com.cpp

这个是基于minifilter过滤驱动架构的,关于驱动层与应用程序通信的代码的应用程序部分的DEMO,是使用DOS界面,输入一个文件名,可以隐藏指定文件的文件过滤驱动的应用层实现代码,可以编译通过

// Com.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <FltUser.h>

#define COMM_PORT_NAME  L"\\CommPort";

typedef enum _READ_DIR_COMMAND { 
     FStart 
} READ_DIR_COMMAND; 

struct READ_DIR_MESSAGE { 
     READ_DIR_COMMAND Command; 
}; 



int main(int argc, char* argv[])
{
	HRESULT hResult = S_OK;
	HANDLE port = INVALID_HANDLE_VALUE;
	DWORD bytesReturned = 0;
	READ_DIR_MESSAGE command;

	command.Command = FStart;

	//hResult = FilterConnectCommunicationPort(COMM_PORT_NAME, 0, NULL, 0, NULL, &port);
	hResult = FilterConnectCommunicationPort(L"\\CommPort", 0,NULL,0,NULL,&port ); 


    if (IS_ERROR( hResult )) {

        printf( "Could not connect to filter: 0x%08x\n", hResult );
        return 0;
    }
	else
	{
		printf("connect ok \n");
	}

	hResult = FilterSendMessage( port, &command, sizeof(READ_DIR_COMMAND), 0, 0, &bytesReturned ); 

	return 0;
}