StringUnit
Specifies the units of measure for a text string.
Display = 1
Specifies the device unit as the unit of measure.
Document = 5
Specifies 1/300 of an inch as the unit of measure.
Em = 32
Specifies a printer's em size of 32 as the unit of measure.
Inch = 4
Specifies an inch as the unit of measure.
Millimeter = 6
Specifies a millimeter as the unit of measure.
Pixel = 2
Specifies a pixel as the unit of measure.
Point = 3
Specifies a printer's point (1/72 inch) as the unit of measure.
World = 0
Specifies world units as the unit of measure.