Example 007: Graph showing use of PEconvpixeltograph

1//! Look at TitleBar for the chart's window.  As you
2//! move the mouse, you will see the coordinates of the
3//! mouse in the titlebar.
4 
5//! Right button click to show popup menu. //
6//! Double Click to show customization dialog. //
7 
8// This example builds upon the basic CreateSimpleGraph '000' example chart //
9CreateSimpleGraph(Pego1);
10 
11// Other various properties //
12Pego1.PeColor.BitmapGradientMode = true;
13Pego1.PeColor.QuickStyle = QuickStyle.LightShadow;
14Pego1.PePlot.MarkDataPoints = false;
15 
16Pego1.PePlot.Method = GraphPlottingMethod.Point;
17 
18// Set last 1 subset to right y axis
19Pego1.PePlot.RYAxisComparisonSubsets = 1;
20Pego1.PePlot.MethodII = GraphPlottingMethodII.Line;
21 
22// Set cursor related properties
23// v9 feature
24Pego1.PeUserInterface.Cursor.PromptLocation = CursorPromptLocation.ToolTip;
25Pego1.PeUserInterface.Cursor.PromptStyle = CursorPromptStyle.XYValues;
26Pego1.PeUserInterface.Cursor.TrackingCustomDataText = true;
27Pego1.PeUserInterface.Cursor.Mode = CursorMode.DataCross;
28 
29// This will allow you to move cursor by clicking data point //
30Pego1.PeUserInterface.Cursor.MouseCursorControl = true;
31Pego1.PeUserInterface.HotSpot.Data = true;
32 
33// No need to click data point, click close to the data point //
34// v9 feature
35Pego1.PeUserInterface.Cursor.MouseCursorControlClosestPoint = true;
36 
37Pego1.PeUserInterface.Cursor.TrackingTooltipMaxWidth = 250;
38 
39// Generally call ReinitializeResetImage at end **'
40Pego1.PeFunction.ReinitializeResetImage();
41Pego1.Invalidate();
42// Optionally call Pego1.Refresh() if you are not seeing changes immediately
43 
44/*////////////////////////////////////////
45// From MouseMove event of Pego control //
46//////////////////////////////////////////
47 
48private void Pego1_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
49{
50    Double fX = 0;
51    Double fY = 0;
52    int nA, nX, nY;
53 
54    // get last mouse location within control //'
55    System.Drawing.Point pt = Pego1.PeUserInterface.Cursor.LastMouseMove;
56 
57    // test to see if this is within grid area //'
58    System.Drawing.Rectangle rect = Pego1.PeFunction.GetRectGraph();
59 
60    if (rect.Contains(pt))
61    {
62        nA = 0;        // Initialize axis if using OverlapMultiAxes, else this function will
63                       // return the axis if MultiAxesSubsets is used without OverlapMultiAxes
64        nX = pt.X;     // Initialize nX and nY with mouse location
65        nY = pt.Y;
66        Pego1.PeFunction.ConvPixelToGraph(ref nA, ref nX, ref nY, ref fX, ref fY, false, false, false);
67        this.Title = fX.ToString() + "   -   " + fY.ToString();
68    }
69    else
70        this.Title = "Outside Grid";
71    }
72}
73 
74private void Pego1_PeCustomTrackingDataText(object sender, Gigasoft.ProEssentials.EventArg.CustomTrackingDataTextEventArgs e)
75{
76    if (Pego1.PeUserInterface.Cursor.TrackingPromptTrigger == TrackingTrigger.MouseMove)
77    {
78        Double fX = 0, fY = 0, fRY = 0;
79        int nA, nX, nY;
80 
81        // get last mouse location within control //'
82        System.Drawing.Point pt = Pego1.PeUserInterface.Cursor.LastMouseMove;
83 
84        // test to see if this is within grid area //'
85        System.Drawing.Rectangle rect = Pego1.PeFunction.GetRectGraph();
86 
87        if (rect.Contains(pt))
88        {
89            nA = 0;        // Initialize axis if using OverlapMultiAxes, else this function will
90                           // return the axis if MultiAxesSubsets is used without OverlapMultiAxes
91            nX = pt.X;     // Initialize nX and nY with mouse location
92            nY = pt.Y;
93 
94            // read the left y axis value
95            Pego1.PeFunction.ConvPixelToGraph(ref nA, ref nX, ref nY, ref fX, ref fY, false, false, false);
96 
97            // read the right y axis value
98            Pego1.PeFunction.ConvPixelToGraph(ref nA, ref nX, ref nY, ref fX, ref fRY, true, false, false);
99 
100            string s;
101            s = String.Format("Left Y <- {0:0.00}   ", fY);
102            s += String.Format("{0:0.00} -> Right Y", fRY);
103            e.TrackingText = s;
104        }
105    }
106    else
107    {
108        // Not a MouseMove, must be a CursorMove trigger
109        float fY = Pego1.PeData.Y[Pego1.PeUserInterface.Cursor.Subset, Pego1.PeUserInterface.Cursor.Point];
110 
111        if (Pego1.PeUserInterface.Cursor.Subset < 3)
112            e.TrackingText = String.Format("Left Y <- {0:0.00}", fY);
113        else
114            e.TrackingText = String.Format("{0:0.00} -> Right Y", fY);
115    }
116}
117 
118*/