//---------------------------------------------------------------------------
void __fastcall TForm1::GetChildNodes(TTreeNode *ANode) //根據(jù)某個節(jié)點(diǎn)得到所有的子節(jié)點(diǎn)
{
        TTreeNode *vNode;
        vNode=ANode->getFirstChild();
        while(vNode)
        {
                ShowMessage(vNode->Text);//處理查找到的子節(jié)點(diǎn)
                vNode=ANode->GetNextChild(vNode);
        }
}

void __fastcall TForm1::GetAllChildNodes(TTreeNode *ANode)//根據(jù)某個節(jié)點(diǎn)得到所有的子節(jié)點(diǎn)的遞歸處理過程
{
        TTreeNode *vNode;
        vNode=ANode->getFirstChild();
        while(vNode)
        {
                ShowMessage(vNode->Text);//處理查找到的子節(jié)點(diǎn)//先序訪問
                GetAllChildNodes(vNode);//遞歸調(diào)用
                vNode=ANode->GetNextChild(vNode);
        }
}
void __fastcall TForm1::VisitAllNodes(TTreeView *ATreeView)//遞歸訪問所有節(jié)點(diǎn)
{
        TTreeNode *vNode = NULL;
        vNode=ATreeView->Items->GetFirstNode();
        while(vNode)
        {
                ShowMessage(vNode->Text);//處理查找到的根節(jié)點(diǎn)
                GetAllChildNodes(vNode);
                vNode=vNode->getNextSibling();
        }
}