取得数值，指示设计工具主应用程序目前是否在异动中。
Gets a value indicating whether the designer host is currently loading the document.
从工具箱取得与指定的设计工具主应用程序相关联的工具箱项目集合。
Gets the collection of toolbox items that are associated with the specified designer host from the toolbox.
移除与指定资料格式和指定设计工具主应用程序相关联的先前加入的工具箱建立者。
Removes a previously added toolbox creator that is associated with the specified data format and the specified designer host.
应用推荐