log.println( "getting Diagram" );
oDiagram = (XDiagram) xChartDoc.getDiagram();
// get the Grid
log.println( "getting ChartGrid" );
XAxisXSupplier oAxisSup = (XAxisXSupplier)
UnoRuntime.queryInterface(XAxisXSupplier.class,oDiagram);
oObj = (XPropertySet) oAxisSup.getXMainGrid();
log.println( "creating a new environment for chartdocument object" );
TestEnvironment tEnv = new TestEnvironment( oObj );
return tEnv;