예제 #1
0
        private static DependencyProperty RegisterCommon(string name, Type propertyType, Type ownerType, PropertyMetadata defaultMetadata, ValidateValueCallback validateValueCallback)
        {
            FromNameKey key = new FromNameKey(name, ownerType);

            lock (Synchronized) {
                if (PropertyFromName.Contains(key))
                {
                    throw new ArgumentException(SR.Get("PropertyAlreadyRegistered", name, ownerType.Name));
                }
            }
            if (defaultMetadata == null)
            {
                defaultMetadata = AutoGeneratePropertyMetadata(propertyType, validateValueCallback, name, ownerType);
            }
            else
            {
                if (!defaultMetadata.DefaultValueWasSet())
                {
                    defaultMetadata.DefaultValue = AutoGenerateDefaultValue(propertyType);
                }
                ValidateMetadataDefaultValue(defaultMetadata, propertyType, name, validateValueCallback);
            }
            DependencyProperty dependencyProperty = new DependencyProperty(name, propertyType, ownerType, defaultMetadata, validateValueCallback);

            defaultMetadata.Seal(dependencyProperty, null);
            if (defaultMetadata.IsInherited)
            {
                dependencyProperty._packedData |= Flags.IsPotentiallyInherited;
            }
            if (defaultMetadata.UsingDefaultValueFactory)
            {
                dependencyProperty._packedData |= Flags.IsPotentiallyUsingDefaultValueFactory;
            }
            lock (Synchronized) {
                PropertyFromName[key] = dependencyProperty;
            }
            if (TraceDependencyProperty.IsEnabled)
            {
                TraceDependencyProperty.TraceActivityItem(TraceDependencyProperty.Register, dependencyProperty, dependencyProperty.OwnerType);
            }
            return(dependencyProperty);
        }
예제 #2
0
        private static DependencyProperty RegisterCommon(string name, Type propertyType, Type ownerType, PropertyMetadata defaultMetadata, ValidateValueCallback validateValueCallback)
        {
            FromNameKey key = new FromNameKey(name, ownerType);

            lock (Synchronized)
            {
                if (PropertyFromName.Contains(key))
                {
                    throw new ArgumentException(SR.Format(SR.PropertyAlreadyRegistered, name, ownerType.Name));
                }
            }

            // Establish default metadata for all types, if none is provided
            if (defaultMetadata == null)
            {
                defaultMetadata = AutoGeneratePropertyMetadata(propertyType, validateValueCallback, name, ownerType);
            }
            else // Metadata object is provided.
            {
                // If the defaultValue wasn't specified auto generate one
                if (!defaultMetadata.DefaultValueWasSet())
                {
                    defaultMetadata.DefaultValue = AutoGenerateDefaultValue(propertyType);
                }

                ValidateMetadataDefaultValue(defaultMetadata, propertyType, name, validateValueCallback);
            }

            // Create property
            DependencyProperty dp = new DependencyProperty(name, propertyType, ownerType, defaultMetadata, validateValueCallback);

            // Seal (null means being used for default metadata, calls OnApply)
            defaultMetadata.Seal(dp, null);

            if (defaultMetadata.IsInherited)
            {
                dp._packedData |= Flags.IsPotentiallyInherited;
            }

            if (defaultMetadata.UsingDefaultValueFactory)
            {
                dp._packedData |= Flags.IsPotentiallyUsingDefaultValueFactory;
            }


            // Map owner type to this property
            // Build key
            lock (Synchronized)
            {
                PropertyFromName[key] = dp;
            }


            if (TraceDependencyProperty.IsEnabled)
            {
                TraceDependencyProperty.TraceActivityItem(
                    TraceDependencyProperty.Register,
                    dp,
                    dp.OwnerType);
            }


            return(dp);
        }