## Classes

| Class | Description |
| --- | --- |
| [BeforePageSavingEventHandler](./beforepagesavingeventhandler/) | The base class for before-page-saving event handlers. |
| [BeforeSavingEventArgs](./beforesavingeventargs/) | Defines the base class for arguments of various before-saving events. |
| [IBeforeSavingEventHandler](./ibeforesavingeventhandler/) | Defines the common before-saving event handler interface. |
| [IModificationAPI](./imodificationapi/) | The basic interface for any [XPS](../aspose.page.xps/) element's modification API. |
| [PageAPI](./pageapi/) | The **[Page](../aspose.page/)** element modification API. |