# CollectionSplitType Enum

> Specifies the split orientation for a PDF collection (portfolio) view.

- Product: Adobe PDF Library 21
- Language: Java
- Version: APDFL21.0.0PlusP1f
- HTML page: https://docs.datalogics.com/apdfl21/Java/APDFL21.0.0PlusP1f/enum/CollectionSplitType
- Version index: https://docs.datalogics.com/apdfl21/Java/APDFL21.0.0PlusP1f/llms.txt

**Namespace:** `com::datalogics::PDFL`

## Description

Specifies the split orientation for a PDF collection (portfolio) view. Controls how the navigator and preview panes are arranged when displaying a PDF collection.

## Values

- `SPLIT_DEFAULT`: Default split based on view.
- `SPLIT_HORIZONTAL`: Split vertical.
- `SPLIT_NONE`: No split; show the navigator.
- `SPLIT_PREVIEW`: No split; show the preview.
- `SPLIT_VERTICAL`: Split horizontal.