创建设一个开机自动运行的计划任务,并且命名和当前登陆用户名相关

　　很多时候，有些程序希望它开机自动运行。当然实现的方式有很多种，如：注册表项、开始-程序-启动文件夹、计划任务、系统服务程序等等。

　　然而，计划任务是一般用户了解最少的一种。并且前两种是很容易修改和通过杀毒软件禁用的。

【This code is Task schedul 1.0 for Win XP】整理来自官网示例：http://msdn.microsoft.com/en-us/library/windows/desktop/aa383581(v=vs.85).aspx

#include <windows.h>
#include <initguid.h>
#include <ole2.h>
#include <mstask.h>
#include <msterr.h>
#include <objidl.h>
#include <wchar.h>
#include <stdio.h>


void WGetUserName(WCHAR * username, int len)
{
    // Get and display the name of the computer.
    char   szName[255]; 
    ULONG   nLen=sizeof(szName); 
    ::GetUserNameA(szName,&nLen);

    for(unsigned int i = 0; i < strlen(szName); i++)
    {
        username[i] = szName[i];
    }
    username[strlen(szName)] = '\0';
}



int main(int argc, char **argv)
{
    HRESULT hr = S_OK;
    ITaskScheduler *pITS;


    /////////////////////////////////////////////////////////////////
    // Call CoInitialize to initialize the COM library and then 
    // call CoCreateInstance to get the Task Scheduler object. 
    /////////////////////////////////////////////////////////////////
    hr = CoInitialize(NULL);
    if (SUCCEEDED(hr))
    {
        hr = CoCreateInstance(CLSID_CTaskScheduler,
            NULL,
            CLSCTX_INPROC_SERVER,
            IID_ITaskScheduler,
            (void **) &pITS);
        if (FAILED(hr))
        {
            CoUninitialize();
            return 1;
        }
    }
    else
    {
        return 1;
    }

    /////////////////////////////////////////////////////////////////
    /// Get user name of the computer
    /////////////////////////////////////////////////////////////////
    WCHAR username[512];
    memset(username, 0, sizeof(username));
    WGetUserName(username, sizeof(username));

    /////////////////////////////////////////////////////////////////
    // Call ITaskScheduler::NewWorkItem to create new task.
    /////////////////////////////////////////////////////////////////
    WCHAR pwszTaskName[512] = L"Veno Server WD_TEST_";
    ITask *pITask;

    wcscat(pwszTaskName, username);
    hr = pITS->NewWorkItem(pwszTaskName,         // Name of task
        CLSID_CTask,          // Class identifier 
        IID_ITask,            // Interface identifier
        (IUnknown**)&pITask); // Address of task 
    //    interface


    pITS->Release();                               // Release object
    if (FAILED(hr))
    {
        CoUninitialize();
        fprintf(stderr, "Failed calling NewWorkItem, error = 0x%x\n",hr);
        return 1;
    }

    ///////////////////////////////////////////////////////////////////
    // Call ITask::SetApplicationName to specify the Application name
    // for Test Task.
    ///////////////////////////////////////////////////////////////////
    LPCWSTR pwszApplicationName = L"C:\\Windows\\System32\\notepad.exe "; 
    hr = pITask->SetApplicationName(pwszApplicationName);

    if (FAILED(hr))
    {
        wprintf(L"Failed calling ITask::SetApplicationName: ");
        wprintf(L"error = 0x%x\n",hr);
        pITask->Release();
        CoUninitialize();
        return 1;
    }

    /////////////////////////////////////////////////////////////
    ////// set flag Only if logged on /////
    /////////////////////////////////////////////////////////////
    hr = pITask->SetFlags(TASK_FLAG_RUN_ONLY_IF_LOGGED_ON);
    if (FAILED(hr))
    {
        wprintf(L"Failed calling ITask::EditWorkItem, ");
        wprintf(L"error = 0x%x\n",hr);
        CoUninitialize();
        return 1;
    }

    ////////////////////////////////////////////////////////////
    // set username for only for logged on
    hr = pITask->SetAccountInformation( username, NULL); //L"NT AUTHORITY\\SYSTEM"; 
    if (FAILED(hr))
    {
        wprintf(L"Failed calling ITask::SetApplicationName: ");
        wprintf(L"error = 0x%x\n",hr);
        pITask->Release();
        CoUninitialize();
        return 1;
    }


    ///////////////////////////////////////////////////////////////////
    // Call ITask::CreateTrigger to create new trigger.
    ///////////////////////////////////////////////////////////////////

    ITaskTrigger *pITaskTrigger;
    WORD piNewTrigger;
    hr = pITask->CreateTrigger(&piNewTrigger,
        &pITaskTrigger);
    if (FAILED(hr))
    {
        wprintf(L"Failed calling ITask::CreatTrigger: ");
        wprintf(L"error = 0x%x\n",hr);
        pITask->Release();
        CoUninitialize();
        return 1;
    }


    //////////////////////////////////////////////////////
    // Define TASK_TRIGGER structure. Note that wBeginDay,
    // wBeginMonth, and wBeginYear must be set to a valid 
    // day, month, and year respectively.
    //////////////////////////////////////////////////////

    TASK_TRIGGER pTrigger;
    ZeroMemory(&pTrigger, sizeof (TASK_TRIGGER));

    // Add code to set trigger structure?
    pTrigger.wBeginDay =1;                  // Required
    pTrigger.wBeginMonth =1;                // Required
    pTrigger.wBeginYear =1999;              // Required
    pTrigger.cbTriggerSize = sizeof (TASK_TRIGGER); 
    pTrigger.wStartHour = 13;
    pTrigger.TriggerType = TASK_EVENT_TRIGGER_AT_LOGON;   ///TASK_EVENT_TRIGGER_AT_SYSTEMSTART   
    pTrigger.Type.Daily.DaysInterval = 1;


    ///////////////////////////////////////////////////////////////////
    // Call ITaskTrigger::SetTrigger to set trigger criteria.
    ///////////////////////////////////////////////////////////////////

    hr = pITaskTrigger->SetTrigger (&pTrigger);
    if (FAILED(hr))
    {
        wprintf(L"Failed calling ITaskTrigger::SetTrigger: ");
        wprintf(L"error = 0x%x\n",hr);
        pITask->Release();
        pITaskTrigger->Release();
        CoUninitialize();
        return 1;
    }


    ///////////////////////////////////////////////////////////////////
    // Call IPersistFile::Save to save trigger to disk.
    ///////////////////////////////////////////////////////////////////

    IPersistFile *pIPersistFile;
    hr = pITask->QueryInterface(IID_IPersistFile,
        (void **)&pIPersistFile);
    hr = pIPersistFile->Save(NULL,
        TRUE);

    if (FAILED(hr))
    {
        wprintf(L"Failed calling IPersistFile::Save: ");
        wprintf(L"error = 0x%x\n",hr);
        pITask->Release();
        pITaskTrigger->Release();
        pIPersistFile->Release();
        CoUninitialize();
        return 1;
    }

    wprintf(L"The trigger was created and IPersistFile::Save was \n");
    wprintf(L"called to save the new trigger to disk.\n"); 

    ///////////////////////////////////////////////////////////////////
    // Release resources.
    ///////////////////////////////////////////////////////////////////

    pITask->Release();
    pITaskTrigger->Release();
    pIPersistFile->Release();
    CoUninitialize();
    printf("Created task.\n");
    return 0;
}

【The shellexce command is easy for Win 7, and task scheldul 2.0 is also right.】

VOID Win7SchTasks()
{
    TCHAR Location[MAX_PATH];
    TCHAR cmd[255];

    DWORD TapLocLen = 0;

    TapLocLen = GetCurrentDirectory(sizeof(Location),Location);

    if (TapLocLen == 0) 
    {
        printf("GetCurrentDirectory failed!  Error is %d \n", GetLastError());
        return ;
    }

    char temp_path[MAX_PATH];
    if(!GetVenoAppPaths(temp_path, sizeof(temp_path))) //这个函数的功能是得到一个可执文件的路径，可以自己写或者给temp_path赋一个指定的值。
    {
        printf("GetVenoAppPaths failed\n");
        return ;
    }

    sprintf(cmd,"/C schtasks /Create /tn \"Veno Server WD\" /tr \"\'%s\'\" /sc onlogon /rl HIGHEST /F", temp_path);  


    SHELLEXECUTEINFO sei; 
    ZeroMemory (&sei, sizeof (SHELLEXECUTEINFO)); 
    sei.cbSize = sizeof (SHELLEXECUTEINFO); 
    sei.lpVerb = "OPEN";
    sei.lpFile = "cmd.exe";
    sei.lpParameters = cmd;
    sei.nShow = SW_HIDE;
    sei.fMask = SEE_MASK_NOCLOSEPROCESS;

    ShellExecuteEx(&sei); 
    WaitForSingleObject(sei.hProcess, INFINITE);
    printf("Write SchTasks Complete\r\n");
    return;
}

因为在win XP 下ShellExecuteEx 是需要密码才能自动启动，它没有2.0开机启动的命令。而win7 有，所以这个用起来方便点，不过也因此带来其它问题，比如要重复执行，就要先删除再建。