Vb创建TreeView节点实例的演示源码，并实现了节点的拖拽，可拖动的树形菜单控件，鼠标选中一个节点后，按下鼠标左键移动节点，可将节点拖动到指定的节点下。在TreeView中，这是一种增强的用法，仅供初学者参考。拖动节点时注意：不能将父节点拖动到子节点中-Under Vb source code to create a demo instance TreeView nodes and nodes to achieve a drag, drag the tree menu control, the mouse to select a node, press the left mouse button to move the node, the node can be dragged to the specified node . In the TreeView, which is an enhanced usage, for beginners reference. When you drag a node Note: You can not drag a parent node to the child node