/// <summary>
/// Gets the submenu from the collection with the specified text, optionally creating one if not found.
/// </summary>
/// <returns>The submenu instance if found, or a new submenu instance added at the specified order.</returns>
/// <param name="submenuText">Text of the submenu to find or add.</param>
/// <param name="order">Order of the submenu item to add. Not used if there is already a submenu with the specified text.</param>
/// <param name="plaintextMatch">If set to <c>true</c>, matches excluding any mnemonic symbol idenfifiers.</param>
/// <param name="create">If set to <c>true</c>, creates the menu if it doesn't exist in the collection, otherwise <c>false</c>.</param>
public ButtonMenuItem GetSubmenu(string submenuText, int order = 0, bool plaintextMatch = true, bool create = true)
{
if (string.IsNullOrEmpty(submenuText))
{
throw new ArgumentOutOfRangeException(nameof(submenuText), "submenuText must be a non null, non-empty value");
}
// replace accelerators if plaintextMatch is true
string convert(string s) => plaintextMatch?s?.Replace("&", "") : s;
var matchText = convert(submenuText);
bool match(MenuItem r) => convert(r.Text) == matchText;
var submenu = this.OfType <ButtonMenuItem>().FirstOrDefault(match);
if (submenu == null && create)
{
submenu = new SubMenuItem {
Text = submenuText, Order = order, Trim = true
};
Add(submenu);
}
return(submenu);
}
/// <summary>
/// Raises the <see cref="Closing"/> event.
/// </summary>
public void OnClosing(SubMenuItem widget, EventArgs e)
{
using (widget.Platform.Context)
widget.OnClosing(e);
}
