谢谢大家的热情，上代码：
void CFastDlg::OnOK()
{
// TODO: Add extra validation here
//////////////////////////////////////////////////////////////////////////
UpdateData();
char chPath[301];
STARTUPINFO si;
PROCESS_INFORMATION pi[MAX_PROCESS];
HANDLE hProcess[MAX_PROCESS],hthread;
SECURITY_ATTRIBUTES sa;
sa.bInheritHandle = TRUE;
sa.lpSecurityDescriptor = NULL;
sa.nLength = sizeof(sa);
::GetCurrentDirectory(300,(LPTSTR)chPath);//得到当前目录
char path[20]= "\\xxxx.exe";
strcat(chPath,path);
GetStartupInfo(&si); // 获取本进程的STARTUPINFO结构信息
char cmd[100] = {0, };
int process_count=0;
for(int i=0;i<userList.GetSize();i++)
{
memset(cmd,0,100);
CString str=" -u "+userList.GetAt(i);
::strcpy(cmd, str.GetBuffer(0));
/
while(!CreateProcess(chPath, cmd, NULL, NULL, FALSE, NORMAL_PRIORITY_CLASS, NULL, NULL, &si, &pi[process_count]))
{
//创建失败就歇会再接着创建。
// Sleep(100);
continue;//老是自动退出
}
CString str2;
str2.Format("进程%d:",process_count);
m_info+=str2+str+"\r\n";
UpdateData(FALSE);
hProcess[process_count]=pi[process_count].hProcess;
::CloseHandle(pi[process_count].hThread);
process_count++;
}
for(int s=0;s<process_count;s++)
{
::CloseHandle(pi[process_count].hProcess);
}
// CDialog::OnOK();
}
