C# (CSharp) ShellAPI.EnableMenuItem示例

示例#1

        public static void DisableMenuItems(IntPtr menu, IContextMenu contextMenu, string[] disabledCommands, DisabledMethods method)
        {
            if (disabledCommands == null || disabledCommands.Length == 0)
            {
                return;
            }

            foreach (int cmdID in GetMenuItemID(menu, contextMenu, disabledCommands, MenuIDTypes.CommadID))
            {
                if (cmdID != -1)
                {
                    switch (method)
                    {
                    case DisabledMethods.Remove:
                        ShellAPI.RemoveMenu(menu, (uint)cmdID, ShellAPI.MFT.BYCOMMAND);
                        break;

                    case DisabledMethods.Gray:
                        ShellAPI.EnableMenuItem(menu, (uint)cmdID, ShellAPI.MF_GRAYED);
                        break;

                    case DisabledMethods.Disable:
                        ShellAPI.EnableMenuItem(menu, (uint)cmdID, ShellAPI.MF_DISABLED);
                        break;
                    }
                }
            }
        }