function ClipboardHasText: Boolean;
Returns true, if the clipboard contain text to paste from.
function Clipboard2Text: AnsiString;
If clipboard contains text, this function returns it for You.
function Clipboard2WText: KOLWideString;
If clipboard contains text, this function returns it for You (as Unicode string).
function Text2Clipboard( const S: AnsiString ): Boolean;
Puts given string to a clipboard.
function WText2Clipboard( const WS: KOLWideString ): Boolean;
Puts given Unicode string to a clipboard.