Rainman Lee wrote:
> oh, I see...
> Separating XButton from XWindow and reusing the window implementation
> can be done in a old-style service.
> But in a new-style service, only one interface a service can inherit.
> so if I try to separate XButton, there must be a XSomeInterface that
> inherits XButton and XWindow.
> The result is my Button that inherits XSomeInterface cant reuse Window
> implementation.
No, you can reuse it, but you must reimplement all methods from XWindow
and let them call the methods of your window class. If you have a
"MyButtonClass" that derives from "MyWindowClass" (implementing XWindow)
and implements XButton (derived from XWindow), and if your XWindow
interface has a method "setvisible", the code would look like e.g.
MyButtonClass::setVisible( sal_Bool bSet )
{
MyWindowClass::setVisible( bSet );
}
I assume that with "XButton" and "XWindow" you are not referring to the
interfaces in the namespace com::sun::star::awt, as here XButton is not
derived from XWindow anyway.
Regards,
Mathias
--
Mathias Bauer (mba) - Project Lead OpenOffice.org Writer
OpenOffice.org Engineering at Sun: http://blogs.sun.com/GullFOSS
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