LABWindows⼀CVI计时功能如何完成 如图所示,怎么写程序。。。。回答采纳后追加悬赏啊

2025-06-21 08:39:35
推荐回答(1个)
回答1:

TIMER的CALLBACK函数1秒调用1次,用个全局变量记住,并更新时分秒(
ResetTextBox(handle, PANEL_TIME_SUM, "");
SetCtrlAttribute (handle, PANEL_TIME_SUM,ATTR_CTRL_VAL ,DisplayTime);
),点击按钮时SetCtrlAttribute (handle, PANEL_TIMER, ATTR_ENABLED, 0); 清全局变量;SetCtrlAttribute (handle, PANEL_TIMER, ATTR_ENABLED, 1);