file.h

DES写的文件加密软件,可以用于对整个文件进行加密并且设定加密密码来网络传输!

#include <windows.h>
//#include "work.h"


bool OpenFileDlg(HWND hwnd,char szPath[MAX_PATH])   //该函数打开打开文件对话框
{

	OPENFILENAME ofn;
	memset(&ofn, 0, sizeof(ofn));
	ofn.lStructSize=sizeof(ofn);
	ofn.hInstance=GetModuleHandle(NULL);
	ofn.lpstrFileTitle="选择加密文件";
	ofn.hwndOwner=hwnd;
	ofn.Flags            =OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST | OFN_HIDEREADONLY;
	ofn.nMaxFile         =MAX_PATH;
	ofn.lpstrInitialDir  =".";
	ofn.lpstrFile        =szPath;
	ofn.lpstrFilter="文本文件(*.txt)\0*.txt\0All files(*.*)\0*.*\0\0"; 
	ofn.nFilterIndex=1;
	if(GetOpenFileName(&ofn))
		return true;
	else 
		return false;
}

bool SaveFileDlg(HWND hwnd,char szPath[MAX_PATH])   //保存文件对话框
{

	
	OPENFILENAME ofn;
	memset(&ofn,0,sizeof(ofn));
	ofn.lStructSize=sizeof(ofn);
	ofn.hInstance=GetModuleHandle(NULL);
	ofn.lpstrFileTitle="选择保存路径";
	ofn.hwndOwner=hwnd;
	ofn.Flags=OFN_OVERWRITEPROMPT |OFN_EXTENSIONDIFFERENT;
	ofn.nMaxFile=MAX_PATH;
	ofn.lpstrInitialDir=".";
	ofn.lpstrFile=szPath;
	ofn.lpstrDefExt="txt";
	ofn.lpstrFilter="文本文件(*.txt)\0*.txt\0All files(*.*)\0*.*\0\0"; 
	ofn.nFilterIndex=1;
	if(GetSaveFileName(&ofn))
		return true;
	else
		return false;
}