CVI的ring控件怎麽實現選擇讀取的文件？

int selectindex;

GetCtrlIndex(panelHandle, PANEL_RING, &selectindex);

GetLabelFromIndex (panelHandle, PANEL_RING, selectindex, (void *)buf);

MessagePopup("選擇項為", buf);

然後妳就去strcpy strcat 拼個文件路徑字符串出來 ，stdio.h fopen ....吧