Random

function Random():Extended;

The random function generates random numbers. These can be floating-point numbers in the following range:
0 <= Number < 1.0

It can be used by calling as follows. This call will generate a decimal random number value between 0 and 1.

x := Random();

If you want to get an integer value, define it as follows. Here it will return a random value between 0 and 100. After that, you can get values ​​as you want.

x := Random() * 100;

Example:

var
 MyForm:TclForm;
 btnShow : TclButton;

procedure randomNumber
 var number:Float;
 begin
   number := Random() * 100; 
   ShowMessage(IntToStr(number));
 end;

begin
 MyForm := TclForm.Create(Self);

 btnShow:= MyForm.AddNewButton(MyForm,'btnShow','Random');
 btnShow.TextSettings.Font.Size:=50;
 btnShow.Align := alCenter;
 btnShow.Height := 50;
 btnShow.Width := 100;
 MyForm.AddNewEvent(btnShow,tbeOnClick,'randomNumber');

 MyForm.Run;
end;