| iTool User's Guide |

## Property Controls

The following user interface controls are used in iTool property sheets. The general function of these controls is described here. Refer to the individual property descriptions in Operations Properties and Visualization Properties for specific information on how to set individual property controls.

Table B-15: Controls Used in Property Sheets

Table B-15: Controls Used in Property Sheets
Control Type | Function
--- | ---
Boolean | Click the browse button to expand the list. Select either of the two choices (Show or Hide, True or False, etc.) from the list.
Number | If the number is editable, type in a new value. You may be restricted to whole numbers or a range of numbers. Entering a value outside of the valid range causes the number to snap to the nearest allowable value.
If a slider is displayed, slide the marker to select a new value.
If a spinner control is displayed, click, or click and hold the up or down buttons to change the value.
String | Enter a string in the text box. If the string exceeds the length of the text box, a browse button is provided to expand the text box.
Color | Select a color from the palette displayed in the color selector: Or click Custom Color (UNIX users right-click the color bar at the bottom of the window) to specify RGB or HSL values:
Line Style | Select a line style from the list. To make the line invisible, select No Line.
Line Thickness | Select a line thickness from the list. Numbers indicate line thickness in pixels. Use the scroll bar to display additional items.
Symbol | Select a symbol to appear at regular intervals on the selected line from the list. To remove a symbol from a line, select No Symbol. Use the scroll bar to display additional items.
String List | Select an item from the list. Use the scroll bar to display additional items.
User Defined | Click the Edit button to display the user-defined property control.

IDL Online Help (March 01, 2006)