I have a Gantt chart that can one or two items on the y axis, or it can have 100+. I would like to use the TAxisArrowTool on the left axis of my Gantt chart. However, the user can then click the up or down arrow so many times that the data completely scrolls out of view. How can I limit that to the ...

I have a Gantt chart and I assign custom text to the marks text to show short detail at all times: Series.AddGantt(Now(), Now() + 24, i, 'My Y Label'); Series.Marks.Item .Text.Text := 'Short'; I also want to give longer detail as a marktip, so I have Series.Marks.Style := smsPointIndex; MarkTips.Sty...

Never mind, I found it.

tttGraphic.Canvas.Calculate2DPosition(realX, realY, 0);

Yes, I do this, but I need to know if the mouse is in a certain spot in the shape. Example : If mouse is over top half or shape then Caption := 'Top Section' else if in bottom half then Caption := 'Bottom Section' node := tttGraphic.ClickedShape(x, y); realY := tttGraphic.HorzScrollBar.Position; if ...

I am trying to see if my cursor is in a certain position inside of a TTreeNodeShape or on the Tree. I see how to do it with a TChart (CacPosPoint in the help doc, "Custom drawing on the Chart"), is there an equivalent for TTree. I can do it just fine, if the chart is not zoomed, but as soon as I zoo...