使用API改变树型框背景颜色'PrivateDeclareFunctionSendMessageLib"user32"Alias"SendMessageA"(ByValhwndAsLong,ByValwMsgAsLong,ByValwParamAsLong,ByVallParamAsLong)AsLong'ConstTV－FIRST=＆H1100'ConstTVM－SETBKCOLOR=TV_FIRST＋29'然后再作如下调用：'CallSendMessage(TreeView1.hwnd,TVM－SETBKCOLO