Create the TextChangedEvent to be used by the StyledTextContent implementor. <p>
Length of text that is going to be inserted
Number of new lines that are going to be inserted
Text that is going to be inserted or empty string if no text will be inserted
Length of text that is going to be replaced
Number of lines that are going to be replaced
Start offset of the text that is going to be replaced
the display where the event occurred
the widget that issued the event
the time that the event occurred.
a field for application use
Returns the name of the event. This is the name of the class without the module name.
Returns a string containing a concise, human-readable description of the receiver.
This event is sent by the StyledTextContent implementor when a change to the text is about to occur.
@see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>