/** * Sets the receiver's tool tip text to the argument, which may be null indicating that the * default tool tip for the control will be shown. For a control that has a default tool tip, such * as the Tree control on Windows, setting the tool tip text to an empty string replaces the * default, causing no tool tip text to be shown. * * <p>The mnemonic indicator (character '&') is not displayed in a tool tip. To display a * single '&' in the tool tip, the character '&' can be escaped by doubling it in the * string. * * @param string the new tool tip text (or null) * @exception SWTException * <ul> * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver * </ul> * * @since 3.2 */ public void setToolTipText(String string) { checkWidget(); toolTipText = string; parent.checkToolTip(this); }