gistfile1.cpp

#include "stdafx.h"
#include <windows.h>
#include <iostream>  
#include <string>


#include <iostream>
#include <string>
#include <time.h>
#include <stdlib.h>
using namespace std;
string random(int len)
{
	string a = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
	string r;
	srand(time(NULL));
	for (int i = 0; i < len; i++) r.push_back(a.at(size_t(rand() % 62)));
	return r;
}
void SetClipboard(char *output)
{
	const size_t len = strlen(output) + 1;
	HGLOBAL hMem = GlobalAlloc(GMEM_MOVEABLE, len);
	memcpy(GlobalLock(hMem), output, len);
	GlobalUnlock(hMem);
	OpenClipboard(0);
	EmptyClipboard();
	SetClipboardData(CF_TEXT, hMem);
	CloseClipboard();
}

int _cdecl _tmain(
	int argc,
	TCHAR *argv[])
{
	char * buffer;
	if (RegisterHotKey(
		NULL,
		1,
		MOD_NOREPEAT,
		0x70))  //0x42 is 'b'
	{
		_tprintf(_T("Hotkey 'ALT+b' registered, using MOD_NOREPEAT flag\n"));
	}

	MSG msg = { 0 };
	while (GetMessage(&msg, NULL, 0, 0) != 0)
	{
		if (msg.message == WM_HOTKEY)
		{
			// Onpress
			char * buffer;
			if (OpenClipboard(NULL))
			{

				buffer = (char*)GetClipboardData(CF_TEXT);
				//do something with buffer here 
				//before it goes out of scope
				std::cout << strlen(buffer);
				std::cout << random(strlen(buffer));
				_tprintf(_T("Randomed\n"));

				SetClipboard(&random(strlen(buffer))[0u]);
				_tprintf(_T("Coppied\n"));
			}
		}
	}

	return 0;
}