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 { Name = ComRuntimeHelpers.GetNameOfLib(typeLib), _typeLibAttributes = typeLibAttr }; int countTypes = typeLib.GetTypeInfoCount(); for (int i = 0; i < countTypes; i++) { typeLib.GetTypeInfoType(i, out ComTypes.TYPEKIND typeKind); typeLib.GetTypeInfo(i, out ComTypes.ITypeInfo 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) { ComRuntimeHelpers.GetInfoFromType(typeInfo, out string aliasName, out _); typeInfo.GetRefTypeInfo(typeAttr.tdescAlias.lpValue.ToInt32(), out ComTypes.ITypeInfo 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); }
internal TypeEnumMetaObject(ComTypeEnumDesc desc, Expression expression) : base(expression, BindingRestrictions.Empty, desc) { _desc = desc; }