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# PDFStandardLayoutWritingMode

Namespace: O2S.Components.PDF4NET.LogicalStructure

Specifies the available values for PDFStandardLayoutAttribute.WritingMode property.

    public enum PDFStandardLayoutWritingMode

Inheritance Object → ValueType → Enum → PDFStandardLayoutWritingMode
Implements

## Fields

Name | Value | Description
--- | --- | ---
LeftToRightTopToBottom | 0 | Inline progression from left to right; block progression from top to bottom. This is the typical writing mode for Western writing systems.
RightToLeftTopToBottom | 1 | Inline progression from right to left; block progression from top to bottom. This is the typical writing mode for Arabic and Hebrew writing systems.
TopToBottomLeftToRight | 2 | Inline progression from top to bottom; block progression from right to left. This is the typical writing mode for Chinese and Japanese writing systems.
TopToBottomRightToLeft | 3 | Inline progression from top to bottom; block progression from left to right. This is the typical writing mode for writing systems like classical Mongolian.
LeftToRightBottomToTop | 4 | Inline progression from left to right; block progression from bottom to top. There is currently no known writing system to which this writing mode applies.
RightToLeftBottomToTop | 5 | Inline progression from right to left; block progression from bottom to top. There is currently no known writing system to which this writing mode applies.
BottomToTopRightToLeft | 6 | Inline progression from bottom to top; block progression from right to left. This is the typical writing mode for the Ancient Berber writing system.
BottomToTopLeftToRight | 7 | Inline progression from bottom to top; block progression from left to right. This is the typical writing mode for the Batak writing system.