A File Checksum Shell Menu Extension DLL

#include "stdafx.h"

int main(int argc, char* argv[])
{
    int count = CountClipboardFormats();
    _tcout << count << _T(" formats available on the clipboard:") << endl << endl;  

    if( TRUE == OpenClipboard( NULL ) )
    {
        UINT format = 0;
        
        while( 0 != ( format = EnumClipboardFormats( format ) ) )
        {
            switch( format )
            {
                case CF_BITMAP:
                    _tcout << _T("  CF_BITMAP") << endl;
                    break;

                case CF_DIB:
                    _tcout << _T("  CF_DIB") << endl;
                    break;

                case CF_DIBV5:
                    _tcout << _T("  CF_DIBV5") << endl;
                    break;

                case CF_DIF:
                    _tcout << _T("  CF_DIF") << endl;
                    break;

                case CF_DSPBITMAP:
                    _tcout << _T("  CF_DSPBITMAP") << endl;
                    break;

                case CF_DSPENHMETAFILE:
                    _tcout << _T("  CF_DIB") << endl;
                    break;

                case CF_DSPMETAFILEPICT:
                    _tcout << _T("  CF_DSPMETAFILEPICT") << endl;
                    break;

                case CF_DSPTEXT:
                    _tcout << _T("  CF_DSPTEXT") << endl;
                    break;

                case CF_ENHMETAFILE:
                    _tcout << _T("  CF_ENHMETAFILE") << endl;
                    break;

                case CF_HDROP:
                    _tcout << _T("  CF_HDROP") << endl;
                    break;

                case CF_LOCALE:
                    _tcout << _T("  CF_LOCALE") << endl;
                    break;

                case CF_METAFILEPICT:
                    _tcout << _T("  CF_METAFILEPICT") << endl;
                    break;

                case CF_OEMTEXT:
                    _tcout << _T("  CF_OEMTEXT") << endl;
                    break;

                case CF_PALETTE:
                    _tcout << _T("  CF_PALETTE") << endl;
                    break;

                case CF_PENDATA:
                    _tcout << _T("  CF_PENDATA") << endl;
                    break;

                case CF_RIFF:
                    _tcout << _T("  CF_RIFF") << endl;
                    break;

                case CF_SYLK:
                    _tcout << _T("  CF_SYLK") << endl;
                    break;

                case CF_TEXT:
                    _tcout << _T("  CF_TEXT") << endl;
                    break;

                case CF_WAVE:
                    _tcout << _T("  CF_OWNERDISPLAY") << endl;
                    break;

                case CF_TIFF:
                    _tcout << _T("  CF_TIFF") << endl;
                    break;

                case CF_UNICODETEXT:
                    _tcout << _T("  CF_UNICODETEXT") << endl;
                    break;

                default:

                    if( format >= CF_GDIOBJFIRST && format <= CF_GDIOBJLAST )
                    {
                        _tcout << _T("  CF_GDIOBJFIRST + ") << format - CF_GDIOBJFIRST << endl;
                    }
                    else
                    if( format >= CF_PRIVATEFIRST && format <= CF_PRIVATELAST )
                    {
                        _tcout << _T("  CF_PRIVATEFIRST + ") << format - CF_PRIVATEFIRST << endl;
                    }
                    else
                    {
                        _tcout << _T("  Format ") << format;

                        TCHAR FormatName[ MAX_PATH + 1 ];
                        if( 0 != GetClipboardFormatName( format, FormatName, MAX_PATH ) )
                        {
                            _tcout << _T(" (") << FormatName << _T(")");
                        }

                        _tcout << endl;
                    }

                    break;
            }
        
        } // while( 0 != format );

        CloseClipboard( );
    }

    return 0;
}