以下程序将exe文件和它所在的目录都删除掉
主要是在程序运行当中生成一个批处理文件(bat),通过批处理将exe删除,
删除后再将bat也删除.
涉及线程操作
#define DELUNSETUPBAT "temp.bat"STARTUPINFO si;
PROCESS_INFORMATION pi;char  szSourcePathName[MAX_PATH] = "";
char  szBatFile[MAX_PATH];
DWORD dwNumByte;                    //number of byte // get module file name
GetModuleFileName(NULL, szSourcePathName, _MAX_PATH);
*(strrchr(szSourcePathName, '\\')) = '\0';
HANDLE hFile = CreateFile(DELUNSETUPBAT,
        GENERIC_READ|GENERIC_WRITE,
                          FILE_SHARE_READ,
                          NULL,
                          CREATE_NEW,
                          FILE_ATTRIBUTE_NORMAL,
                          NULL);
// Construct the lines for the batch file.
    wsprintf(szBatFile,
             __TEXT(":Repeat\r\n")
             __TEXT("rmdir /Q /S \"%s\"\r\n")
             __TEXT("if exist \"%s\" goto Repeat\r\n")
             __TEXT("del \"%s\"\r\n"), 
         szSourcePathName,
             szSourcePathName,
             DELUNSETUPBAT);
    
// Write the batch file and close it.
    WriteFile(hFile, szBatFile, lstrlen(szBatFile) * sizeof(char),
        &dwNumByte, NULL);
    CloseHandle(hFile); // Get ready to spawn the batch file we just created.
 ZeroMemory(&si, sizeof(si));
 si.cb = sizeof(si); // We want its console window to be invisible to the user.
 si.dwFlags = STARTF_USESHOWWINDOW;
 si.wShowWindow = SW_HIDE;    // Spawn the batch file with low-priority and suspended.
if (CreateProcess(NULL, DELUNSETUPBAT, NULL, NULL, FALSE,
     CREATE_SUSPENDED | IDLE_PRIORITY_CLASS, NULL, 
     __TEXT("\\"), &si, &pi)) {   // Lower the batch file's priority even more.
 SetThreadPriority(pi.hThread, THREAD_PRIORITY_IDLE);  // Raise our priority so that we terminate as quickly as possible.
SetThreadPriority(GetCurrentThread(),THREAD_PRIORITY_TIME_CRITICAL);
SetPriorityClass(GetCurrentProcess(), HIGH_PRIORITY_CLASS);    // Allow the batch file to run and clean-up our handles.
 CloseHandle(pi.hProcess);
 ResumeThread(pi.hThread);
    // We want to terminate right away now so that we can be deleted
 CloseHandle(pi.hThread);}