Arrow_HeadSize Property

CDXML Name:HeadSize
CDX Constant Name:kCDXProp_Arrow_HeadSize
CDX Constant Value:0x0A20
Data Size:INT16
Property of objects:kCDXObj_Graphic
First written/read in:ChemDraw 4.0


The size of the arrow's head.

The arrow head size is stored as a percentage of the arrow's kCDXProp_LineWid. A value of 1000 indicates that the arrow head should be 10x as wide as the arrow's line width; a value of 1500 indicates that the arrowhead should be 15x as wide, etc.

Arrowhead sizes recognized by ChemDraw are currently quantized to the values 1000, 1500, and 2250 for regular-thickness arrows, and twice those values for bold arrows. ChemDraw will round others to the closest supported value.

If this property is absent:

ChemDraw will produce arrowheads at the smallest acceptible size.


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