Interface, which must be implemented by the end-user for saving all the external HTML resources. This property must not be null, otherwise the GroupDocs.Editor will throw an exception while saving EditableDocument to HTML format.
publicIHtmlSavingCallbackSavingCallback{get;set;}
Remarks
If the value of EmbedStylesheetsIntoMarkup property is set to true, all the stylesheets will be embedded to the HTML markup and thus they will not be passed to this saving callback