Home  ChartPack RChart Class TRChart Properties CrossHairN |
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| See also: CrossHairPosX, CrossHairPosY, CrossHairSetPos, CrossHairSetup, OnCrossHairMove, TCrossHMode, TCrossHair, TCrossHairMoveEvent, TBeforeCrossHMoveEvent, OnBeforeCrossHairMove (RChart), OnBeforeCrossHairMove (ContourPlot) |
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CrossHairN |
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| Unit: | SDL_rchart |
| Class: |
TRChart |
| Declaration: |
property CrossHair1: TCrossHair;
property CrossHair2: TCrossHair;
property CrossHair3: TCrossHair;
property CrossHair4: TCrossHair; |
The properties CrossHair1 to CrossHair4 define the form and layout of the four available crosshairs and contain the following sub-properties:
| PosX: double; |
Position on x-axis. |
| PosY: double; |
Position on y-axis. |
| Color: TColor; |
Color of crosshair. |
| Layer: integer; |
Layer the crosshair belongs to. By default, the crosshairs 1 to 4 are assigned to the chart layers 1 to 4. |
| Mode: TCrossHMode; |
Defines the layout of the crosshair (chOff... crosshair is switched off, chHoriz... horizontal linechVert... vertical line, chBoth... full crosshair, chCrossBox... small crosshair, chBox... square box) |
| LineType: TPenStyle; |
Pen style for crosshair. LineType may assume one of the following values:
psSolid (solid line)
psDot (dotted line)
psDash (dashed line)
psDashDot (dash-dot combinations)
psDashDotDot (series of dash-dot-dot combinations)
Note that the LineType will be effective only if LineWid is set to 1 |
| LineWid: integer; |
Line width of the crosshair. Note that lines broader than 1 will always be drawn as solid line, even if LineType is set to some other value. |
| OnChange: TNotifyEvent; |
Event triggered when any parameter of the crosshair is changed. |
| Hint 1: |
Please note that the visible crosshairs can be dragged interactively if the property MouseAction is set to maDragCrossH. |
| Hint 2: |
The crosshairs can also be set up by using the method CrossHairSetup. |
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