/// <summary>
/// Tracks the command.
/// </summary>
/// <param name="items">The items.</param>
/// <param name="command">The command.</param>
public static void BindCommand(this ToolStripItemCollection items, Command command)
{
foreach (var item in items.OfType <ToolStripMenuItem>())
{
new ToolStripMenuItemHandler(item, command);
}
}
private static void TrackItemsState(ToolStripItemCollection items)
{
foreach (var item in items.OfType <ToolStripDropDownItem>())
{
item.DropDownOpening += DropDownDropDownOpening;
}
}
public static void UpdateCheckedState(ToolStripItemCollection items, Enum value)
{
foreach (EnumToolStripMenuItem item in items.OfType <EnumToolStripMenuItem>())
{
item.UpdateCheckedState(value);
}
}
/// <summary>
/// Finds all contained <see cref="ToolStripItem"/>s recursively.
/// </summary>
/// <param name="inCollection">The collection whose contents are sought.</param>
/// <returns>A list of controls.</returns>
public static IEnumerable <ToolStripItem> GetAllChildren(this ToolStripItemCollection inCollection)
{
var children = inCollection.OfType <ToolStripItem>();
return(children.OfType <ToolStripDropDownItem>()
.SelectMany(dropDownItem => dropDownItem.DropDownItems.GetAllChildren())
.Concat(children));
}
private void CloseDropDowns(ToolStripItemCollection menuItems)
{
foreach (ToolStripDropDownItem dropDownItem in menuItems.OfType <ToolStripDropDownItem>())
{
dropDownItem.HideDropDown();
CloseDropDowns(dropDownItem.DropDownItems);
}
}
/// <summary>
/// Recusively retrieves all menu items from the input collection
/// </summary>
public static IEnumerable <ToolStripMenuItem> GetAllMenuItems(this ToolStripItemCollection items)
{
var allItems = new List <ToolStripMenuItem>();
foreach (var item in items.OfType <ToolStripMenuItem>())
{
allItems.Add(item);
allItems.AddRange(GetAllMenuItems(item.DropDownItems));
}
return(allItems);
}
private ToolStripMenuItem LookupParentMenuForTag(ToolStripItemCollection items, Guid?id)
{
if (!id.HasValue)
{
return(null);
}
var result = items.OfType <ToolStripMenuItem>()
.FirstOrDefault(t => t.Tag is Guid && (Guid)t.Tag == id.Value);
return(result);
}
private static void InvalidateEnabled(ToolStripItemCollection items)
{
foreach (var item in items.OfType <ToolStripItem>())
{
var binding = GetBinding(item);
if (binding == null || binding.Command == null)
{
continue;
}
var parameter = binding.ParameterSource == null ? item.Tag : binding.ParameterSource();
item.Enabled = binding.Command.CanExecute(parameter, item);
}
}
public static void DisposeItems(this ToolStripItemCollection items)
{
foreach (IDisposable disposable in items.OfType <IDisposable>().ToArray())
{
if (disposable is ToolStripMenuItem menuItem)
{
menuItem.DropDownItems.DisposeItems();
}
if (disposable is ToolStripItem item && item.Tag is ToolStripItemTag tag && tag.ClickEventHandler != null)
{
item.Click -= tag.ClickEventHandler;
}
disposable.Dispose();
}
}
private ToolStripMenuItem GetMenuItem(ToolStripItemCollection collection, string name)
{
return(collection.OfType <ToolStripMenuItem>().FirstOrDefault(item => item.Text.Replace("&", "") == name));
}
public static IEnumerable <Controls.ToolStripHintMenuItem> FlattenMenu(this ToolStripItemCollection coll)
{
return(coll.OfType <Controls.ToolStripHintMenuItem>().Concat(coll.OfType <Controls.ToolStripHintMenuItem>().SelectMany(x => FlattenMenu(x.DropDownItems))));
}