System.ComponentModel.DebugReflectEventDescriptor.FillEventInfoAttribute C# (CSharp) Method

        private void FillEventInfoAttribute(EventInfo realEventInfo, IList attributes) {
            string eventName = realEventInfo.Name;
            BindingFlags bindingFlags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.DeclaredOnly;
            Type currentReflectType = realEventInfo.ReflectedType;
            Debug.Assert(currentReflectType != null, "currentReflectType cannot be null");
            int depth = 0;
            
            // First, calculate the depth of the object hierarchy.  We do this so we can do a single
            // object create for an array of attributes.
            //
            while(currentReflectType != typeof(object)) {
                depth++;
                currentReflectType = currentReflectType.BaseType;
            }

            if (depth > 0) {
                // Now build up an array in reverse order
                //
                currentReflectType = realEventInfo.ReflectedType;
                object[][] attributeStack = new object[depth][];
                
                while(currentReflectType != typeof(object)) {

                    // Fill in our member info so we can get at the custom attributes.
                    //
                    MemberInfo memberInfo = currentReflectType.GetEvent(eventName, bindingFlags);
                    
                    // Get custom attributes for the member info.
                    //
                    if (memberInfo != null) {
                        attributeStack[--depth] = DebugTypeDescriptor.GetCustomAttributes(memberInfo);
                    }
                    
                    // Ready for the next loop iteration.
                    //
                    currentReflectType = currentReflectType.BaseType;
                }
                
                // Now trawl the attribute stack so that we add attributes
                // from base class to most derived.
                //
                foreach(object[] attributeArray in attributeStack) {
                    if (attributeArray != null) {
                        foreach(object attr in attributeArray) {
                            if (attr is Attribute) {
                                attributes.Add(attr);
                            }
                        }
                    }
                }
            }
        }