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ImportFormatMode Enumeration
Specifies how formatting is merged when importing content from another document.

Namespace: Aspose.Words
Assembly: Aspose.Words (in Aspose.Words.dll) Version: 19.11
public enum ImportFormatMode
  Member nameValueDescription
UseDestinationStyles0 Use the destination document styles and copy new styles. This is the default option.
KeepSourceFormatting1 Copy all required styles to the destination document, generate unique style names if needed.
KeepDifferentStyles2 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:

  1. Built-in styles are matched using their locale independent style identifier. User defined styles are matched using case-sensitive style name.
  2. If a matching style is not found in the destination document, the style (and all styles referenced by it) are copied into the destination document and the imported nodes are updated to reference the new style.
  3. If a matching style already exists in the destination document, what happens depends on the importFormatMode parameter passed to Document.ImportNode as described below.

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.

Shows how to insert a document content into another document keep formatting of inserted document.
Document doc = new Document(MyDir + "Document.docx");

DocumentBuilder builder = new DocumentBuilder(doc);

Document docToInsert = new Document(MyDir + "DocumentBuilder.KeepSourceFormatting.docx");

builder.InsertDocument(docToInsert, ImportFormatMode.KeepSourceFormatting);
builder.Document.Save(ArtifactsDir + "DocumentBuilder.InsertDocument.docx");
See Also