I have a treepanel and a content area to the right, where tab panels display.
When a tree node is clicked, I show a tab panel in content area to the right, where each tab displays different info about the tab topic.
Let's say I click a tree node, then on the second tab for its tab panel in the content area to the right.
Then I click a different tree node. That newly clicked nodes tab panel now displays in the content area to the right.
What event can I listen to in order to know when the previous node's tab panel is no longer visible? Hide does not work. Deactivate does not work. Wondering how I can detect this.
至少在我看来,destroy事件确实可以解决问题。
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