private void chartControl1_ObjectHotTracked(object sender, DevExpress.XtraCharts.HotTrackEventArgs e)
{
SeriesPoint point = e.AdditionalObject as SeriesPoint;
if (point != null)
{
PivotChartDataSourceRowItem coord = point.Tag as PivotChartDataSourceRowItem;
ChartControl chart = (ChartControl)sender;
PivotGridControl pivot = (PivotGridControl)chart.DataSource;
PivotCellEventArgs info = pivot.Cells.GetCellInfo(coord.CellX, coord.CellY);
PivotSummaryDataSource source = info.CreateSummaryDataSource();
string s = string.Empty;
for (int i = 0; i < source.RowCount; i++)
{
s += "Country = " + source.GetValue(i, 0).ToString() +
"\r\tYear = " + source.GetValue(i, 1).ToString() +
"\r\tExtended Price = " + source.GetValue(i, 2).ToString() + "\r\n";
}
toolTipController1.ShowHint(s);
}
else
{
toolTipController1.HideHint();
}
}
private void chartControl1_ObjectHotTracked(object sender, DevExpress.XtraCharts.HotTrackEventArgs e)
{
SeriesPoint point = e.AdditionalObject as SeriesPoint;
if (point == null)
{
InvalidateCell(pivotGridControl1, hotTrackPoint);
hotTrackPoint = new Point(-1, -1);
}
else
{
PivotChartDataSourceRowItem coordinates = point.Tag as PivotChartDataSourceRowItem;
InvalidateCell(pivotGridControl1, hotTrackPoint);
hotTrackPoint.X = coordinates.CellX;
hotTrackPoint.Y = coordinates.CellY;
InvalidateCell(pivotGridControl1, hotTrackPoint);
}
}
