Ejemplo n.º 1
0
        /// <summary>
        ///     Sets the value of the property with provided property metadata.
        /// </summary>
        /// <typeparam name="T">The public type of this property.</typeparam>
        public void Set <T>(PropertyBagMetadata metadata, T value)
        {
            // In order to set a property in the property bag
            // we need to convert the value to the destination type
            var previousValue = Get(metadata);
            var newValue      = previousValue == null
                               ? value
                               : Convert.ChangeType(value, previousValue.GetType());

            // Set the property
            Write(1, new[] { metadata }, new[] { new Variant {
                                                     Value = newValue
                                                 } });
        }
Ejemplo n.º 2
0
        /// <summary>
        ///     Gets the value of the property with provided property metadata.
        /// </summary>
        /// <returns>Value of the property</returns>
        public object Get(PropertyBagMetadata metadata)
        {
            var value = new Variant[1];
            var error = new Result[1];

            // Gets the property
            Read(1, new[] { metadata }, null, value, error);
            if (error[0].Failure)
            {
                throw new InvalidOperationException(
                          string.Format(
                              CultureInfo.InvariantCulture, "Property with name [{0}] is not valid for this instance",
                              metadata.Name
                              )
                          );
            }

            return(value[0].Value);
        }
Ejemplo n.º 3
0
 /// <summary>
 ///     Gets the value of the property with provided property metadata.
 /// </summary>
 /// <typeparam name="T">The public type of this property.</typeparam>
 /// <returns>Value of the property</returns>
 public T Get <T>(PropertyBagMetadata metadata) => (T)Convert.ChangeType(Get(metadata), typeof(T));