private bool TextChange(TextChangedType type, string text)
{
var e = new PreviewTextChangedEventArgs(PreviewTextChangedEvent, type, text);
OnPreviewTextChanged(e);
return e.Handled;
}
protected virtual void OnPreviewTextChanged(PreviewTextChangedEventArgs e)
{
RaiseEvent(e);
}
private void TextBox_OnPrevieTextChanged(object sender, PreviewTextChangedEventArgs e)
{
MessageBox.Show(TextBox.Text);
}