAGS implTypeFlags); bool isSourceItf = (implTypeFlags & ComTypes.IMPLTYPEFLAGS.IMPLTYPEFLAG_FSOURCE) != 0; AddInterface(currentTypeInfo, isSourceItf); } }
private static void ScanSourceInterface(ComTypes.ITypeInfo sourceTypeInfo, ref Dictionary <string, ComEventDesc> events) { ComTypes.TYPEATTR sourceTypeAttribute = ComRuntimeHelpers.GetTypeAttrForTypeInfo(sourceTypeInfo); for (int index = 0; index < sourceTypeAttribute.cFuncs; index++) { IntPtr funcDescHandleToRelease = IntPtr.Zero; try { ComTypes.FUNCDESC funcDesc; GetFuncDescForDescIndex(sourceTypeInfo, index, out funcDesc, out funcDescHandleToRelease); // we are not interested in hidden or restricted functions for now. if ((funcDesc.wFuncFlags & (int)ComTypes.FUNCFLAGS.FUNCFLAG_FHIDDEN) != 0) { continue; } if ((funcDesc.wFuncFlags & (int)ComTypes.FUNCFLAGS.FUNCFLAG_FRESTRICTED) != 0) { continue; } string name = ComRuntimeHelpers.GetNameOfMethod(sourceTypeInfo, funcDesc.memid); name = name.ToUpper(System.Globalization.CultureInfo.InvariantCulture); // Sometimes coclass has multiple source interfaces. Usually this is caused by // adding new events and putting them on new interfaces while keeping the // old interfaces around. This may cause name collisions which we are // resolving by keeping only the first event with the same name. if (events.ContainsKey(name) == false) { ComEventDesc eventDesc = new ComEventDesc(); eventDesc.dispid = funcDesc.memid; eventDesc.sourceIID = sourceTypeAttribute.guid; events.Add(name, eventDesc); } } finally { if (funcDescHandleToRelease != IntPtr.Zero) { sourceTypeInfo.ReleaseFuncDesc(funcDescHandleToRelease); } } } }
/// <summary> /// Gets an ITypeLib object from OLE Automation compatible RCW , /// reads definitions of CoClasses and Enum's from this library /// and creates a IDynamicMetaObjectProvider that allows to instantiate coclasses /// and get actual values for the enums. /// </summary> /// <param name="rcw">OLE automation compatible RCW</param> /// <returns>ComTypeLibDesc object</returns> public static ComTypeLibInfo CreateFromObject(object rcw) { if (Marshal.IsComObject(rcw) == false) { throw new ArgumentException("COM object is expected."); } ComTypes.ITypeInfo typeInfo = ComRuntimeHelpers.GetITypeInfoFromIDispatch(rcw as IDispatch, true); ComTypes.ITypeLib typeLib; int typeInfoIndex; typeInfo.GetContainingTypeLib(out typeLib, out typeInfoIndex); return(new ComTypeLibInfo(GetFromTypeLib(typeLib))); }
private void AddInterface(ComTypes.ITypeInfo itfTypeInfo, bool isSourceItf) { string itfName = ComRuntimeHelpers.GetNameOfType(itfTypeInfo); if (isSourceItf) { if (_sourceItfs == null) { _sourceItfs = new LinkedList <string>(); } _sourceItfs.AddLast(itfName); } else { if (_itfs == null) { _itfs = new LinkedList <string>(); } _itfs.AddLast(itfName); } }
internal ComTypeEnumDesc(ComTypes.ITypeInfo typeInfo, ComTypeLibDesc typeLibDesc) : base(typeInfo, typeLibDesc) { ComTypes.TYPEATTR typeAttr = ComRuntimeHelpers.GetTypeAttrForTypeInfo(typeInfo); string[] memberNames = new string[typeAttr.cVars]; object[] memberValues = new object[typeAttr.cVars]; IntPtr p; // For each enum member get name and value. for (int i = 0; i < typeAttr.cVars; i++) { typeInfo.GetVarDesc(i, out p); // Get the enum member value (as object). ComTypes.VARDESC varDesc; try { varDesc = (ComTypes.VARDESC)Marshal.PtrToStructure(p, typeof(ComTypes.VARDESC)); if (varDesc.varkind == ComTypes.VARKIND.VAR_CONST) { memberValues[i] = Marshal.GetObjectForNativeVariant(varDesc.desc.lpvarValue); } } finally { typeInfo.ReleaseVarDesc(p); } // Get the enum member name memberNames[i] = ComRuntimeHelpers.GetNameOfMethod(typeInfo, varDesc.memid); } _memberNames = memberNames; _memberValues = memberValues; }
private void EnsureScanDefinedMethods() { if (_comTypeDesc != null && _comTypeDesc.Funcs != null) { return; } ComTypes.ITypeInfo typeInfo = ComRuntimeHelpers.GetITypeInfoFromIDispatch(DispatchObject, true); if (typeInfo == null) { _comTypeDesc = ComTypeDesc.CreateEmptyTypeDesc(); return; } ComTypes.TYPEATTR typeAttr = ComRuntimeHelpers.GetTypeAttrForTypeInfo(typeInfo); if (_comTypeDesc == null) { lock (s_cacheComTypeDesc) { if (s_cacheComTypeDesc.TryGetValue(typeAttr.guid, out _comTypeDesc) == true && _comTypeDesc.Funcs != null) { return; } } } if (typeAttr.typekind == ComTypes.TYPEKIND.TKIND_INTERFACE) { // We have typeinfo for custom interface. Get typeinfo for Dispatch interface. typeInfo = ComTypeInfo.GetDispatchTypeInfoFromCustomInterfaceTypeInfo(typeInfo); typeAttr = ComRuntimeHelpers.GetTypeAttrForTypeInfo(typeInfo); } if (typeAttr.typekind == ComTypes.TYPEKIND.TKIND_COCLASS) { // We have typeinfo for the COClass. Find the default interface and get typeinfo for default interface. typeInfo = ComTypeInfo.GetDispatchTypeInfoFromCoClassTypeInfo(typeInfo); typeAttr = ComRuntimeHelpers.GetTypeAttrForTypeInfo(typeInfo); } ComTypeDesc typeDesc = ComTypeDesc.FromITypeInfo(typeInfo, typeAttr); ComMethodDesc getItem = null; ComMethodDesc setItem = null; Hashtable funcs = new Hashtable(typeAttr.cFuncs); Hashtable puts = new Hashtable(); Hashtable putrefs = new Hashtable(); for (int definedFuncIndex = 0; definedFuncIndex < typeAttr.cFuncs; definedFuncIndex++) { IntPtr funcDescHandleToRelease = IntPtr.Zero; try { ComTypes.FUNCDESC funcDesc; GetFuncDescForDescIndex(typeInfo, definedFuncIndex, out funcDesc, out funcDescHandleToRelease); if ((funcDesc.wFuncFlags & (int)ComTypes.FUNCFLAGS.FUNCFLAG_FRESTRICTED) != 0) { // This function is not meant for the script user to use. continue; } ComMethodDesc method = new ComMethodDesc(typeInfo, funcDesc); string name = method.Name.ToUpper(System.Globalization.CultureInfo.InvariantCulture); if ((funcDesc.invkind & ComTypes.INVOKEKIND.INVOKE_PROPERTYPUT) != 0) { // If there is a getter for this put, use that ReturnType as the // PropertyType. if (funcs.ContainsKey(name)) { method.InputType = ((ComMethodDesc)funcs[name]).ReturnType; } puts.Add(name, method); // for the special dispId == 0, we need to store // the method descriptor for the Do(SetItem) binder. if (method.DispId == ComDispIds.DISPID_VALUE && setItem == null) { setItem = method; } continue; } if ((funcDesc.invkind & ComTypes.INVOKEKIND.INVOKE_PROPERTYPUTREF) != 0) { // If there is a getter for this put, use that ReturnType as the // PropertyType. if (funcs.ContainsKey(name)) { method.InputType = ((ComMethodDesc)funcs[name]).ReturnType; } putrefs.Add(name, method); // for the special dispId == 0, we need to store // the method descriptor for the Do(SetItem) binder. if (method.DispId == ComDispIds.DISPID_VALUE && setItem == null) { setItem = method; } continue; } if (funcDesc.memid == ComDispIds.DISPID_NEWENUM) { funcs.Add("GETENUMERATOR", method); continue; } // If there is a setter for this put, update the InputType from our // ReturnType. if (puts.ContainsKey(name)) { ((ComMethodDesc)puts[name]).InputType = method.ReturnType; } if (putrefs.ContainsKey(name)) { ((ComMethodDesc)putrefs[name]).InputType = method.ReturnType; } funcs.Add(name, method); // for the special dispId == 0, we need to store the method descriptor // for the Do(GetItem) binder. if (funcDesc.memid == ComDispIds.DISPID_VALUE) { getItem = method; } } finally { if (funcDescHandleToRelease != IntPtr.Zero) { typeInfo.ReleaseFuncDesc(funcDescHandleToRelease); } } } lock (s_cacheComTypeDesc) { ComTypeDesc cachedTypeDesc; if (s_cacheComTypeDesc.TryGetValue(typeAttr.guid, out cachedTypeDesc)) { _comTypeDesc = cachedTypeDesc; } else { _comTypeDesc = typeDesc; s_cacheComTypeDesc.Add(typeAttr.guid, _comTypeDesc); } _comTypeDesc.Funcs = funcs; _comTypeDesc.Puts = puts; _comTypeDesc.PutRefs = putrefs; _comTypeDesc.EnsureGetItem(getItem); _comTypeDesc.EnsureSetItem(setItem); } }
private void EnsureScanDefinedEvents() { // _comTypeDesc.Events is null if we have not yet attempted // to scan the object for events. if (_comTypeDesc != null && _comTypeDesc.Events != null) { return; } // check type info in the type descriptions cache ComTypes.ITypeInfo typeInfo = ComRuntimeHelpers.GetITypeInfoFromIDispatch(DispatchObject, true); if (typeInfo == null) { _comTypeDesc = ComTypeDesc.CreateEmptyTypeDesc(); return; } ComTypes.TYPEATTR typeAttr = ComRuntimeHelpers.GetTypeAttrForTypeInfo(typeInfo); if (_comTypeDesc == null) { lock (s_cacheComTypeDesc) { if (s_cacheComTypeDesc.TryGetValue(typeAttr.guid, out _comTypeDesc) == true && _comTypeDesc.Events != null) { return; } } } ComTypeDesc typeDesc = ComTypeDesc.FromITypeInfo(typeInfo, typeAttr); ComTypes.ITypeInfo classTypeInfo = null; Dictionary <string, ComEventDesc> events = null; var cpc = RuntimeCallableWrapper as ComTypes.IConnectionPointContainer; if (cpc == null) { // No ICPC - this object does not support events events = ComTypeDesc.EmptyEvents; } else if ((classTypeInfo = GetCoClassTypeInfo(this.RuntimeCallableWrapper, typeInfo)) == null) { // no class info found - this object may support events // but we could not discover those events = ComTypeDesc.EmptyEvents; } else { events = new Dictionary <string, ComEventDesc>(); ComTypes.TYPEATTR classTypeAttr = ComRuntimeHelpers.GetTypeAttrForTypeInfo(classTypeInfo); for (int i = 0; i < classTypeAttr.cImplTypes; i++) { int hRefType; classTypeInfo.GetRefTypeOfImplType(i, out hRefType); ComTypes.ITypeInfo interfaceTypeInfo; classTypeInfo.GetRefTypeInfo(hRefType, out interfaceTypeInfo); ComTypes.IMPLTYPEFLAGS flags; classTypeInfo.GetImplTypeFlags(i, out flags); if ((flags & ComTypes.IMPLTYPEFLAGS.IMPLTYPEFLAG_FSOURCE) != 0) { ScanSourceInterface(interfaceTypeInfo, ref events); } } if (events.Count == 0) { events = ComTypeDesc.EmptyEvents; } } lock (s_cacheComTypeDesc) { ComTypeDesc cachedTypeDesc; if (s_cacheComTypeDesc.TryGetValue(typeAttr.guid, out cachedTypeDesc)) { _comTypeDesc = cachedTypeDesc; } else { _comTypeDesc = typeDesc; s_cacheComTypeDesc.Add(typeAttr.guid, _comTypeDesc); } _comTypeDesc.Events = events; } }
internal static ComTypeLibDesc GetFromTypeLib(ComTypes.ITypeLib typeLib) { // check whether we have already loaded this type library ComTypes.TYPELIBATTR typeLibAttr = ComRuntimeHelpers.GetTypeAttrForTypeLib(typeLib); ComTypeLibDesc typeLibDesc; lock (s_cachedTypeLibDesc) { if (s_cachedTypeLibDesc.TryGetValue(typeLibAttr.guid, out typeLibDesc)) { return(typeLibDesc); } } typeLibDesc = new ComTypeLibDesc(); typeLibDesc.Name = ComRuntimeHelpers.GetNameOfLib(typeLib); typeLibDesc._typeLibAttributes = typeLibAttr; int countTypes = typeLib.GetTypeInfoCount(); for (int i = 0; i < countTypes; i++) { ComTypes.TYPEKIND typeKind; typeLib.GetTypeInfoType(i, out typeKind); ComTypes.ITypeInfo typeInfo; typeLib.GetTypeInfo(i, out typeInfo); if (typeKind == ComTypes.TYPEKIND.TKIND_COCLASS) { ComTypeClassDesc classDesc = new ComTypeClassDesc(typeInfo, typeLibDesc); typeLibDesc._classes.AddLast(classDesc); } else if (typeKind == ComTypes.TYPEKIND.TKIND_ENUM) { ComTypeEnumDesc enumDesc = new ComTypeEnumDesc(typeInfo, typeLibDesc); typeLibDesc._enums.Add(enumDesc.TypeName, enumDesc); } else if (typeKind == ComTypes.TYPEKIND.TKIND_ALIAS) { ComTypes.TYPEATTR typeAttr = ComRuntimeHelpers.GetTypeAttrForTypeInfo(typeInfo); if (typeAttr.tdescAlias.vt == (short)VarEnum.VT_USERDEFINED) { string aliasName, documentation; ComRuntimeHelpers.GetInfoFromType(typeInfo, out aliasName, out documentation); ComTypes.ITypeInfo referencedTypeInfo; typeInfo.GetRefTypeInfo(typeAttr.tdescAlias.lpValue.ToInt32(), out referencedTypeInfo); ComTypes.TYPEATTR referencedTypeAttr = ComRuntimeHelpers.GetTypeAttrForTypeInfo(referencedTypeInfo); ComTypes.TYPEKIND referencedTypeKind = referencedTypeAttr.typekind; if (referencedTypeKind == ComTypes.TYPEKIND.TKIND_ENUM) { ComTypeEnumDesc enumDesc = new ComTypeEnumDesc(referencedTypeInfo, typeLibDesc); typeLibDesc._enums.Add(aliasName, enumDesc); } } } } // cached the typelib using the guid as the dictionary key lock (s_cachedTypeLibDesc) { s_cachedTypeLibDesc.Add(typeLibAttr.guid, typeLibDesc); } return(typeLibDesc); }