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[Octave-bug-tracker] [bug #42490] helpdlg does not return a proper graph

From: Pantxo Diribarne
Subject: [Octave-bug-tracker] [bug #42490] helpdlg does not return a proper graphics handle
Date: Wed, 3 Oct 2018 04:48:45 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0

Follow-up Comment #11, bug #42490 (project octave):

@Dan: As for the "demo msgbox" clearing the first figure and removing the
second, indeed "demo" behaves weirdly here. Usually "demo" closes all figures
but one and uses the latter for graphics. Here the first figure is cleared
when it should be closed.

Also the behavior you describe for 

>> h1 = msgbox("Msg 1", "title 1", "none", "modal"); h2 = msgbox("Msg 2",
"title 2", "none", "modal");

is expected and is how Matlab handles modal dialogs: the latest created modal
dialog takes precedence. See the Matlab documentation for msgbox and bug
#54720 for details. 


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