WnckApplication
@wnckapplication: the object which received the signal.
@wnckapplication: the object which received the signal.
@xwindow:
@Returns:
@app:
@Returns:
@app:
@Returns:
@app:
@Returns:
@app:
@Returns:
@app:
@Returns:
@app:
@Returns:
@app:
@Returns:
@app:
@Returns:
@app:
@Returns:
@app:
@Returns: