'宣言 Public Shared Function endPoint( _ ByVal start As IPoint, _ ByVal direction As Vector, _ ByVal distance As Double _ ) As IPoint
'宣言
Public Shared Function endPoint( _ ByVal start As IPoint, _ ByVal direction As Vector, _ ByVal distance As Double _ ) As IPoint
public static IPoint endPoint( IPoint start, Vector direction, double distance )
Vector クラス Vector メンバ