Code:Imports pfcls
Public Class pfcSolidExamples
Public Sub printMassProperties(ByRef session As IpfcBaseSession)
Dim model As IpfcModel
Dim solid As IpfcSolid
Dim solidProperties As IpfcMassProperty
Dim gravityCentre As New CpfcPoint3D
Try
'======================================================================
'Get the current solid
'======================================================================
model = session.CurrentModel
If model Is Nothing Then
Throw New Exception("Model not present")
End If
If (Not model.Type = EpfcModelType.EpfcMDL_PART) And
_(Not model.Type = EpfcModelType.EpfcMDL_ASSEMBLY) Then
Throw New Exception("Model is not a solid")
End If
solid = CType(model, IpfcSolid)
'======================================================================
'Get the solid properties. Optional argument in this method is the name
'of the coordinate system to use. If null, uses default
'======================================================================
solidProperties = solid.GetMassProperty(Nothing)
gravityCentre = solidProperties.GravityCenter
MsgBox("The solid mass is: " + solidProperties.Mass.ToString + Chr(13).ToString + _"The solid volume is: " +
solidProperties.Volume.ToString + Chr(13).ToString + _"The Centre of Gravity is at: " + Chr(13).ToString + _"X : " + 
gravityCentre.Item(0).ToString + Chr(13).ToString + _"Y : " + gravityCentre.Item(1).ToString +
Chr(13).ToString + _"Z : " + gravityCentre.Item(2).ToString +
Chr(13).ToString)
Catch ex As Exception
MsgBox(ex.Message.ToString + Chr(13) + ex.StackTrace.ToString)
Exit Sub
End Try
End Sub
End Class

$asynconn = Win32::OLE->new("pfcls.pfcAsyncConnection");
$conn = $asynconn->Connect( "", "", ".", 5 );
#$session = $conn->Session;
#$mdlName = $session->CurrentModel->FileName;
$solidProperties = $session->CurrentModel->GetMassProperty(Nothing);
$Mass = $solidProperties->Mass;
#print "mdlName: $mdlName", "\n";
print "Mass: $Mass", "\n";