Public Function CompareTo( _
   ByVal other As Coordinate _
) As Integer

public int CompareTo( 
   Coordinate other
)

Parameters

other

Coordinate to compare.

Return Value

-1	if x or y of this coordinate are smaller than x or y of another coordinate.
0	if the properties of both coordinates are equal.
+1	if this coordinate properties are greater than another coordinate properties.

Compares the location of the base point with that of the input point to determine a relative ordering of the two points. Points are compared in the order of X, Y. This funcation is useful for sorting a group of points.

Reference