Returns the color for this gradient stop.

Returns the position of this gradient stop, as a number between 0 and 1.

The value assigned to the Position property represents a fraction of the area to which the gradient is applied.

For example, to add two stops of equal length, create one GradientStop with a position of .5 and another with a position of 1.0.

The first stop extends from the origin to the halfway point of the fill area, and the second extends from the end of the first to the endpoint of the area to be filled. For three uniform stops, use .33. .67, and 1.0 as the respective positions; for four, use .25, .5, .75, and 1.0, etc.