Ejemplo n.º 1
0
        protected override FrameworkElement CreateControlCore()
        {
            FrameworkElement generatedResult = null;

            var groupName = this.CommandMetaGroup.Name.Translate();

            //尝试查找已经生成的该组的按钮
            var splitButton = this.Context.ContainerItems.OfType<SplitButton>()
                .FirstOrDefault(btnGroup => btnGroup.Content.Equals(groupName));

            //还没有生成,则创建一个新的。
            if (splitButton == null)
            {
                splitButton = new SplitButton()
                {
                    Mode = SplitButtonMode.Dropdown,
                    Margin = new Thickness(2),
                    Content = groupName,
                };

                //只返回刚生成的 SplitButton
                generatedResult = splitButton;
            }

            this.GenerateButtons(splitButton.Items);

            return generatedResult;
        }
Ejemplo n.º 2
0
        /*
         * DependencyPropertyChanged callbacks
         *
         */

        private static void OnIsContextMenuOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            SplitButton s = (SplitButton)d;

            s.EnsureContextMenuIsValid();

            if (!s.ContextMenu.HasItems)
            {
                return;
            }

            bool value = (bool)e.NewValue;

            if (value && !s.ContextMenu.IsOpen)
            {
                s.ContextMenu.IsOpen = true;
            }
            else if (!value && s.ContextMenu.IsOpen)
            {
                s.ContextMenu.IsOpen = false;
            }
        }