Code:

procedure CopyButtonClick(Sender: TObject);

begin

if ActiveControl is TMemo then

   TMemo(ActiveControl).CopyToClipboard;

if ActiveControl is TDBMemo then

   TDBMemo(ActiveControl).CopyToClipboard;

if ActiveControl is TEdit then

   TEdit(ActiveControl).CopyToClipboard;

if ActiveControl is TDBedit then

   TDBedit(ActiveControl).CopyToClipboard;

end;

procedure PasteButtonClick(Sender: TObject);

begin

if ActiveControl is TMemo then

   TMemo(ActiveControl).PasteFromClipboard;

if ActiveControl is TDBMemo then

   TDBMemo(ActiveControl).PasteFromClipboard;

if ActiveControl is TEdit then

   TEdit(ActiveControl).PasteFromClipboard;

if ActiveControl is TDBedit then

   TDBedit(ActiveControl).PasteFromClipboard;

end;