==============================ModuleC=====================================
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|  The program examples' source codes have been arranged in the same      |
|  order that appeared in the Tutorial. This is unedited and unverified   |
|  compilation. Published as is basis for educational, reacretional and   |
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|  exist, are the sole property of their respective owner and/or          |
|  holder. Any damage or loss by using the materials presented in this    |
|  tutorial is USER responsibility. Part or full distribution,            |
|  reproduction and modification is granted to any body.                  |
|     Copyright 2003-2005 © Tenouk, Inc. All rights reserved.		  |
|          Distributed through http://www.tenouk.com			        |
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===========================================================================

Compiled using VC++/VC++ .Net.....unmanaged...


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

int main()
{
//handle for file
HANDLE hFile; 
//file and path
char fname[30] = "c:\\testfile.txt";
DWORD lpdwFlags[100];

hFile = CreateFile(fname,           // file to be opened 
                GENERIC_WRITE,      // open for writing 
                FILE_SHARE_WRITE,   // share for writing 
                NULL,               // default security 
                CREATE_ALWAYS,      // create new file only 
                FILE_ATTRIBUTE_NORMAL |FILE_ATTRIBUTE_ARCHIVE | SECURITY_IMPERSONATION,
			// normal file archive and impersonate client 
                NULL);              // no attr. template 
 
if(hFile == INVALID_HANDLE_VALUE) 
    printf("Could not open %s file, error %d\n", fname, GetLastError());

printf("File's HANDLE is OK!\n");
BOOL test = GetHandleInformation(hFile, lpdwFlags);
printf("The return value is %d, error %d\n", test, GetLastError());

CloseHandle(hFile);
DeleteFile(fname);
return 0;
}

---------------------------------------------------------------------------------------------------

#include <windows.h>
#include <stdio.h>
#define BUFSIZE 2048 
 
int main() 
{ 
   char chrBuf[BUFSIZE]; 
   DWORD dwRead, dwWritten; 
   HANDLE hStdin, hStdout; 
   BOOL fSuccess;
 
   //Standard output handle 
   hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
   //Standard input handle 
   hStdin = GetStdHandle(STD_INPUT_HANDLE);
   //If something wrong with handle for standard input or output
   if((hStdout == INVALID_HANDLE_VALUE) || (hStdin == INVALID_HANDLE_VALUE))
   //Just exit
   exit(1); 

   printf("Waiting data from standard input:\n");
   printf("--EOF to end--\n");
   
   //To stop, press end of file characters
   for(;;) 
   { 
   //Read from standard input, keyboard. 
   fSuccess = ReadFile(hStdin, chrBuf, BUFSIZE, &dwRead, NULL); 
   if(!fSuccess || dwRead == 0) 
   break; 
   
   printf("Data to the standard output:\n");
   //Write to standard output, console. 
   fSuccess = WriteFile(hStdout, chrBuf, dwRead, &dwWritten, NULL); 
   if(!fSuccess) 
   break;
   } 
   return 0;
}

---------------------------------------------------------------------------------------------------

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

char szlongpath[100] = "C:\\Documents and Settings\\All Users";
char szshortpath[100];
char buffer = 100;

int main()
{
	DWORD test = GetShortPathName(
  		szlongpath,
  		szshortpath,
  		buffer
);

printf("The long path name   = %s, the error is %d\n", szlongpath, GetLastError());
printf("The short path name  = %s, the error is %d\n", szshortpath, GetLastError());
printf("The length in TCHARs = %d, the error is %d\n", test, GetLastError());

return 0;
}

---------------------------------------------------------------------------------------------------

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

int main()
{
char lpFileName[20] = "module20.txt";
char lpBuffer[50];
LPSTR *lpFilePart = NULL;

DWORD test = GetFullPathName(
  lpFileName,
  100,
  lpBuffer,
  lpFilePart
);

printf("The %s\'s path is %s.\n", lpFileName, lpBuffer);
return 0;
}

---------------------------------------------------------------------------------------------------

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

int main()
{
//handle for file
HANDLE hFile; 
//file and path
char fname[30] = "c:\\testfile.txt";

hFile = CreateFile(fname,           //file to be opened 
                GENERIC_WRITE,      //open for writing 
                FILE_SHARE_WRITE,   //share for writing 
                NULL,               //default security 
                CREATE_ALWAYS,      //create new file only 
                FILE_ATTRIBUTE_NORMAL |FILE_ATTRIBUTE_ARCHIVE | SECURITY_IMPERSONATION,
			//normal file archive and impersonate client 
                NULL);              //no attribute template 
 
if(hFile == INVALID_HANDLE_VALUE) 
    printf("Could not open %s file, error %d\n", fname, GetLastError());
else
{
	printf("File's HANDLE is OK!\n");
	printf("%s opened successfully!\n", fname);
}
if(CloseHandle(hFile) != 0)
	printf("CloseHandle() succeeded!\n");

if(DeleteFile(fname) != 0)
	printf("%s file successfully deleted!\n", fname);

return 0;
}

==========================================================================================================