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); } } } }
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; }