WinForms and Wisej samples attached. Just grab the DRAG ME node and drop it on DROP HERE node.
Before D&D, DROP HERE is child of DRAG ME. After D&D, DROP HERE is father of DRAG ME. So DRAG ME is “demoted” to a child of its own child and the browser hangs. Try to use Chrome. After the broser hangs, open another tab on the same URL http://localhost:38844. The new tab shows DROP ME on the correct place (but with no icon).
The main issue is the browser hang. After that issue is solved, I guess the icon issue will also be solved.
thanks for your sample, it uncovered 2 issues:
WJ-8357 – TreeNode may not show the icon initially
(Caused by a low level bug in qooxdoo, when changing the source of an image, it aborts loading the previous image even if it´s used by another widget)
WJ-8360 – Changing the parent of a node in a Tree View can cause a freezing of the application due to a temporary circular ownership
Both issues are fixed and will be included in the next Wisej build. We´ll keep you updated when it´s available.
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