C++ CopyFile()

关于CopyFile function，参考：https://msdn.microsoft.com/en-us/library/windows/desktop/aa363851(v=vs.85).aspx

IDE: Code::Blocks 16.01

操作系统：Windows 7 x64

#include <windows.h>
#include <stdio.h>

int main()
{
    DWORD dwError;

    if(CopyFile("H:\C++\NewDirectory\file.txt", "H:\C++\NewDirectory\del.bat", FALSE)) {
        printf("Copy file succeeds. 
");
    }
    else {
        dwError = GetLastError();
        switch(dwError) {
        case ERROR_FILE_NOT_FOUND:
            printf("The source file does not exist. 
");
            printf("Error: %ld 
", dwError);
            break;
        default:
            printf("The new file already exists. 
");
            printf("Error: %ld 
", dwError);
            break;
        }
    }

    return 0;
}

IDE: Microsoft Visual Studio Community 2017 15.5.2

操作系统：Windows 7 x64

#include "stdafx.h"    /* IDE自行创建的 */

#include <windows.h>

int main(int argc, char **argv)
{
    DWORD dwError;

    if (CopyFile(L"H:\C++\NewDirectory\file.txt", L"H:\C++\NewDirectory\del.bat", FALSE)) {
        printf("Copy file succeeds. 
");
    }
    else {
        dwError = GetLastError();
        switch (dwError) {
        case ERROR_FILE_NOT_FOUND:
            printf("The source file does not exist. 
");
            printf("Error: %ld 
", dwError);
            break;
        default:
            printf("The new file already exists. 
");
            printf("Error: %ld 
", dwError);
            break;
        }
    }

    getchar();

    return 0;
}

功能：将位于H:C++NewDirectory目录中的源文件file.txt，复制到H:C++NewDirectory目录中，并命名为del.bat。