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Re: Problem with TreeView(uitree) and UIContextMenu
Posted:
Jan 31, 2013 1:43 PM
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"Dennis B." wrote in message <ked7t4$jp6$1@newscl01ah.mathworks.com>...
> Hi Yair - thanks for your response.
> After changing my Code to:
>
> ------------------------------------------------------------
>
> jObject_ja = handle(JavaTree_ja, 'CallbackProperties');
> set(jObject_ja,'MouseClickedCallback',{'sc_maindlggui',hMainDlg,'mdtreenouseclick'});
>
> setappdata(JavaTree_ja,'UIContextMenu',hContextMenu); %BARD-23-11-11: use "setappdata" for Java-GUI instead of "set"
>
> JavaTree_ja.setRightSelectionEnabled(1); %set(JavaTree_ja,'rightSelectionEnabled','on');
>
> ------------------------------------------------------------
>
> i get an error "Invalid object handle" at setappdata and if i change the order ("handle" and "set" at lastt) no error occurs, but also no Context-PopUp shows up.
>
> Any idea?
>
> Greetings
> D.B.
Of course you get an error - read the documentation for set and setappdata - they are completely different. set is used to update an object's property (e.g., 'UIContextMenu'); setappdata is used to store some user-named value.
For a context menu to be active you need to *set* the UIContextMenu property; if you don't want the warning you need to set not the basic java object but the handle()'ed object. In short - you made a whole mess of things, so re-read my post carefully... (or my Matlab-Java programming book)
Yair Altman
http://UndocumentedMatlab.com
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