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IBuiltInTextAreaListener

TextArea built-in control listener. It describes required methods which TextArea will use to notify listener owner about changes.

You can find more information in comments below. Overrided methods can be found in corresponding base interface.

class IBuiltInTextAreaListener :public virtual IBuiltInControlListener
{
public:
    virtual void NotifyOnTextChanged(IBuiltInControl *sender) = 0; // Notify about changes in text. Use only this for running updates like scroll availability recalculation. This method is called each time such a change happens in notifications received by the built-in textarea
    virtual void NotifyOnChanged(IBuiltInControl *sender) = 0; // Notify about another changes required to redraw control
};