# CollectionSplitType Enum

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

- Product: Adobe PDF Library 21
- Language: .NET Framework
- Version: APDFL21.0.0PlusP1e
- HTML page: https://docs.datalogics.com/apdfl21/DotNetFramework/APDFL21.0.0PlusP1e/enum/CollectionSplitType
- Version index: https://docs.datalogics.com/apdfl21/DotNetFramework/APDFL21.0.0PlusP1e/llms.txt

**Namespace:** `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

- `SplitDefault = 8192`: Default split based on view.
- `SplitHorizontal = 8193`: Split vertical.
- `SplitVertical = 8194`: Split horizontal.
- `SplitNone = 8195`: No split; show the navigator.
- `SplitPreview = 8196`: No split; show the preview.