FillRule

Silverlight

Specifies how the intersecting areas of PathFigure objects contained in a Geometry are combined to form the area of the Geometry.

<object property="EnumerationValue"  .../>
value = FillRule.EnumerationValue

Value

Description

EvenOdd

Rule that determines whether a point is in the fill region by drawing a ray from that point to infinity in any direction and counting the number of path segments within the given shape that the ray crosses. If this number is odd, the point is inside; if the number is even, the point is outside.

Nonzero

Rule that determines whether a point is in the fill region of the path by drawing a ray from that point to infinity in any direction and then examining the places where a segment of the shape crosses the ray. Starting with a count of zero, add one each time a segment crosses the ray from left to right and subtract one each time a segment crosses the ray from right to left. After counting the crossings, if the result is zero, the point is outside the path. Otherwise, it is inside.

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