#include "stdafx.h"

int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
	//指定要读取文件的属性
	CString strPath = "d:\\test.txt";
	DWORD dwAttrs = GetFileAttributes(strPath);

	//空32，只读33，隐藏34，只读隐藏35
	if (dwAttrs & FILE_ATTRIBUTE_READONLY  && (dwAttrs < 34))
	{
		//去掉文件只读属性
		dwAttrs &= 0x3E;
		SetFileAttributes(strPath, dwAttrs);

		printf("File '%s' readonly attr is removed.\n", strPath);
	}
	else
	{
		//文件加上只读属性
		SetFileAttributes(strPath, FILE_ATTRIBUTE_READONLY);

		printf("File '%s' add readonly attr success.\n", strPath);
	}

	return 0;
}