Using built‑in Flash charts and gadgets : Formatting a Flash gadget : Needle properties
 
Needle properties
Needle properties define the shape, size, and color of a needle. A needle appears only in a linear gauge and in a meter gauge, and is used to point to a data value. Figure 14‑7 shows the needle properties set for a meter gauge.
Figure 14‑7 Selecting options for the needle of a meter gauge gadget
For a meter gauge, the needles properties apply only to the pointer part of the needle. To format the base, or pivot, of the needle (represented by the circle), choose Needle Base/Pivot.
Table 14‑3 shows all the needle properties and lists the gadgets to which they apply.
Table 14‑3 Needle properties 
Property
Gadget
Usage
Base Width
Meter
Sets the size of the bottom part of the needle, as a percent of the size of the gadget.
Border Color
Linear gauge, meter
Sets the border color of the needle.
Border Width
Linear gauge, meter
Sets the thickness of the needle border.
Fill Background Color
Meter
Sets the background color of needle.
Fill Color
Linear gauge
Sets the interior color of the needle.
Rear Extension
Meter
Sets the size of the portion of the needle behind the pivot as a percent of the size of the gadget.
Shape
Linear gauge
Sets the shape of the needle.
Show Value
Meter
Enables or disables the display of the value to which the needle points.
Size
Linear gauge, meter
Sets the size in pixels, or in percent of gadget width, of the needle.
Tooltip
Linear Gauge, meter
Specifies text for the tooltip.
Top Width
Meter
Sets the size of the tip of the needle as a percent of the size of the gadget.
Value
Linear gauge, meter
Sets which needle to format. Several needles can co-exist, based on the data used to create the gadget.
Value Textbox X Co-ordinate
Meter
Sets the x coordinate of the value text, as a percent of gadget width.
Value Textbox Y Co-ordinate
Meter
Sets the y coordinate of the value text, as a percent of gadget height.