Public Function GraphicsLayerRowToJson( _
   ByVal row As DataRow, _
   ByVal transparency As Double _
) As String

Dim instance As JsonSerializer
Dim row As DataRow
Dim transparency As Double
Dim value As String
 
value = instance.GraphicsLayerRowToJson(row, transparency)

public string GraphicsLayerRowToJson( 
   DataRow row,
   double transparency
)