Delphi Verification Code Image generation, modified from "Celebrities: 517165547"

function Generateverifycode (var code:string): Tbitmap;
Var
I,j,k:integer;
Vpoint:tpoint;
Vleft:integer;
Arrstr:array [1..36]of string;
Vcodebmp:tbitmap;
pwdimgstr:string;
Begin
Pwdimgstr:= ";
arrstr[1]:= ' 0 '; arrstr[2]:= ' 1 '; arrstr[3]:= ' 2 '; arrstr[4]:= ' 3 ';
arrstr[5]:= ' 4 '; arrstr[6]:= ' 5 '; arrstr[7]:= ' 6 '; arrstr[8]:= ' 7 ';
arrstr[9]:= ' 8 '; arrstr[10]:= ' 9 '; arrstr[11]:= ' A '; arrstr[12]:= ' B ';
arrstr[13]:= ' C '; arrstr[14]:= ' D '; arrstr[15]:= ' E '; arrstr[16]:= ' F ';
arrstr[17]:= ' G '; arrstr[18]:= ' H '; arrstr[19]:= ' I '; arrstr[20]:= ' J ';
arrstr[21]:= ' K '; arrstr[22]:= ' L '; arrstr[23]:= ' M '; arrstr[24]:= ' N ';
arrstr[25]:= ' O '; arrstr[26]:= ' P '; arrstr[27]:= ' Q '; arrstr[28]:= ' R ';
arrstr[29]:= ' S '; arrstr[30]:= ' T '; arrstr[31]:= ' U '; arrstr[32]:= ' V ';
arrstr[33]:= ' W '; arrstr[34]:= ' X '; arrstr[35]:= ' Y '; arrstr[36]:= ' Z ';
For J:=1 to 4 do
Begin
Randomize;
K:=strtoint (Format ('%.1d ', [Random (36)]));
Pwdimgstr:=pwdimgstr+trim (Arrstr[k])
End
vleft:=10;
Vcodebmp:=tbitmap.create;
Vcodebmp. width:=73;
Vcodebmp. height:=25;

For i:= 1 to Length (PWDIMGSTR) do
Begin
With Vcodebmp do
Begin
Canvas.Font.Size: = Random (10) + 9;

Canvas.Font.Color: = RGB (Random () and $C 0,
Random (n) and $C 0,random and $C 0);
If Random (2) =1 Then
Canvas.Font.Style: = [Fsbold]
else Canvas.Font.Style: = [];
Begin
Canvas.Font.Name: = screen.fonts[10];
Vpoint.x: = Random (4) + vleft;
Vpoint.y: = Random (5);
Canvas.textout (Vpoint.x,vpoint.y,pwdimgstr[i]);
Vleft: = Vpoint.x + canvas.textwidth (Pwdimgstr[i]);
End
End
End
CODE:=PWDIMGSTR;
Result:= vcodebmp;

End

Delphi Verification Code Image generation, modified from "Celebrities: 517165547"