792
Chapter 7: ActionScript for Flash
Example
The following example illustrates how you can output the number of characters in a specified
TextSnapshot object. To use this code, create a static text field that contains the text
“TextSnapshot Example”.
// this example assumes that the movie clip contains
// the static text "TextSnapshot Example"
var my_mc:MovieClip = this;
var my_snap:TextSnapshot = my_mc.getTextSnapshot();
var count:Number = my_snap.getCount();
var theText:String = my_snap.getText(0, count, false);
trace(count); // output: 20
trace(theText); // output: TextSnapshot Example
See also
TextSnapshot.getText()
TextSnapshot.getSelected()
Availability
Authoring: Flash MX 2004.
Playback: SWF files published for Flash Player 6 or later, playing in Flash Player 7 or later.
Usage
my_snap
.getSelected(
from:Number
,
to:Number
)
: Boolean
Parameters
from
An integer that indicates the position of the first character of
my_snap
to be examined.
Valid values for
from
are
0 through
TextSnapshot.getCount()
- 1. If
from
is a negative value,
0 is used.
to
An integer that is 1+ the index of the last character in
my_snap
to be examined. Valid values
for
to
are 0 through
TextSnapshot.getCount()
. The character indexed by the
to
parameter is
not included in the extracted string. If this parameter is omitted,
TextSnapshot.getCount()
is
used. If this value is less than or equal to the value of
from
,
from+1
is used.
Returns
A Boolean value of
true
, if at least one character in the given range has been selected by the
corresponding
TextSnapshot.setSelected()
command,
false
otherwise.
Description
Method; returns a Boolean value that specifies whether a TextSnapshot object contains selected
text in the specified range.
To search all characters, pass a value of 0 for
from
and
TextSnapshot.getCount()
(or any very
large number) for
to
. To search a single character, pass a value of
from+1
for
to
.
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Страница 66: ...66 Chapter 2 Creating Custom Classes with ActionScript 2 0...
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Страница 808: ...808 Chapter 7 ActionScript for Flash...
Страница 810: ...810 Appendix A Deprecated Flash 4 operators...
Страница 815: ...Other keys 815 Num Lock 144 186 187 _ 189 191 192 219 220 221 222 Key Key code...
Страница 816: ...816 Appendix B Keyboard Keys and Key Code Values...
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