C# Commands.Command類代碼示例

		internal CommandInfo (Command cmd)
		{
			text = cmd.Text;
			icon = cmd.Icon;
			accelKey = cmd.AccelKey;
			description = cmd.Description;
		}

 public CommandResult(Command cmd, CommandInfo ci, CommandTargetRoute route, string match, string matchedString, int rank)
     : base(match, matchedString, rank)
 {
     this.ci = ci;
     command = cmd;
     this.route = route;
 }

		public virtual Command GetCommand (CommandManager manager)
		{
			if (localCmd != null) {
				if (manager.GetCommand (localCmd.Id) == null)
					manager.RegisterCommand (localCmd);
				localCmd = null;
			}
				
			return manager.GetCommand (cmdId);
		}

		public KeyBindingChangedEventArgs (Command command, KeyBinding oldKeyBinding)
		{
			OldKeyBinding = oldKeyBinding;
			Command = command;
		}

		public KeyBindingChangedEventArgs (Command command, string oldBinding)
		{
			this.command = command;
			this.binding = oldBinding;
		}

		public void Run (object target, Command cmd, object data)
		{
			MethodInfo mi = (MethodInfo) cmd.HandlerData;
			if (mi != null)
				mi.Invoke (target, new object[] {data} );
		}

		internal static string GetCommandKey (Command cmd)
		{
			if (cmd.Id is Enum)
				return cmd.Id.GetType () + "." + cmd.Id;
			else
				return cmd.Id.ToString ();
		}

		static Gtk.MenuItem CreateMenuItem (CommandManager manager, Command cmd, object cmdId, bool isArrayMaster, string overrideLabel, bool disabledVisible)
		{
			cmdId = CommandManager.ToCommandId (cmdId);
			if (cmdId == CommandManager.ToCommandId (Command.Separator))
				return new Gtk.SeparatorMenuItem ();
			
			if (cmd == null)
				cmd = manager.GetCommand (cmdId);

			if (cmd == null) {
				MonoDevelop.Core.LoggingService.LogWarning ("Unknown command '{0}'", cmdId);
				return new Gtk.MenuItem ("<Unknown Command>");
			}
			
			if (cmd is CustomCommand) {
				Gtk.Widget child = (Gtk.Widget) Activator.CreateInstance (((CustomCommand)cmd).WidgetType);
				CustomMenuItem ti = new CustomMenuItem ();
				ti.Child = child;
				return ti;
			}
			
			ActionCommand acmd = cmd as ActionCommand;
			if (acmd.ActionType == ActionType.Normal || (isArrayMaster && acmd.CommandArray))
				return new CommandMenuItem (cmdId, manager, overrideLabel, disabledVisible);
			else
				return new CommandCheckMenuItem (cmdId, manager, overrideLabel, disabledVisible);
		}	

		public void Add (Command cmd)
		{
			cmds.Add (new CommandEntry (cmd));
		}

		bool GetSelectedCommandIter (out TreeIter iter, out Command cmd)
		{
			TreeSelection sel = keyTreeView.Selection;
			if (!sel.GetSelected (out iter)) {
				cmd = null;
				return false;
			}
			
			cmd = (Command)filterModel.GetValue (iter, commandCol);
			if (cmd == null)
				return false;
			
			if (keyStore.GetIterFirst (out iter) && FindIterForCommand (cmd, iter, out iter))
				return true;
			
			throw new Exception ("Did not find command in underlying model");
		}

		protected virtual void Run (object target, Command cmd)
		{
			next.Run (target, cmd);
		}

            internal SearchResult CheckCommand(Command c, CommandTargetRoute route)
            {
                ActionCommand cmd = c as ActionCommand;
                if (cmd == null || cmd.CommandArray)
                    return null;

                int rank;
                string matchString = cmd.Text.Replace ("_", "");
                if (MatchName (matchString, out rank)) {
                    try {
                        var ci = IdeApp.CommandService.GetCommandInfo (cmd.Id, route);
                        if (ci.Enabled && ci.Visible)
                            return new CommandResult (cmd, ci, route, pattern, matchString, rank);
                    } catch (Exception 	ex) {
                        LoggingService.LogError ("Failure while checking command: " + cmd.Id, ex);
                    }
                }
                return null;
            }

		void ICommandTargetHandler.Run (object target, Command cmd)
		{
			Run (target, cmd);
		}

			protected override void Run (object target, Command cmd)
			{
				NodeCommandHandler nch = (NodeCommandHandler) target;
				if (nch.tree == null) {
					base.Run (target, cmd);
					return;
				}
				try {
					nch.tree.LockUpdates ();
					base.Run (target, cmd);
				} finally {
					nch.tree.UnlockUpdates ();
				}
			}

			public KeyBindingSelectedEventArgs (IEnumerable<string> keys, int selectedKey, Command command, TreeIter iter)
			{
				if (command == null)
					throw new ArgumentNullException (nameof (command));
				AllKeys = new List<string> (keys);
				if (selectedKey < 0 || ((selectedKey != 0 && AllKeys.Count != 0) && selectedKey >= AllKeys.Count))
					throw new ArgumentOutOfRangeException (nameof (selectedKey));
				SelectedKey =  selectedKey;
				Command = command;
				Iter = iter;
			}