# CollectionSplitType Enum

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

- Product: Adobe PDF Library 21
- Language: Modern C++
- Version: 21.4.0
- HTML page: https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/enum/CollectionSplitType
- Version index: https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/llms.txt

**Namespace:** `datalogics_interface`

## 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

- `Default = 0x2000`: Default split.
- `Horizontal = 0x2001`: Split horizontally.
- `Vertical = 0x2002`: Split vertically.
- `None = 0x2003`: No split, show navigator.
- `Preview = 0x2004`: No split, show preview.