The device angle relative to the paper, when the points were collected. The angle value affects drawing, since it turn the coordinate system in this angle. Some devices has the ability of locating them in the corner, or at the side of the paper. Usualy there is no need to change this value.

The DeviceOffsetX represents the offset of the Y Coordinate in the X direction. Most of Pen devices, use Coordinate system, which the Y axis is located in the middle of the page, while windows coordinate system, use the left side of the page as zero. This is a device characteristic, results from the device location on the page. Usualy there is no need to change this value.

The DeviceOffsetY represent the offset of the coordinate system in the Y direction, tward the bottom of the page. This is a device characteristic, results from the device location on the page. Usualy there is no need to change this value.

The DPI of the strokes data. The DPI is 1/1000 of this value. For example, if DPIx1000==300,000, the DPI is equal to 300.

The list of Stroke objects in the collection.