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** File: Base3.hlp
** Index: 13
** Content: Dialog boxes
█ Dialog boxes
The dialog box is a special window
designed for the program to get information
from the user. It is a convenient way to
view and set multiple options.
When you are making settings in a
dialog box, you work with the following
basic GraphVision dialog controls: input-
line boxes, command buttons, list boxes,
check boxes and radio buttons.
If you are using a mouse, click the
button, field or box you want. When you
are using the keyboard, press <Alt> and
the underlined letter of an item to
activate it. Press <Tab> to move among
Input-line and List boxes.
█ Input-line box
You type input text into an Input-line
box. Most basic text-editing keys work in
the Input-line box. If you continue to
type once you reach the end of the box, the
contents automatically scroll. When you
move to an empty Input-line box, an edit
cursor (flashing underscore "_") appears .
The text you type starts at this cursor
point. If the box you move to already
contains text, this text is selected, and
any text you type replaces it.
█ Command button
Choose a Command button to initiate an
action immediately, such as carrying out or
canceling a command.
█ List box
A list box displays a list of choices.
It contains a vertical scroll bar that lets
you scroll through and select from
variable-length lists (often names) without
leaving a dialog box. You can use a mouse
to make a selection, or use the arrow keys
to move between list items and press
<Space Bar> to select an item.
█ Check box
Check boxes are used to get multiple
choices from user. You can select as many
check box options as needed. When a check
box is selected, it contains an X. To
select a check box, click the box or select
the group you want and use the arrow keys
to choose a particular check box, then press
<Space Bar> to select it.
█ Radio buttons
Radio buttons represent mutually
exclusive choices. For this reason, radio
buttons always come in groups, and you can
select only one option at a time. The
selected radio button contains a black dot.
To select a radio button, click the button
or select the group you want and use the
arrow keys to choose a particular radio
button.