'宣言
 
Function _buildSvgArcToPathCommand( _
   ByVal rx As Double, _
   ByVal ry As Double, _
   ByVal rotation As Double, _
   ByVal largeArc As Integer, _
   ByVal sweep As Integer, _
   ByVal ex As Double, _
   ByVal ey As Double, _
   Optional ByVal isRelative As Boolean, _
   Optional ByVal currentX As Double, _
   Optional ByVal currentY As Double _
) As ISvgArcPathCommand