@Override
public void setToolTipText(String string) {
checkWidget();
super.setToolTipText(string);
Shell shell = _getShell();
ToolItem[] items = getItems();
for (int i = 0; i < items.length; i++) {
String newString = string != null ? null : items[i].toolTipText;
shell.setToolTipText(items[i].handle, newString);
}
}
void setToolTipText(Shell shell, String newString) {
shell.setToolTipText(handle, newString);
}