A File Checksum Shell Menu Extension DLL

// Test 6.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"

#include <windows.h>

#include <iostream>
#include <string>

int main(int argc, char* argv[])
{
    // Open the clipboard
    if( FALSE == OpenClipboard( NULL ) ) 
        { return false; }
    
    // Empty Data...
    EmptyClipboard();

    HGLOBAL hClipboardText = NULL;
    std::wstring text = L"Albert Einstein said, Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.";
 
    // Allocate memory for the text
    hClipboardText = GlobalAlloc(GMEM_DDESHARE,
                                (text.length() + 1) * sizeof( wchar_t ) ); 


    if( NULL == hClipboardText ) 
    { 
        CloseClipboard(); 
        return -1; 
    }

    wchar_t* pClipboardText = static_cast<wchar_t*>( GlobalLock( hClipboardText ) );

    try
    {
        memcpy( pClipboardText, text.c_str(), text.length() * sizeof( wchar_t ) );

        // Assure NULL termination
        pClipboardText[ text.length() ] = L'\0';
    }

    catch( ... )
    {
        CloseClipboard();
 
        return -1;
    }

    std::wcout << L"Clipboard Text:" << std::endl << text << std::endl;

    GlobalUnlock( hClipboardText );

    // Place the text on the clipboard. 
    bool result = ( FALSE != SetClipboardData( CF_UNICODETEXT, hClipboardText ) );

    CloseClipboard();

    return 0;
}