Please convert and give me the below code to c#

Question

Its in VBA

 

If cmbhlevels.Value = "1" Then

ActiveDocument.AttachedTemplate.AutoTextEntries("z_TOC1").Insert Where _

:=Selection.Range, RichText:=True

End If

If cmbhlevels.Value = "2" Then

ActiveDocument.AttachedTemplate.AutoTextEntries("z_TOC2").Insert Where _

:=Selection.Range, RichText:=True

End If