// Override this method to be notified when the text changes in the control
protected virtual void OnTextChanged2(TextChanged2EventArgs args)
{
if (TextChanged2 != null)
{
TextChanged2(this, args);
}
}
private void NotifyTextChanged(ChangeDescription change, bool isUndo)
{
string _after = "";
if (change.TextAfter != null)
{
_after = change.TextAfter;
}
string _before = "";
if (change.TextBefore != null)
{
_before = change.TextBefore;
}
// No need to notify if there was no change, even though this method gets called
// sometimes when text hasn't been altered.
if (_after.Length == 0 && _before.Length == 0)
{
return;
}
TextChanged2EventArgs _args;
if (isUndo)
{
_args = new TextChanged2EventArgs(change.Start, _after, _before);
}
else
{
_args = new TextChanged2EventArgs(change.Start, _before, _after);
}
OnTextChanged2(_args);
}