Examples of org.eclipse.swt.dnd.Clipboard.clearContents()

org.eclipse.swt.dnd.Clipboard.clearContents()
If this clipboard is currently the owner of the data on the system clipboard, clear the contents. If this clipboard is not the owner, then nothing is done. Note that there are clipboard assistant applications that take ownership of data or make copies of data when it is placed on the clipboard. In these cases, it may not be possible to clear the clipboard. @exception SWTException
- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
@since 3.1

     * a deadlock during opening an OpenOffice.org document.
     */
    Clipboard clipboard = new Clipboard(Display.getCurrent());
    if(clipboard.getAvailableTypeNames().length != 0) {      
      clipboard.setContents(new Object[] {" "}, new Transfer[] {TextTransfer.getInstance()}); //$NON-NLS-1$
      clipboard.clearContents();
    }
    clipboard.dispose();
    /**
     * XXX: End.
     */

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    waitInUI();
    Display.getDefault().syncExec(new Runnable() {


      public void run() {
        Clipboard clp = new Clipboard(Display.getCurrent());
        clp.clearContents();
        clp.setContents(new Object[] { "x" },
            new TextTransfer[] { TextTransfer.getInstance() });
        String value = (String) clp.getContents(TextTransfer
            .getInstance());
        assertEquals("Clipboard content should be x", "x", value);

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