HANDLE hMutex;
hMutex=CreateMutex(
NULL,//no security attributes
FALSE,//initially not owned
"SiciMoboInitial");//命名Mutex是全局对象
//在所有的process都可以访问到 CreateMutex
if(ERROR_ALREADY_EXISTS==::GetLastError())
{
//程序第二次或以后运行时,会得到Mutex已经创建的错误
//return FALSE;
//ShowMessage("run two");
exit(1);
}