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我们可以ComboViewer用来监听鼠标悬停事件吗?我想基本上在组合框中的列表的工具提示中显示悬停值

例子:

我有一个包含值“a”、“b”和“c”的组合列表。当我将鼠标移到“b”上时,我需要在工具提示中显示“b”。

viewer.setContentProvider(ArrayContentProvider.getInstance());
viewer.setInput({"a", "b", "c"})
viewer.getCombo().addMouseMoveListener(new MouseMoveListener(){
 public void mouseMove(MouseEvent event){

  // here i need a logic to read identify on which value the mouse is over.

 }
});
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