ToolStripMenuItem IUIMenuTreeVisitor <ToolStripMenuItem> .VisitElement(UIMenuNode.Element element)
{
if (element.TextProvider == null && element.IconProvider == null)
{
return(null);
}
UIActionState currentActionState = ActionHandler.TryPerformAction(element.Action, false);
if (!currentActionState.Visible)
{
return(null);
}
var menuItem = UIActionToolStripMenuItem.CreateFrom(element);
menuItem.Update(currentActionState);
var actionHandler = ActionHandler;
menuItem.Click += (_, __) =>
{
try
{
actionHandler.TryPerformAction(element.Action, true);
}
catch (Exception exc)
{
MessageBox.Show(exc.Message);
}
};
return(menuItem);
}
/// <summary>
/// Creates a new menu item with the caption and icon from the menu node.
/// </summary>
/// <param name="element">
/// The <see cref="UIMenuNode.Element"/> to initialize from.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="element"/> is null.
/// </exception>
public static UIActionToolStripMenuItem CreateFrom(UIMenuNode.Element element)
{
if (element == null)
{
throw new ArgumentNullException(nameof(element));
}
return(new UIActionToolStripMenuItem(element));
}
private UIActionToolStripMenuItem(UIMenuNode.Element element)
: base(element.TextProvider,
element.IconProvider,
element.ShortcutKeyDisplayTextProviders,
element.OpensDialog)
{
Action = element.Action;
}
