Retrieves the tree node that is at the specified point.

检索位于指定位置的树节点.

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Compositing Tree with iconic representation on each Tree node.

树状合成结构中每个节点都以图标形式显示.

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Retrieves the tree node at the point with the specified coordinates.

检索位于指定点(以坐标表示)的树节点.

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Occurs after the tree node is selected.

在选定树节点后发生.

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Expand its tree node or merger.

号展开或者合并树节点.

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You can use the new derived tree node as a parameter to function calls.

新的派生树节点可用作函数调用的参数.

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Occurs when a check box on a tree node is about to be checked or unchecked.

当将要选中或取消选中树节点上的复选框时发生.

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Occurs when a check box on a tree node has been checked or unchecked.

当已选中或取消选中树节点上的复选框时发生.

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