コード例 #1
0
        /// <summary>
        /// Sets the automatic scroll.
        /// </summary>
        /// <param name="instance">The instance.</param>
        /// <param name="value">Value to set for Automatic scroll.</param>
        public static void SetAutoScroll(System.Windows.Controls.ListBox instance, bool value)
        {
            AutoScrollHandler oldHandler = (AutoScrollHandler)instance.GetValue(AutoScrollHandlerProperty);

            if (oldHandler != null)
            {
                oldHandler.Dispose();
                instance.SetValue(AutoScrollHandlerProperty, null);
            }

            instance.SetValue(AutoScrollProperty, value);
            if (value)
            {
                instance.SetValue(AutoScrollHandlerProperty, new AutoScrollHandler(instance));
            }
        }
コード例 #2
0
        /// <summary>
        /// Sets the automatic scroll.
        /// </summary>
        /// <param name="instance">The instance.</param>
        /// <param name="value">Value to set for Automatic scroll.</param>
        public static void SetAutoScroll(Controls.ListBox instance, bool value)
        {
            if (instance is null)
            {
                throw new ArgumentNullException(nameof(instance));
            }

            AutoScrollHandler oldHandler = (AutoScrollHandler)instance.GetValue(AutoScrollHandlerProperty);

            if (oldHandler != null)
            {
                oldHandler.Dispose();
                instance.SetValue(AutoScrollHandlerProperty, null);
            }

            instance.SetValue(AutoScrollProperty, value);
            if (value)
            {
                instance.SetValue(AutoScrollHandlerProperty, new AutoScrollHandler(instance));
            }
        }