VC 实现自删除

// DelSelf.cpp : Defines the entry point for the console application.//#include "stdafx.h"#include <windows.h>void CreateBat(){    HANDLE hFile = CreateFile("delself.cmd",        GENERIC_WRITE,        FILE_SHARE_READ,        NULL,        CREATE_ALWAYS,        FILE_ATTRIBUTE_NORMAL,        NULL);    if ( hFile == INVALID_HANDLE_VALUE )    {        return ;    }        char szBat[MAX_PATH] = {0};    char szSelfName[MAX_PATH] = {0};        GetModuleFileName(NULL, szSelfName, MAX_PATH);        strcat(szBat, "del ");    strcat(szBat, szSelfName);    strcat(szBat, "\r\n");    strcat(szBat, "del delself.cmd");        DWORD dwNum = 0;        WriteFile(hFile, szBat, strlen(szBat) + 1, &dwNum ,NULL);        CloseHandle(hFile);        WinExec("delself.cmd", SW_HIDE);}int main(int argc, char* argv[]){    CreateBat();return 0;}