GraphicsUnit
Specifies the unit of measure for the given data.
Display = 1
Specifies the unit of measure of the display device. Typically pixels for video displays, and 1/100 inch for printers.
Document = 5
Specifies the document unit (1/300 inch) as the unit of measure.
Inch = 4
Specifies the inch as the unit of measure.
Millimeter = 6
Specifies the millimeter as the unit of measure.
Pixel = 2
Specifies a device pixel as the unit of measure.
Point = 3
Specifies a printer's point (1/72 inch) as the unit of measure.
World = 0
Specifies the world coordinate system unit as the unit of measure.