[TeeChart] Add custom vertical/horizontal axis to a chart

// Create a new line series
  TLineSeries *Series = new TLineSeries(Chart);

// Create a new custom vertical axis
  TChartAxis *vertaxis = new TChartAxis(Chart);
// Assign custom vertical axis
  Series->CustomVertAxis = vertaxis;
// Set axis position
  vertaxis->PositionPercent = 0; //percentage
// Set axis size
  vertaxis->StartPosition = 10;  //percentage
  vertaxis->EndPosition   = 50;  //percentage

// Create a new custom horizontal axis
  TChartAxis *horiaxis = new TChartAxis(Chart);
// Set new axis as horizontal
  horiaxis->Horizontal = true;   
  
  Series->CustomHorizAxis = horiaxis;
  horiaxis->PositionPercent = 0;
  horiaxis->StartPosition   = 30;
  horiaxis->EndPosition     = 60;

// Add line series to chart
  Chart->AddSeries(Series);