예제 #1
0
        /// <summary>
        /// Registers an attached <see cref="AvaloniaProperty"/>.
        /// </summary>
        /// <typeparam name="TOwner">The type of the class that is registering the property.</typeparam>
        /// <typeparam name="THost">The type of the class that the property is to be registered on.</typeparam>
        /// <typeparam name="TValue">The type of the property's value.</typeparam>
        /// <param name="name">The name of the property.</param>
        /// <param name="defaultValue">The default value of the property.</param>
        /// <param name="inherits">Whether the property inherits its value.</param>
        /// <param name="defaultBindingMode">The default binding mode for the property.</param>
        /// <param name="validate">A validation function.</param>
        /// <returns>A <see cref="AvaloniaProperty{TValue}"/></returns>
        public static AttachedProperty <TValue> RegisterAttached <TOwner, THost, TValue>(
            string name,
            TValue defaultValue                   = default(TValue),
            bool inherits                         = false,
            BindingMode defaultBindingMode        = BindingMode.OneWay,
            Func <THost, TValue, TValue> validate = null)
            where THost : IAvaloniaObject
        {
            Contract.Requires <ArgumentNullException>(name != null);

            var metadata = new StyledPropertyMetadata <TValue>(
                defaultValue,
                validate: Cast(validate),
                defaultBindingMode: defaultBindingMode);

            var result   = new AttachedProperty <TValue>(name, typeof(TOwner), metadata, inherits);
            var registry = AvaloniaPropertyRegistry.Instance;

            registry.Register(typeof(TOwner), result);
            registry.RegisterAttached(typeof(THost), result);
            return(result);
        }
예제 #2
0
 /// <summary>
 /// Overrides the metadata for the property on the specified type.
 /// </summary>
 /// <typeparam name="T">The type.</typeparam>
 /// <param name="metadata">The metadata.</param>
 public void OverrideMetadata <T>(StyledPropertyMetadata <TValue> metadata) where T : IAvaloniaObject
 {
     base.OverrideMetadata(typeof(T), metadata);
 }
 /// <summary>
 /// Overrides the metadata for the property on the specified type.
 /// </summary>
 /// <param name="type">The type.</param>
 /// <param name="metadata">The metadata.</param>
 public void OverrideMetadata(Type type, StyledPropertyMetadata <TValue> metadata)
 {
     base.OverrideMetadata(type, metadata);
 }