| Unit: | SDL_polchart |
| Class: |
TPolChart |
| Declaration: |
property CrossHair1: TpcCrossHair;
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:
| PosRad: double; |
Radial position. |
| PosPhi: double; |
Angular position. |
| Color: TColor; |
Color of the crosshair. |
| Mode: TpcCrossHMode; |
Defines the layout of the crosshair (chOff... crosshair is switched off, chOrtho... orthogonal lines, chPolar...
polar crosshair consisting of circle and radial line) |
| LineType: TPenStyle; |
Pen style of the 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 pixel 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. |
|
ChartPack 
