procedure TForm1.Image1MouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
var iDeltaX,iDeltaY:integer;
begin
if ssLeft in Shift then
begin
iDeltaX:= X - iX0;
iDeltaY:= Y- iY0;
if iDeltaX<>0 then
Image1.Left:=Image1.Left+iDeltaX;
if iDeltaY<>0 then
Image1.Top:=Image1.Top+iDeltaY;
end;
end;