public override ValidationErrorCollection Validate(ValidationManager manager, object obj)
        {
            ValidationErrorCollection errors = base.Validate(manager, obj);
            PropertyBind bind = obj as PropertyBind;

            if (bind == null)
            {
                throw new ArgumentException(SR.GetString("Error_UnexpectedArgumentType", new object[] { typeof(PropertyBind).FullName }), "obj");
            }
            PropertyValidationContext validationContext = manager.Context[typeof(PropertyValidationContext)] as PropertyValidationContext;

            if (validationContext == null)
            {
                throw new InvalidOperationException(SR.GetString("Error_ContextStackItemMissing", new object[] { typeof(BindValidationContext).Name }));
            }
            Activity activity = manager.Context[typeof(Activity)] as Activity;

            if (activity == null)
            {
                throw new InvalidOperationException(SR.GetString("Error_ContextStackItemMissing", new object[] { typeof(Activity).Name }));
            }
            ValidationError item = null;

            if (string.IsNullOrEmpty(bind.Name))
            {
                item = new ValidationError(SR.GetString("Error_PropertyNotSet", new object[] { "Name" }), 0x116)
                {
                    PropertyName = base.GetFullPropertyName(manager) + ".Name"
                };
            }
            else
            {
                BindValidationContext context2 = manager.Context[typeof(BindValidationContext)] as BindValidationContext;
                if (context2 == null)
                {
                    Type baseType = BindHelpers.GetBaseType(manager, validationContext);
                    if (baseType != null)
                    {
                        AccessTypes accessType = BindHelpers.GetAccessType(manager, validationContext);
                        context2 = new BindValidationContext(baseType, accessType);
                    }
                }
                if (context2 != null)
                {
                    Type targetType = context2.TargetType;
                    if (item == null)
                    {
                        errors.AddRange(this.ValidateBindProperty(manager, activity, bind, new BindValidationContext(targetType, context2.Access)));
                    }
                }
            }
            if (item != null)
            {
                errors.Add(item);
            }
            return(errors);
        }
Exemple #2
0
        public void LoggerTest()
        {
            _loggerOptions = BindHelpers.FillLoggerOptions();
            var options = Options.Create(_loggerOptions);

            _loggerService = new LoggerService(options);

            Action action = () => _loggerService.LogMessage("hi..", MessageType.Error);

            AssertHelpers.DoesNotThrows <Exception>(action);
        }
Exemple #3
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        private ValidationErrorCollection ValidateActivityBind(ValidationManager manager, object obj)
        {
            ValidationErrorCollection errors = base.Validate(manager, obj);
            ActivityBind bind = obj as ActivityBind;
            PropertyValidationContext validationContext = manager.Context[typeof(PropertyValidationContext)] as PropertyValidationContext;

            if (validationContext == null)
            {
                throw new InvalidOperationException(SR.GetString("Error_ContextStackItemMissing", new object[] { typeof(BindValidationContext).Name }));
            }
            if (!(manager.Context[typeof(Activity)] is Activity))
            {
                throw new InvalidOperationException(SR.GetString("Error_ContextStackItemMissing", new object[] { typeof(Activity).Name }));
            }
            ValidationError       item     = null;
            BindValidationContext context2 = manager.Context[typeof(BindValidationContext)] as BindValidationContext;

            if (context2 == null)
            {
                Type baseType = BindHelpers.GetBaseType(manager, validationContext);
                if (baseType != null)
                {
                    AccessTypes accessType = BindHelpers.GetAccessType(manager, validationContext);
                    context2 = new BindValidationContext(baseType, accessType);
                }
            }
            if (context2 != null)
            {
                Type targetType = context2.TargetType;
                if (item == null)
                {
                    errors.AddRange(this.ValidateActivity(manager, bind, new BindValidationContext(targetType, context2.Access)));
                }
            }
            if (item != null)
            {
                errors.Add(item);
            }
            return(errors);
        }
 internal static bool CreateField(ITypeDescriptorContext context, ActivityBind activityBind, bool throwOnError)
 {
     if (!string.IsNullOrEmpty(activityBind.Path))
     {
         Type toType = PropertyDescriptorUtils.GetBaseType(context.PropertyDescriptor, context.Instance, context);
         Activity component = PropertyDescriptorUtils.GetComponent(context) as Activity;
         if ((component != null) && (toType != null))
         {
             component = Helpers.ParseActivityForBind(component, activityBind.Name);
             if (component == Helpers.GetRootActivity(component))
             {
                 bool ignoreCase = CompilerHelpers.GetSupportedLanguage(context) == SupportedLanguages.VB;
                 Type dataSourceClass = Helpers.GetDataSourceClass(component, context);
                 if (dataSourceClass != null)
                 {
                     string path = activityBind.Path;
                     int length = path.IndexOfAny(new char[] { '.', '/', '[' });
                     if (length != -1)
                     {
                         path = path.Substring(0, length);
                     }
                     MemberInfo info = FindMatchingMember(path, dataSourceClass, ignoreCase);
                     if (info != null)
                     {
                         Type fromType = null;
                         bool isPrivate = false;
                         if (info is FieldInfo)
                         {
                             isPrivate = ((FieldInfo) info).IsPrivate;
                             fromType = ((FieldInfo) info).FieldType;
                         }
                         else if (info is PropertyInfo)
                         {
                             MethodInfo getMethod = ((PropertyInfo) info).GetGetMethod();
                             MethodInfo setMethod = ((PropertyInfo) info).GetSetMethod();
                             isPrivate = ((getMethod != null) && getMethod.IsPrivate) || ((setMethod != null) && setMethod.IsPrivate);
                         }
                         else if (info is MethodInfo)
                         {
                             isPrivate = ((MethodInfo) info).IsPrivate;
                         }
                         if (length != -1)
                         {
                             PathWalker walker = new PathWalker();
                             PathMemberInfoEventArgs finalEventArgs = null;
                             walker.MemberFound = (EventHandler<PathMemberInfoEventArgs>) Delegate.Combine(walker.MemberFound, delegate (object sender, PathMemberInfoEventArgs eventArgs) {
                                 finalEventArgs = eventArgs;
                             });
                             if (!walker.TryWalkPropertyPath(dataSourceClass, activityBind.Path))
                             {
                                 if (throwOnError)
                                 {
                                     throw new InvalidOperationException(SR.GetString("Error_MemberWithSameNameExists", new object[] { activityBind.Path, dataSourceClass.FullName }));
                                 }
                                 return false;
                             }
                             fromType = BindHelpers.GetMemberType(finalEventArgs.MemberInfo);
                         }
                         if (((info.DeclaringType == dataSourceClass) || !isPrivate) && ((info is FieldInfo) && TypeProvider.IsAssignable(toType, fromType)))
                         {
                             return true;
                         }
                         if (throwOnError)
                         {
                             throw new InvalidOperationException(SR.GetString("Error_MemberWithSameNameExists", new object[] { activityBind.Path, dataSourceClass.FullName }));
                         }
                         return false;
                     }
                     Activity activity2 = null;
                     if (string.Compare(component.Name, path, ignoreCase ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal) == 0)
                     {
                         activity2 = component;
                     }
                     else if ((component is CompositeActivity) && (component is CompositeActivity))
                     {
                         foreach (Activity activity3 in Helpers.GetAllNestedActivities(component as CompositeActivity))
                         {
                             if (string.Compare(activity3.Name, path, ignoreCase ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal) == 0)
                             {
                                 activity2 = activity3;
                             }
                         }
                     }
                     if (activity2 != null)
                     {
                         if (TypeProvider.IsAssignable(toType, activity2.GetType()))
                         {
                             return true;
                         }
                         if (throwOnError)
                         {
                             throw new InvalidOperationException(SR.GetString("Error_MemberWithSameNameExists", new object[] { activityBind.Path, dataSourceClass.FullName }));
                         }
                         return false;
                     }
                     IMemberCreationService service = context.GetService(typeof(IMemberCreationService)) as IMemberCreationService;
                     if (service != null)
                     {
                         IDesignerHost host = context.GetService(typeof(IDesignerHost)) as IDesignerHost;
                         if (host != null)
                         {
                             service.CreateField(host.RootComponentClassName, activityBind.Path, toType, null, MemberAttributes.Public, null, false);
                             return true;
                         }
                         if (throwOnError)
                         {
                             throw new InvalidOperationException(SR.GetString("General_MissingService", new object[] { typeof(IDesignerHost).FullName }));
                         }
                     }
                     else if (throwOnError)
                     {
                         throw new InvalidOperationException(SR.GetString("General_MissingService", new object[] { typeof(IMemberCreationService).FullName }));
                     }
                 }
             }
         }
         else
         {
             if ((component == null) && throwOnError)
             {
                 throw new InvalidOperationException(SR.GetString("Error_InvalidActivityIdentifier", new object[] { activityBind.Name }));
             }
             if ((toType == null) && throwOnError)
             {
                 throw new InvalidOperationException(SR.GetString("Error_PropertyTypeNotDefined", new object[] { context.PropertyDescriptor.Name, typeof(ActivityBind).Name, typeof(IDynamicPropertyTypeProvider).Name }));
             }
         }
     }
     return false;
 }
Exemple #5
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        public override ValidationErrorCollection Validate(ValidationManager manager, object obj)
        {
            ValidationErrorCollection errors = base.Validate(manager, obj);
            ActivityBind bind = obj as ActivityBind;

            if (bind == null)
            {
                throw new ArgumentException(SR.GetString("Error_UnexpectedArgumentType", new object[] { typeof(ActivityBind).FullName }), "obj");
            }
            Activity activity = manager.Context[typeof(Activity)] as Activity;

            if (activity == null)
            {
                throw new InvalidOperationException(SR.GetString("Error_ContextStackItemMissing", new object[] { typeof(Activity).Name }));
            }
            PropertyValidationContext validationContext = manager.Context[typeof(PropertyValidationContext)] as PropertyValidationContext;

            if (validationContext == null)
            {
                throw new InvalidOperationException(SR.GetString("Error_ContextStackItemMissing", new object[] { typeof(BindValidationContext).Name }));
            }
            ValidationError item = null;

            if (string.IsNullOrEmpty(bind.Name))
            {
                item = new ValidationError(SR.GetString("Error_IDNotSetForActivitySource"), 0x613)
                {
                    PropertyName = base.GetFullPropertyName(manager) + ".Name"
                };
                errors.Add(item);
                return(errors);
            }
            Activity refActivity = Helpers.ParseActivityForBind(activity, bind.Name);

            if (refActivity == null)
            {
                if (bind.Name.StartsWith("/"))
                {
                    item = new ValidationError(SR.GetString("Error_CannotResolveRelativeActivity", new object[] { bind.Name }), 0x128);
                }
                else
                {
                    item = new ValidationError(SR.GetString("Error_CannotResolveActivity", new object[] { bind.Name }), 0x129);
                }
                item.PropertyName = base.GetFullPropertyName(manager) + ".Name";
                errors.Add(item);
            }
            if (string.IsNullOrEmpty(bind.Path))
            {
                item = new ValidationError(SR.GetString("Error_PathNotSetForActivitySource"), 0x12b)
                {
                    PropertyName = base.GetFullPropertyName(manager) + ".Path"
                };
                errors.Add(item);
            }
            if ((refActivity != null) && (errors.Count == 0))
            {
                string path       = bind.Path;
                string str2       = string.Empty;
                int    startIndex = path.IndexOfAny(new char[] { '.', '/', '[' });
                if (startIndex != -1)
                {
                    str2 = path.Substring(startIndex);
                    str2 = str2.StartsWith(".") ? str2.Substring(1) : str2;
                    path = path.Substring(0, startIndex);
                }
                Type       baseType   = BindHelpers.GetBaseType(manager, validationContext);
                MemberInfo memberInfo = null;
                Type       srcType    = null;
                if (!string.IsNullOrEmpty(path))
                {
                    srcType = BindValidatorHelper.GetActivityType(manager, refActivity);
                    if (srcType != null)
                    {
                        memberInfo = MemberBind.GetMemberInfo(srcType, path);
                        if ((memberInfo == null) && str2.StartsWith("[", StringComparison.Ordinal))
                        {
                            string str3  = bind.Path.Substring(startIndex);
                            int    index = str3.IndexOf(']');
                            if (index != -1)
                            {
                                string str4 = str3.Substring(0, index + 1);
                                str2 = ((index + 1) < str3.Length) ? str3.Substring(index + 1) : string.Empty;
                                str2 = str2.StartsWith(".") ? str2.Substring(1) : str2;
                                str3 = str4;
                            }
                            path       = path + str3;
                            memberInfo = MemberBind.GetMemberInfo(srcType, path);
                        }
                    }
                }
                Validator validator = null;
                object    obj2      = null;
                if (memberInfo != null)
                {
                    string str5 = !string.IsNullOrEmpty(refActivity.QualifiedName) ? refActivity.QualifiedName : bind.Name;
                    if (memberInfo is FieldInfo)
                    {
                        obj2      = new FieldBind(str5 + "." + path, str2);
                        validator = new FieldBindValidator();
                    }
                    else if (memberInfo is MethodInfo)
                    {
                        if (typeof(Delegate).IsAssignableFrom(baseType))
                        {
                            obj2      = new MethodBind(str5 + "." + path);
                            validator = new MethodBindValidator();
                        }
                        else
                        {
                            item = new ValidationError(SR.GetString("Error_InvalidMemberType", new object[] { path, base.GetFullPropertyName(manager) }), 0x629)
                            {
                                PropertyName = base.GetFullPropertyName(manager)
                            };
                            errors.Add(item);
                        }
                    }
                    else if (memberInfo is PropertyInfo)
                    {
                        if (refActivity == activity)
                        {
                            obj2      = new PropertyBind(str5 + "." + path, str2);
                            validator = new PropertyBindValidator();
                        }
                        else
                        {
                            obj2      = bind;
                            validator = this;
                        }
                    }
                    else if (memberInfo is EventInfo)
                    {
                        obj2      = bind;
                        validator = this;
                    }
                }
                else if (((memberInfo == null) && (baseType != null)) && typeof(Delegate).IsAssignableFrom(baseType))
                {
                    obj2      = bind;
                    validator = this;
                }
                if ((validator != null) && (obj2 != null))
                {
                    if ((validator == this) && (obj2 is ActivityBind))
                    {
                        errors.AddRange(this.ValidateActivityBind(manager, obj2));
                        return(errors);
                    }
                    errors.AddRange(validator.Validate(manager, obj2));
                    return(errors);
                }
                if (item == null)
                {
                    item = new ValidationError(SR.GetString("Error_PathCouldNotBeResolvedToMember", new object[] { bind.Path, !string.IsNullOrEmpty(refActivity.QualifiedName) ? refActivity.QualifiedName : refActivity.GetType().Name }), 0x60d)
                    {
                        PropertyName = base.GetFullPropertyName(manager)
                    };
                    errors.Add(item);
                }
            }
            return(errors);
        }
Exemple #6
0
        private ValidationErrorCollection ValidateActivity(ValidationManager manager, ActivityBind bind, BindValidationContext validationContext)
        {
            ValidationError           item   = null;
            ValidationErrorCollection errors = new ValidationErrorCollection();
            Activity activity = manager.Context[typeof(Activity)] as Activity;

            if (activity == null)
            {
                throw new InvalidOperationException(SR.GetString("Error_ContextStackItemMissing", new object[] { typeof(Activity).Name }));
            }
            Activity request = Helpers.ParseActivityForBind(activity, bind.Name);

            if (request == null)
            {
                item = bind.Name.StartsWith("/", StringComparison.Ordinal) ? new ValidationError(SR.GetString("Error_CannotResolveRelativeActivity", new object[] { bind.Name }), 0x128) : new ValidationError(SR.GetString("Error_CannotResolveActivity", new object[] { bind.Name }), 0x129);
                item.PropertyName = base.GetFullPropertyName(manager) + ".Name";
            }
            else if ((bind.Path == null) || (bind.Path.Length == 0))
            {
                item = new ValidationError(SR.GetString("Error_PathNotSetForActivitySource"), 0x12b)
                {
                    PropertyName = base.GetFullPropertyName(manager) + ".Path"
                };
            }
            else
            {
                if (!bind.Name.StartsWith("/", StringComparison.Ordinal) && !ValidationHelpers.IsActivitySourceInOrder(request, activity))
                {
                    item = new ValidationError(SR.GetString("Error_BindActivityReference", new object[] { request.QualifiedName, activity.QualifiedName }), 0x12a, true)
                    {
                        PropertyName = base.GetFullPropertyName(manager) + ".Name"
                    };
                }
                IDesignerHost          service = manager.GetService(typeof(IDesignerHost)) as IDesignerHost;
                WorkflowDesignerLoader loader  = manager.GetService(typeof(WorkflowDesignerLoader)) as WorkflowDesignerLoader;
                if ((service != null) && (loader != null))
                {
                    Type srcType = null;
                    if (service.RootComponent == request)
                    {
                        ITypeProvider provider = manager.GetService(typeof(ITypeProvider)) as ITypeProvider;
                        if (provider == null)
                        {
                            throw new InvalidOperationException(SR.GetString("General_MissingService", new object[] { typeof(ITypeProvider).FullName }));
                        }
                        srcType = provider.GetType(service.RootComponentClassName);
                    }
                    else
                    {
                        request.GetType();
                    }
                    if (srcType != null)
                    {
                        MemberInfo memberInfo = MemberBind.GetMemberInfo(srcType, bind.Path);
                        if ((memberInfo == null) || ((memberInfo is PropertyInfo) && !(memberInfo as PropertyInfo).CanRead))
                        {
                            item = new ValidationError(SR.GetString("Error_InvalidMemberPath", new object[] { request.QualifiedName, bind.Path }), 300)
                            {
                                PropertyName = base.GetFullPropertyName(manager) + ".Path"
                            };
                        }
                        else
                        {
                            Type memberType = null;
                            if (memberInfo is FieldInfo)
                            {
                                memberType = ((FieldInfo)memberInfo).FieldType;
                            }
                            else if (memberInfo is PropertyInfo)
                            {
                                memberType = ((PropertyInfo)memberInfo).PropertyType;
                            }
                            else if (memberInfo is EventInfo)
                            {
                                memberType = ((EventInfo)memberInfo).EventHandlerType;
                            }
                            if (!DoesTargetTypeMatch(validationContext.TargetType, memberType, validationContext.Access))
                            {
                                if (typeof(WorkflowParameterBinding).IsAssignableFrom(memberInfo.DeclaringType))
                                {
                                    item = new ValidationError(SR.GetString("Warning_ParameterBinding", new object[] { bind.Path, request.QualifiedName, validationContext.TargetType.FullName }), 0x624, true)
                                    {
                                        PropertyName = base.GetFullPropertyName(manager) + ".Path"
                                    };
                                }
                                else
                                {
                                    item = new ValidationError(SR.GetString("Error_TargetTypeMismatch", new object[] { memberInfo.Name, memberType.FullName, validationContext.TargetType.FullName }), 0x12d)
                                    {
                                        PropertyName = base.GetFullPropertyName(manager) + ".Path"
                                    };
                                }
                            }
                        }
                    }
                }
                else
                {
                    MemberInfo info2 = MemberBind.GetMemberInfo(request.GetType(), bind.Path);
                    if ((info2 == null) || ((info2 is PropertyInfo) && !(info2 as PropertyInfo).CanRead))
                    {
                        item = new ValidationError(SR.GetString("Error_InvalidMemberPath", new object[] { request.QualifiedName, bind.Path }), 300)
                        {
                            PropertyName = base.GetFullPropertyName(manager) + ".Path"
                        };
                    }
                    else
                    {
                        DependencyProperty dependencyProperty = DependencyProperty.FromName(info2.Name, info2.DeclaringType);
                        object             obj2 = BindHelpers.ResolveActivityPath(request, bind.Path);
                        if (obj2 == null)
                        {
                            Type fromType = null;
                            if (info2 is FieldInfo)
                            {
                                fromType = ((FieldInfo)info2).FieldType;
                            }
                            else if (info2 is PropertyInfo)
                            {
                                fromType = ((PropertyInfo)info2).PropertyType;
                            }
                            else if (info2 is EventInfo)
                            {
                                fromType = ((EventInfo)info2).EventHandlerType;
                            }
                            if (!TypeProvider.IsAssignable(typeof(ActivityBind), fromType) && !DoesTargetTypeMatch(validationContext.TargetType, fromType, validationContext.Access))
                            {
                                if (typeof(WorkflowParameterBinding).IsAssignableFrom(info2.DeclaringType))
                                {
                                    item = new ValidationError(SR.GetString("Warning_ParameterBinding", new object[] { bind.Path, request.QualifiedName, validationContext.TargetType.FullName }), 0x624, true)
                                    {
                                        PropertyName = base.GetFullPropertyName(manager) + ".Path"
                                    };
                                }
                                else
                                {
                                    item = new ValidationError(SR.GetString("Error_TargetTypeMismatch", new object[] { info2.Name, fromType.FullName, validationContext.TargetType.FullName }), 0x12d)
                                    {
                                        PropertyName = base.GetFullPropertyName(manager) + ".Path"
                                    };
                                }
                            }
                        }
                        else if ((obj2 is ActivityBind) && (request.Parent != null))
                        {
                            ActivityBind         bind2   = obj2 as ActivityBind;
                            bool                 flag    = false;
                            BindRecursionContext context = manager.Context[typeof(BindRecursionContext)] as BindRecursionContext;
                            if (context == null)
                            {
                                context = new BindRecursionContext();
                                manager.Context.Push(context);
                                flag = true;
                            }
                            if (context.Contains(activity, bind))
                            {
                                item = new ValidationError(SR.GetString("Bind_ActivityDataSourceRecursionDetected"), 0x12f)
                                {
                                    PropertyName = base.GetFullPropertyName(manager) + ".Path"
                                };
                            }
                            else
                            {
                                context.Add(activity, bind);
                                PropertyValidationContext propertyValidationContext = null;
                                if (dependencyProperty != null)
                                {
                                    propertyValidationContext = new PropertyValidationContext(request, dependencyProperty);
                                }
                                else
                                {
                                    propertyValidationContext = new PropertyValidationContext(request, info2 as PropertyInfo, info2.Name);
                                }
                                errors.AddRange(ValidationHelpers.ValidateProperty(manager, request, bind2, propertyValidationContext, validationContext));
                            }
                            if (flag)
                            {
                                manager.Context.Pop();
                            }
                        }
                        else if ((validationContext.TargetType != null) && !DoesTargetTypeMatch(validationContext.TargetType, obj2.GetType(), validationContext.Access))
                        {
                            item = new ValidationError(SR.GetString("Error_TargetTypeMismatch", new object[] { info2.Name, obj2.GetType().FullName, validationContext.TargetType.FullName }), 0x12d)
                            {
                                PropertyName = base.GetFullPropertyName(manager) + ".Path"
                            };
                        }
                    }
                }
            }
            if (item != null)
            {
                errors.Add(item);
            }
            return(errors);
        }
        internal static bool CreateField(ITypeDescriptorContext context, ActivityBind activityBind, bool throwOnError)
        {
            //Check if the activity is root activity and has valid design time type
            if (!String.IsNullOrEmpty(activityBind.Path))
            {
                Type     boundType = PropertyDescriptorUtils.GetBaseType(context.PropertyDescriptor, context.Instance, context);
                Activity activity  = PropertyDescriptorUtils.GetComponent(context) as Activity;
                if (activity != null && boundType != null)
                {
                    activity = Helpers.ParseActivityForBind(activity, activityBind.Name);
                    if (activity == Helpers.GetRootActivity(activity))
                    {
                        bool isVB         = (CompilerHelpers.GetSupportedLanguage(context) == SupportedLanguages.VB);
                        Type designedType = Helpers.GetDataSourceClass(activity, context);
                        if (designedType != null)
                        {
                            //field path could be nested too.
                            //need to find field only with the name up to the first dot (CimplexTypeField in the example below)
                            //and the right type (that would be tricky if the field doesnt exist yet)
                            //example: CimplexTypeField.myIDictionary_int_string[10].someOtherGood2

                            string fieldName  = activityBind.Path;
                            int    indexOfDot = fieldName.IndexOfAny(new char[] { '.', '/', '[' });
                            if (indexOfDot != -1)
                            {
                                fieldName = fieldName.Substring(0, indexOfDot); //path is a nested field access
                            }
                            MemberInfo matchingMember = ActivityBindPropertyDescriptor.FindMatchingMember(fieldName, designedType, isVB);
                            if (matchingMember != null)
                            {
                                Type memberType = null;
                                bool isPrivate  = false;
                                if (matchingMember is FieldInfo)
                                {
                                    isPrivate  = ((FieldInfo)matchingMember).IsPrivate;
                                    memberType = ((FieldInfo)matchingMember).FieldType;
                                }
                                else if (matchingMember is PropertyInfo)
                                {
                                    MethodInfo getMethod = ((PropertyInfo)matchingMember).GetGetMethod();
                                    MethodInfo setMethod = ((PropertyInfo)matchingMember).GetSetMethod();
                                    isPrivate = ((getMethod != null && getMethod.IsPrivate) || (setMethod != null && setMethod.IsPrivate));
                                }
                                else if (matchingMember is MethodInfo)
                                {
                                    isPrivate = ((MethodInfo)matchingMember).IsPrivate;
                                }

                                if (indexOfDot != -1)
                                { //need to find the type of the member the path references (and if the path is valid at all)
                                    PathWalker pathWalker = new PathWalker();
                                    PathMemberInfoEventArgs finalEventArgs = null;
                                    pathWalker.MemberFound += delegate(object sender, PathMemberInfoEventArgs eventArgs)
                                    { finalEventArgs = eventArgs; };

                                    if (pathWalker.TryWalkPropertyPath(designedType, activityBind.Path))
                                    {
                                        //successfully walked the entire path
                                        memberType = BindHelpers.GetMemberType(finalEventArgs.MemberInfo);
                                    }
                                    else
                                    {
                                        //the path is invalid
                                        if (throwOnError)
                                        {
                                            throw new InvalidOperationException(SR.GetString(SR.Error_MemberWithSameNameExists, activityBind.Path, designedType.FullName));
                                        }

                                        return(false);
                                    }
                                }

                                if ((matchingMember.DeclaringType == designedType || !isPrivate) &&
                                    matchingMember is FieldInfo &&
                                    TypeProvider.IsAssignable(boundType, memberType))
                                {
                                    return(true);
                                }
                                else
                                {
                                    if (throwOnError)
                                    {
                                        throw new InvalidOperationException(SR.GetString(SR.Error_MemberWithSameNameExists, activityBind.Path, designedType.FullName));
                                    }
                                    return(false);
                                }
                            }
                            else
                            {
                                // Find out if the name conflicts with an existing activity that has not be flushed in to the
                                // code beside.  An activity bind can bind to this field only if the type of the property
                                // is the assignable from the activity type.
                                Activity matchingActivity = null;
                                if (string.Compare(activity.Name, fieldName, isVB ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal) == 0)
                                {
                                    matchingActivity = activity;
                                }
                                else if (activity is CompositeActivity)
                                {
                                    if (activity is CompositeActivity)
                                    {
                                        foreach (Activity existingActivity in Helpers.GetAllNestedActivities(activity as CompositeActivity))
                                        {
                                            if (string.Compare(existingActivity.Name, fieldName, isVB ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal) == 0)
                                            {
                                                matchingActivity = existingActivity;
                                            }
                                        }
                                    }
                                }

                                if (matchingActivity != null)
                                {
                                    if (TypeProvider.IsAssignable(boundType, matchingActivity.GetType()))
                                    {
                                        return(true);
                                    }
                                    else
                                    {
                                        if (throwOnError)
                                        {
                                            throw new InvalidOperationException(SR.GetString(SR.Error_MemberWithSameNameExists, activityBind.Path, designedType.FullName));
                                        }
                                        return(false);
                                    }
                                }
                            }

                            IMemberCreationService memberCreationService = context.GetService(typeof(IMemberCreationService)) as IMemberCreationService;
                            if (memberCreationService == null)
                            {
                                if (throwOnError)
                                {
                                    throw new InvalidOperationException(SR.GetString(SR.General_MissingService, typeof(IMemberCreationService).FullName));
                                }
                            }
                            else
                            {
                                IDesignerHost designerHost = context.GetService(typeof(IDesignerHost)) as IDesignerHost;
                                if (designerHost == null)
                                {
                                    if (throwOnError)
                                    {
                                        throw new InvalidOperationException(SR.GetString("General_MissingService", typeof(IDesignerHost).FullName));
                                    }
                                }
                                else
                                {
                                    memberCreationService.CreateField(designerHost.RootComponentClassName, activityBind.Path, boundType, null, MemberAttributes.Public, null, false);
                                    return(true);
                                }
                            }
                        }
                    }
                }
                else
                {
                    if (activity == null && throwOnError)
                    {
                        throw new InvalidOperationException(SR.GetString(SR.Error_InvalidActivityIdentifier, activityBind.Name));
                    }

                    if (boundType == null && throwOnError)
                    {
                        throw new InvalidOperationException(SR.GetString(SR.Error_PropertyTypeNotDefined, context.PropertyDescriptor.Name, typeof(ActivityBind).Name, typeof(IDynamicPropertyTypeProvider).Name));
                    }
                }
            }

            return(false);
        }