On Wed, 27 Jan 2016 06:01:24 +0100 "Joe Shepherd" <joe.sheph...@cyberservices.com> wrote:
>[...] > newnode := tv.items.addchild(nil, 'A'); > newnode := tv.items.addchild(nil, 'B'); > newnode := tv.items.addchild(newnode, 'B1'); > newnode := tv.items.addchild(newnode, 'B12'); > newnode := tv.items.addchild(newnode, 'B123'); >[...] > If the treeview option tvoAutoExpand is True, I get the whole tree and can > click about the tree and select nodes. But if tvoAutoExpand is False, the > tree is (correctly) drawn collapsed, and clicking to expand (eg node B), or > on a node with no children (eg Node A) both result in a SigSegV in > include/treeview.inc at line 1590 which is the indicated line here: Clicking on nodes should not create AV, unless you have some more code than just the above 5 lines. The method GetLevel is not called by the LCL, so I guess you use it somewhere. Use the debugger to create a backtrace of the AV to find out what causes the AV. Mattias -- _______________________________________________ Lazarus mailing list Lazarus@lists.lazarus.freepascal.org http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
