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Copy a branch

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To copy a branch, we use recursion and the CopyItem() function to accomplish our task.
 
// CopyBranch           - Copies all items in a branch to a new location
// Returns              - The new branch node
// htiBranch            - The node that starts the branch
// htiNewParent - Handle of the parent for new branch
// htiAfter             - Item after which the new branch should be created
HTREEITEM CTreeCtrlX::CopyBranch( HTREEITEM htiBranch, HTREEITEM htiNewParent, 
                                                HTREEITEM htiAfter /*= TVI_LAST*/ )
{
        HTREEITEM hChild;

        HTREEITEM hNewItem = CopyItem( htiBranch, htiNewParent, htiAfter );
        hChild = GetChildItem(htiBranch);
        while( hChild != NULL)
        {
                // recursively transfer all the items
                CopyBranch(hChild, hNewItem);  
                hChild = GetNextSiblingItem( hChild );
        }
        return hNewItem;
}



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