diff options
Diffstat (limited to 'documentation/common.html')
| -rw-r--r-- | documentation/common.html | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/documentation/common.html b/documentation/common.html index 85d091138..a7f17fca5 100644 --- a/documentation/common.html +++ b/documentation/common.html @@ -532,7 +532,16 @@ button->when(FL_WHEN_CHANGED | FL_WHEN_NOT_CHANGED); <CENTER><TABLE WIDTH="80%" BORDER="1" CELLPADDING="5" CELLSPACING="0" BGCOLOR="#cccccc"> <TR> - <TD><B>Hint:</B> + <TD><B>Note:</B> + + <P>You cannot delete a widget inside a callback, as the + widget may still be accessed by FLTK after your callback + is completed. Instead, use the <a + href='Fl.html#Fl.delete_widget'><tt>Fl::delete_widget()</tt></a> + method to mark your widget for deletion when it is safe + to do so.</p> + + <p><B>Hint:</B> <P>Many programmers new to FLTK or C++ try to use a non-static class method instead of a static class method |