| Name | Description | |
|---|---|---|
 | GetPaletteColor | Gets the closest palette color of specified color. |
| GetThemeColor | Gets the color of the theme. |
| Open | Overloaded. Open an existing file. |
| Save | Overloaded. Save the workbook to stream, it will use the specified file type as the file format, the file will be encrypt if the password is not null. |