OpenSTAAD C#

Is OpenSTAAD works with C#?

I have writen a program to select plate elements in VB

EX:
    Dim objOpenSTAAD As Object
    Dim SelPlatesNo As Long
    Dim SelPlates() As Long 'Launch OpenSTAAD Object
    Set objOpenSTAAD = GetObject(, "StaadPro.OpenSTAAD")
   
    Redim strarr(3)
    SelPlates(0) = 1256
    SelPlates(0) = 1548   
   
    objOpenSTAAD.Geometry.SelectMultiplePlates SelPlates
    Set objOpenSTAAD = Nothing

I am unable to write the same in C#. plz anybody help me.

Regards