Example 014: Graph showing use of PEgethotspot

1//! Move mouse over subset legends, point labels, or data points
2//! and watch title bar.
3 
4// This example builds upon the basic CreateSimpleGraph '000' example chart //
5CreateSimpleGraph(Pego1);
6 
7// Enable some various hot spots //
8Pego1.PeUserInterface.HotSpot.Data = true;
9Pego1.PeUserInterface.HotSpot.Subset = true;
10Pego1.PeUserInterface.HotSpot.Point = true;
11Pego1.PeUserInterface.HotSpot.Size = HotSpotSize.Large;
12 
13Pego1.PePlot.Method = GraphPlottingMethod.PointsPlusSpline;
14Pego1.PePlot.ComparisonSubsets = 2;
15Pego1.PePlot.MethodII = GraphPlottingMethodII.PointsPlusLine;
16Pego1.PePlot.MarkDataPoints = false;
17 
18Pego1.PeUserInterface.Cursor.PromptTracking = true;
19Pego1.PeUserInterface.Cursor.TrackingCustomDataText = true;
20 
21// Generally call ReinitializeResetImage at end **'
22Pego1.PeFunction.ReinitializeResetImage();
23Pego1.Invalidate();
24// Optionally call Pego1.Refresh() if you are not seeing changes immediately
25 
26/*///////////////////////////////////////////////
27// Example MouseMove event handler //
28/////////////////////////////////////
29 
30void Pego1_MouseMove(object sender, MouseEventArgs e)
31{
32    Gigasoft.ProEssentials.Structs.HotSpotData ds = Pego1.PeFunction.GetHotSpot();
33 
34    if (ds.Type == HotSpotType.DataPoint)
35        this.Title = "DataPoint value " + Pego1.PeData.Y[extra1, extra2].ToString();
36    else if (ds.Type == HotSpotType.Subset)
37        this.Title = "Subset Legend is " + Pego1.PeString.SubsetLabels[extra1];
38    else if (ds.Type == HotSpotType.Point)
39        this.Title = "Point Label is " + Pego1.PeString.PointLabels[extra1];
40    else
41    {
42        System.Drawing.Point pt = Pego1.PeUserInterface.Cursor.LastMouseMove;
43        System.Drawing.Point p = Pego1.PeFunction.SearchSubsetPointIndex(pt.X, pt.Y);
44        if (p.X >= 0)
45        {
46            string s = String.Format("Closest Subset Point s={0}", p.X);
47            s += String.Format(", p={0}", p.Y);
48            this.Text = s;
49        }
50        else
51            this.Text = "No Hot Spot";
52    }
53}
54 
55*/