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| --------------------------------------------------------------------------------
{НАЧАЛО OWNERDRW.PAS}
unit Ownerdrw;
interface
uses
SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics, Controls,
Forms, Dialogs, StdCtrls;
type
TForm1 = class(TForm)
ComboBox1: TComboBox;
ListBox1: TListBox;
procedure FormCreate(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
procedure ComboBox1DrawItem(Control: TWinControl; Index: Integer;
Rect: TRect; State: TOwnerDrawState);
procedure ComboBox1MeasureItem(Control: TWinControl; Index:
Integer;
var Height: Integer);
procedure ListBox1DrawItem(Control: TWinControl; Index: Integer;
Rect: TRect; State: TOwnerDrawState);
procedure ListBox1MeasureItem(Control: TWinControl; Index:
Integer;
var Height: Integer);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
TheBitmap1, TheBitmap2, TheBitmap3, TheBitmap4,
TheBitmap5 : TBitmap;
implementation
{$R *.DFM}
procedure TForm1.FormCreate(Sender: TObject);
begin
TheBitmap1 := TBitmap.Create;
TheBitmap1.LoadFromFile('C:\delphi\images\buttons\globe.bmp');
TheBitmap2 := TBitmap.Create;
TheBitmap2.LoadFromFile('C:\delphi\images\buttons\video.bmp');
TheBitmap3 := TBitmap.Create;
TheBitmap3.LoadFromFile('C:\delphi\images\buttons\gears.bmp');
TheBitmap4 := TBitmap.Create;
TheBitmap4.LoadFromFile('C:\delphi\images\buttons\key.bmp');
TheBitmap5 := TBitmap.Create;
TheBitmap5.LoadFromFile('C:\delphi\images\buttons\tools.bmp');
ComboBox1.Items.AddObject('Изображение1: Глобус', TheBitmap1);
ComboBox1.Items.AddObject('Изображение2: Видео', TheBitmap2);
ComboBox1.Items.AddObject('Изображение3: Механизм', TheBitmap3);
ComboBox1.Items.AddObject('Изображение4: Ключ', TheBitmap4);
ComboBox1.Items.AddObject('Изображение5: Инструмент', TheBitmap5);
ListBox1.Items.AddObject('Изображение1: Глобус', TheBitmap1);
ListBox1.Items.AddObject('Изображение2: Видео', TheBitmap2);
ListBox1.Items.AddObject('Изображение3: Механизм', TheBitmap3);
ListBox1.Items.AddObject('Изображение4: Ключ', TheBitmap4);
ListBox1.Items.AddObject('Изображение5: Инструмент', TheBitmap5);
end;
procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction);
begin
TheBitmap1.Free;
TheBitmap2.Free;
TheBitmap3.Free;
TheBitmap4.Free;
TheBitmap5.Free;
end;
procedure TForm1.ComboBox1DrawItem(Control: TWinControl; Index:
Integer;
Rect: TRect; State: TOwnerDrawState);
var
Bitmap: TBitmap;
Offset: Integer;
begin
with (Control as TComboBox).Canvas do
begin
FillRect(Rect);
Bitmap := TBitmap(ComboBox1.Items.Objects[Index]);
if Bitmap <> nil then
begin
BrushCopy(Bounds(Rect.Left + 2, Rect.Top + 2, Bitmap.Width,
Bitmap.Height), Bitmap, Bounds(0, 0, Bitmap.Width,
Bitmap.Height), clRed);
Offset := Bitmap.width + 8;
end;
{ отображаем текст }
TextOut(Rect.Left + Offset, Rect.Top, Combobox1.Items[Index])
end;
end;
procedure TForm1.ComboBox1MeasureItem(Control: TWinControl; Index:
Integer; var Height: Integer);
begin
height:= 20;
end;
procedure TForm1.ListBox1DrawItem(Control: TWinControl; Index:
Integer;
Rect: TRect; State: TOwnerDrawState);
var
Bitmap: TBitmap;
Offset: Integer;
begin
with (Control as TListBox).Canvas do
begin
FillRect(Rect);
Bitmap := TBitmap(ListBox1.Items.Objects[Index]);
if Bitmap <> nil then
begin
BrushCopy(Bounds(Rect.Left + 2, Rect.Top + 2, Bitmap.Width,
Bitmap.Height), Bitmap, Bounds(0, 0, Bitmap.Width,
Bitmap.Height), clRed);
Offset := Bitmap.width + 8;
end;
{ отображаем текст }
TextOut(Rect.Left + Offset, Rect.Top, Listbox1.Items[Index])
end;
end;
procedure TForm1.ListBox1MeasureItem(Control: TWinControl; Index:
Integer;
var Height: Integer);
begin
height:= 20;
end;
end.
{КОНЕЦ OWNERDRW.PAS}
{НАЧАЛО OWNERDRW.DFM}
object Form1: TForm1
Left = 211
Top = 155
Width = 435
Height = 300
Caption = 'Form1'
Font.Color = clWindowText
Font.Height = -13
Font.Name = 'System'
Font.Style = []
PixelsPerInch = 96
OnClose = FormClose
OnCreate = FormCreate
TextHeight = 16
object ComboBox1: TComboBox
Left = 26
Top = 30
Width = 165
Height = 22
Style = csOwnerDrawVariable
ItemHeight = 16
TabOrder = 0
OnDrawItem = ComboBox1DrawItem
OnMeasureItem = ComboBox1MeasureItem
end
object ListBox1: TListBox
Left = 216
Top = 28
Width = 151
Height = 167
ItemHeight = 16
Style = lbOwnerDrawVariable
TabOrder = 1
OnDrawItem = ListBox1DrawItem
OnMeasureItem = ListBox1MeasureItem
end
end
{КОНЕЦ OWNERDRW.DFM}
[000151 |
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