July 2003
Intermediate to advanced
896 pages
45h 43m
English
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8.24. Selecting Text with ActionScript
Problem
You want to highlight a portion of the text within a text field.
Solution
Use the Selection.setSelection( ) method.
Discussion
The Selection class has a static method,
setSelection( ), which highlights a portion of
the text in the text field. The selection is applied to the text
field that has focus (see Recipe 8.23). The setSelection(
) method takes two parameters:
-
startIndex The beginning, zero-relative index of the text to highlight
-
endIndex The index of the character after the text to highlight
For example:
myTextField.text = "this is some text"; // Set the text value.
Selection.setFocus("myTextField"); // Bring focus to the text field.
Selection.setSelection(0, 4); // Highlight the word "this".See Also
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