//prepare a segment
StructureSegment oStructureSegment = StructureSegment.Create(m_oTestProject.SegmentDefinitions[0]) as StructureSegment;
oStructureSegment.Name = "test1c";

//prepare a page
Page oNewPage = new Page(m_oTestProject, DocumentTypeManager.DocumentType.Planning, new PagePropertyList());
oNewPage.Name = "SegmentPlacement_Test001c";
          
//create SegmentPlacement
SegmentPlacement oSegmentPlacement = new SegmentPlacement();
oSegmentPlacement.Create(oStructureSegment, oNewPage);