When the search string is found in one of the tree items, that tree item is selected (line 48).
当在一个树项目中找到搜索字符串时，将会选定该树项目(第48行)。
The algorithm is simple; it iterates through the top-level items of the tree and compares their text contents with the search string (lines 43 to 52 in listing 6).
算法很简单，它对树的顶级项目进行迭代，并将其文本内容与搜索字符串进行比较(清单6中的第43 - 52行)。
When you select this option, a database column defined with a Date data type is defined in the type tree as a character text string.
如果选择这个选项，定义为Date数据类型的数据库列在类型树中定义为一个字符文本字符串。
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