OICQ中用户图标选择的实现

unit Unit1;

interface

uses  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,  StdCtrls;

type  TForm1 = class(TForm)    List1: TComboBox;    Button1: TButton;    procedure Button1Click(Sender: TObject);    procedure FormCreate(Sender: TObject);    procedure List1DrawItem(Control: TWinControl; Index: Integer;      Rect: TRect; State: TOwnerDrawState);  private    { Private declarations }  public    { Public declarations }  end;

var  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);                 vars: String;begin Randomize; s:= intTostr(Random(100));//LAST HERE! CreateDir(s);end;procedure TForm1.FormCreate(Sender: TObject);varBit1,Bit2,Bit3,Bit4,Bit5,Bit6: TBitmap;begin  List1.Style := csOwnerDrawVariable;  List1.ItemHeight := 30;  Bit1 := TBitmap.Create;  Bit1.LoadFromFile('C:/Program Files/Oicq/face/1-1.bmp');  Bit2 := TBitmap.Create;  Bit2.LoadFromFile('C:/Program Files/Oicq/face/2-1.bmp');  Bit3 := TBitmap.Create;  Bit3.LoadFromFile('C:/Program Files/Oicq/face/3-1.bmp');  Bit4 := TBitmap.Create;  Bit4.LoadFromFile('C:/Program Files/Oicq/face/4-1.bmp');  Bit5 := TBitmap.Create;  Bit5.LoadFromFile('C:/Program Files/Oicq/face/5-1.bmp');  Bit6 := TBitmap.Create;  Bit6.LoadFromFile('C:/Program Files/Oicq/face/6-1.bmp');  List1.Items.AddObject('图标1',Bit1);  List1.Items.AddObject('图标2',Bit2);  List1.Items.AddObject('图标3', Bit3);  List1.Items.AddObject('图标4', Bit4);  List1.Items.AddObject('图标5', Bit5);  List1.Items.AddObject('图标6', Bit6);  List1.ItemIndex :=0;end;

procedure TForm1.List1DrawItem(Control: TWinControl; Index: Integer;  Rect: TRect; State: TOwnerDrawState);varBitmap: TBitmap;Offset: Integer;begin  with(Control as TCombobox).Canvas do  begin    FillRect(Rect);    Bitmap := TBitmap(List1.Items.Objects[Index]);    //Bitmap := TBitmap.Create;    //ImageList1.GetBitmap(Index,Bitmap);    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;    TextOut(Rect.Left+OffSet,Rect.Top,List1.Items[Index]);    end;

  end;

end;

end.