TSpinButton
| OnDownClick OnUpClick, . |
TolorGrid
| 16- . BackGroundIndex , GridOrdering . |
16
: Up, Down.
procedure TForm1.SpinButton1DownClick(Sender: TObject);
begin
edit2.text:='Down'
end;
procedure TForm1.SpinButton1UpClick(Sender: TObject);
begin
edit2.text:='Up'
end;
:
, .
Dialogs
TOpenDialog TSaveDialog
.
| FileName | (TOpenDialog) (TSaveDialog) |
| Filter | |
| DefaultExt | , |
| Files | , |
17
.
1. TOpenDialog, TButton TMemo.
2. .
3. Procedure TForm1.Button1Click (Sender: TObject);
Begin
//
OpenDialog1.Filter:= |*.txt|+Bat |*.bat|;
//
If OpenDialog1.Execute and FileExists(OpenDialog1.FileName) then
//
// Memo
Memo1.Lines.LoadFromFile (OpenDialog1.FileName)
End;
1
1. 3 a, b, c.
2. s=1/(p+2)+ 2/(p+2)++ p/(p+2)
3. . .
4. . 10.
2
1. a, b, c, d.
2. s=1+1/2+1/3++1/k
3. . +, -, *, /
4. . 5.
3
1. a, b, c.
: a*b*c.
2. s=1+1/4+1/9++1/n2
3. . * +.
4. . 0.
4*
1. (x1, y1). (x2, y2), (x3, y3), (x4, y4).
|
|
|
2. s=(1+3+5++2n-1)2-(2+4+6++2n)3
3. . .
4. . :
| ... | |||
| n | n | n | n |
1. Delphi 7. ./ . ... .: , 2003.
2. . . Object Pascal Delphi 5. . . 1999.
3. .. Delphi 7. ., 2004.
4. .. - . ., 1990.
5. ./ . .. . ., 2003.
6. .., .., .. . ., 1999.
7. .. . ., 2003. ., . . ., 2000.
8. ., ., . . ., 2002.
9. .. Delphi. . ., 2004.
10. .. Turbo Pascal 7.0. . . 7-, . .: , 2000.
