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Disposed object is retained by UltraToolbarsManager's EventHandler
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We have a memory leak issue due to controls being retained by UltraToolbarsManager.

Here is the architecture we have: Control1 has a UltraToolbarsManager. Control1 creates several Control2 objects in tabs. Control2 objects have also UltraGrids. We use the UltraToolbarsManager of Control1 to set the contextMenuUltra's of the UltraGrids of the Control2 objects.

As we close the Control2 objects via tabs, we realize that those Control2 objects are not disposed off the memory entirely, because they are retained by Control1.UltraToolbarsManager.contextMenuUltras.

In order to overcome this issue, we have tried Control1.UltraToolbarsManager.SetContextMenuUltra(UltraGridXYZ, null). However, we realized that even though UltraGridXYZ was disposed, the Control2 object was still retained in the memory, via UltraToolbarsManager.contextMenuUltras.val[]..._target.

Is there a way to detach the Control2 object from the UltraToolbarsManager at the end of its life cycle so that it doesn't remain in the memory? Or shall we maintain a separate UltraToolbarsManager for each Control2 object, that we create?

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