|0||Use the destination document styles and copy new styles. This is the default option.|
|1||Copy all required styles to the destination document, generate unique style names if needed.|
|2||Only copy styles that are different from those in the source document.|
When you copy nodes from one document to another, this option specifies how formatting is resolved when both documents have a style with the same name, but different formatting.
The formatting is resolved as follows:
When using the UseDestinationStyles option, if a matching style already exists in the destination document, the style is not copied and the imported nodes are updated to reference the existing style.
The drawback of using UseDestinationStyles is that the imported text might look different in the destination document comparing to the source document. For example, the "Heading 1" style in the source document uses Arial 16pt font and the "Heading 1" style in the destination document uses Times New Roman 14pt font. When importing text of "Heading 1" style with no other direct formatting, it will appear as Times New Roman 14pt font in the destination document.
Using the KeepSourceFormatting option allows to make sure the imported text looks in the destination document exactly like it was in the source document. If a matching style already exists in the destination document, the source style is copied and given a unique name by appending a suffix number to it, for example "Normal_0" or "Heading 1_5".
The drawback of using KeepSourceFormatting is that if you perform several imports, you could end up with many styles in the destination document and that could make using consistent style formatting in Microsoft Word difficult for this document.
Using KeepDifferentStyles option allows to reuse destination styles if the formatting they provide is identical to the styles in the source document. If the style in destination document is different from the source then it is imported.
Document doc = new Document(MyDir + "Document.docx"); DocumentBuilder builder = new DocumentBuilder(doc); builder.MoveToDocumentEnd(); builder.InsertBreak(BreakType.PageBreak); Document docToInsert = new Document(MyDir + "DocumentBuilder.KeepSourceFormatting.docx"); builder.InsertDocument(docToInsert, ImportFormatMode.KeepSourceFormatting); builder.Document.Save(ArtifactsDir + "DocumentBuilder.InsertDocument.docx");