试试这个~:),创建互斥元
hMutex := CreateMutex(nil, False, nil);if WaitForSingleObject(frmMain.hMutex, INFINITE) = WAIT_OBJECT_0 then
GatherDoorData;
ReleaseMutex(frmMain.hMutex);
hMutex := CreateMutex(nil, False, nil);if WaitForSingleObject(frmMain.hMutex, INFINITE) = WAIT_OBJECT_0 then
GatherDoorData;
ReleaseMutex(frmMain.hMutex);
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货