procedure TForm1.Button1Click(Sender: TObject); begin messagebox(handle,'test','test',MB_YESNOCANCEL ); end;
if messagedlg('select',mtinformation,[mbyes,mbno,mbcancel],0)=mryes then begin end else if messagedlg('select',mtinformation,[mbyes,mbno,mbcancel],0)=mrno then begin end else begin end;
begin
messagebox(handle,'test','test',MB_YESNOCANCEL );
end;
begin
end
else if messagedlg('select',mtinformation,[mbyes,mbno,mbcancel],0)=mrno then
begin
end
else
begin
end;