//typedef GraphDraw_ns::StdGridAxisECtrl<Types, GraphDraw_ns::GanttXGridAxisDraw >   X1_TypeGridAxisDraw;
typedef GraphDraw_ns::TStdGridAxisECtrl<GraphDraw_ns::GanttXGridAxisDraw >   X1_TypeGridAxisDraw;

//class GanttBarSeries : public CustomDataSource {
class GanttBarSeries : public SimpleJobSerie {

//ganttPrintStyle.x1AxisStyle.gridColor = WhiteGray();
ganttPrintStyle.x1AxisStyle.gdStyle.gridColor = WhiteGray();

//GetElementY1GridAxisDraw().SetAxisInverted(); // crashes in release mode!
GetElementY1GridAxisDraw().GetCoordConverter().SetInverted();