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tfilelistbox displaying files with specific icons of the file..

Posted on 2003-10-23
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Last Modified: 2012-05-04
Hi,

     Can you please help me with this. i have a tfilelistbox object and what i
     want is a complete code to display not only the files but also the specific
     icon. thanks.
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Question by:therooster
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2 Comments
 
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Expert Comment

by:snehanshu
ID: 9611675
TFileListBox has a property called ShowGlyphs. You can set it to true at design time or on formcreate.
...Snehanshu
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Accepted Solution

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snehanshu earned 1000 total points
ID: 9611823
ShowGlyphs perhaps shows old style icons. Here's code of a component I found on the net that does what you want:

unit janFileListBox;

{  author: Jan Verhoeven
   created: 18-Februari-2001
   email: jan1.verhoeven@wxs.nl
   url: http://jansfreeware.com/jfdelphi.htm

}

interface

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

type
  TjanFileListBox = class(TFileListBox)
  private
    { Private declarations }
    ImageList   : TImageList;
  protected
    { Protected declarations }
    procedure DrawItem(Index: Integer; Rect: TRect; State: TOwnerDrawState); override;
  public
    { Public declarations }
    constructor create(AOwner:Tcomponent);override;
    destructor  destroy;override;
  published
    { Published declarations }
  end;

procedure Register;

implementation

procedure Register;
begin
  RegisterComponents('janBasic', [TjanFileListBox]);
end;

{ TjanFileListBox }


constructor TjanFileListBox.create(AOwner: Tcomponent);
begin
  inherited;
  Parent:=AOwner as TWinControl;
  Style:=lbOwnerDrawFixed;
  ImageList:=TImageList.Create(Self);
  ItemHeight:=18;
end;

destructor TjanFileListBox.destroy;
begin
  ImageList.free;
  inherited;

end;

procedure TjanFileListBox.DrawItem(Index: Integer; Rect: TRect;
  State: TOwnerDrawState);
var
  Icon  : TIcon;
  Glyph : TBitmap;
  Nr    : Word;
  fn:string;
begin
    ImageList.Clear;
    Canvas.FillRect(Rect);
    Nr:=0;
    Icon:=TIcon.Create;
    Glyph:=TBitmap.Create;
    Glyph.Width:=16;
    Glyph.Height:=16;
    if copy(FDirectory,length(FDirectory),1)='\' then
      fn:=FDirectory+Items.Strings[Index]
    else
      fn:=FDirectory+'\'+Items.Strings[Index];
    Icon.Handle:=ExtractAssociatedIcon(Application.Handle,PChar(fn),Nr);
    ImageList.AddIcon(Icon);
    if odSelected in State then ImageList.DrawingStyle:=dsSelected else ImageList.DrawingStyle:=dsNormal;
    ImageList.Draw(Canvas,Rect.Left + 2,Rect.Top + 1,0);
    Canvas.TextOut(Rect.Left + 20,Rect.Top + 1,Items.Strings[Index]);
    Glyph.Free;
    Icon.Free;
end;


end.
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