在UI线程里，用占位符填充树或表，在后台的Job中，检索真实数据并在获得数据后更新树。

In the UI thread, populate your tree or table with placeholder values and, in a background Job, retrieve the real values and update the tree as you fetch them.

youdao

在UI线程里，用占位符填充树或表，在后台的Job中，检索真实数据并在获得数据后更新树。

In the UI thread, populate your tree or table with placeholder values and, in a background Job, retrieve the real values and update the tree as you fetch them.

youdao