1 , , :TEdit, TMemo, TLabel
1.
, Caption (True - ) | ||
/ . | ||
True, | ||
. | ||
. . Add, Delete, Insert , | ||
, | ||
: sbHorizontal - ; sbVertical - | ||
( ) | ||
2. ?
Label3.Caption:=IntToStr(n);
x:=StrToFloat(Edit1.Text);
Memo1.Lines.Add(' max='+FloatToStrF(ma,ffGeneral,8,2));
2 : InputBox, MessageBox, MessageDialog
1
, ShowMessage
252
2 S, InputBox
3
, MessageDlg: , Yes, No, Cancel. , Yes?
4
, MessageBox, Retry, Cancel. , Retry?
3 : , , . TListBox, TStringGrid, TCombobox
1.
. | |||
, | |||
/ | |||
. | |||
Tab (Shifts-Tab) | |||
(ACol.ARow) | |||
Index |
2. ?
|
|
1. StringGrid1.Cells[0,i]:=' i= '+IntToStr(i);
2.StringGrid1.ColCount:=N+1;
3. StringGrid1.RowCount:=N+1;
4. N:= ListBox1. ItemIndex
5. ListBox1. Items.Add(ListBox1. Item[i]);
4 : , , . TButton, TBitBtn, TSpeedButton, TRadioButton
1.
True, OnClick Esc | ||
True, OnClick Enter | ||
False, | ||
, | ||
TButton, | ||
mrXXX: bkOk -mrOk, | ||
, | ||
, , . |
2. ?
If RadioButton1. Checked Then Memo1.Lines.Add( );
3. BitBtn?
4 SpeedButton?
5 : , , . TRadioButton, TheckBox, TRadioGroup
1.
() | ||
/. | ||
. | ||
- | ||
. () () | ||
. | ||
, . |
2. ?
|
|
if CheckBox1.Checked then
case RadioGroup1.ItemIndex of
0: u:=cos(x);
1: u:=sin(x);
2: u:=sin(x)/cos(x);
end;
6 : , , . TShape, TImage,TPaintBox
1.
Canvas. | ||
Delphi : , . | ||
, , | ||
, , , () . | ||
, | ||
Ellipse | ||
Polygon | ||
, Tbitmap. | ||
, | ||
2. , PaintBox
3. , PaintBox
4. , PaintBox
5. , PaintBox
6.
7. , Shape
7 : , , . TMainMenu, TPopUpMenu
1.
TMainMenu, TPopUpMenu? | |
? | |
? ? | |
? | |
? | |
? | |
? |
8 : , , .TOpenDialog, TSaveDialog, TColorDialog, TOpenPictureDialog, TSavePictureDialogTPrinterSetupDialog, TPrinterDialog
1.
Device | ||
, | ||
() , . | ||
. | ||
. | ||
. | ||
. |
2. ?
|
|
SaveDialog1.Execute
FileName:= OpenDialog1.FileName
3. . OpenDialog
3