The Vector2d type exposes the following members.
Gets a value indicating whether this vector is valid. A valid vector must be formed of valid component values for x, y and z.
Computes the length (or magnitude, or size) of this vector. This is an application of Pythagoras' theorem.
Returns the square of the length of the vector.
Gets the value of the vector with components set as RhinoMath.UnsetValue,RhinoMath.UnsetValue.
Gets or sets the X (first) component of this vector.
Gets or sets the Y (second) component of this vector.
Gets the value of the vector with components 0,0.