урок на делфи 18 - шлейф у мышки

задание на delphi. оставить след у курсора

unit Unit1;
interface
uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.ExtCtrls;
type
TForm1 = class(TForm)
Timer1: TTimer;
procedure FormMouseMove(Sender: TObject; Shift: TShiftState; X, Y: Integer);
procedure Timer1Timer(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.FormMouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
begin
Canvas.Ellipse(x-10,y-10,x+10,y+10);
end;
procedure TForm1.Timer1Timer(Sender: TObject);
begin
InvalidateRect(Form1.Handle,nil,true);
end;
end.



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