type
TForm2 = class(TForm)
FileEdit1: TFileEdit;
ImageList1: TImageList;
ListBox1: TListBox;
Image1: TImage;
SpinEdit1: TSpinEdit;
StaticText1: TStaticText;
procedure FileEdit1Change(Sender: TObject);
procedure ListBox1Click(Sender: TObject);
procedure SpinEdit1Change(Sender: TObject);
procedure ListBox1KeyPress(Sender: TObject; var Key: Char);
private
procedure ClearImage;
procedure ClearImageList;
public
procedure LoadBitmapNames(pFileName, pResType: PChar; Items: TStrings);
procedure AddResourceBitMaps(imagelist: TImageList; lpLibFileName: PChar;
const resname: string);
end;

var
Form2: TForm2;

implementation

resourcestring
StrUnableToOpen = 'Unable to open %s.';
StrDImagesInImage = '%d images in Imagelist.';
{$R *.dfm}

procedure TForm2.AddResourceBitMaps(imagelist: TImageList; lpLibFileName: PChar;
const resname: string);
var
handle: THandle;
bitmap: TBitMap;
MaskColor: TColor;
begin
handle := LoadLibrary(lpLibFileName);
if (handle=0) then
RaiseLastOSError;
bitmap:= TBitMap.Create;
try
bitmap.LoadFromResourceName(handle, resname);
imagelist.Height:= bitmap.Height;
imagelist.Width:= bitmap.Height;
MaskColor:= bitmap.Canvas.Pixels[0,bitmap.height-1];
imagelist.AddMasked(bitmap, MaskColor);
finally
bitmap.Free;
FreeLibrary(handle);
end;
end;

procedure TForm2.ClearImage;
begin
Image1.Picture.Graphic:= Nil;
end;

procedure TForm2.ClearImageList;
begin
ImageList1.Clear;
end;

procedure TForm2.FileEdit1Change(Sender: TObject);
begin
if Sender is TFileEdit then
begin
SpinEdit1.Value:= 0;
ClearImage;
LoadBitmapNames(PAnsiChar(TFileEdit(Sender).Text), RT_BITMAP,
ListBox1.Items);
end;
end;

procedure TForm2.ListBox1Click(Sender: TObject);
var
i: Integer;
begin
if Sender is TListBox then
begin
if TListBox(Sender).SelCount <> 0 then
begin
for i := 0 to TListBox(Sender).Count - 1 do
begin
if TListBox(Sender).Selected[i] then
begin
ClearImage;
ClearImageList;
AddResourceBitMaps(ImageList1, PAnsiChar(FileEdit1.Text), TListBox(Sender).Items[i]);
StaticText1.Caption:= Format(StrDImagesInImage, [ImageList1.Count]);
SpinEdit1.MaxValue:= ImageList1.Count - 1;
SpinEdit1.MinValue:= 0;
SpinEdit1.Value:= 0;
SpinEdit1Change(Sender);
end;
end;
end;
end;
end;

procedure TForm2.ListBox1KeyPress(Sender: TObject; var Key: Char);
begin
ListBox1Click(Sender);
end;

function EnumResNameProc(hMod: THandle; ResType, ResName: pchar;
Lines: TStrings): boolean; stdcall;
var
dw: dword;
begin
dw := dword(ResName);
if (hiword(dw) = 0) then
Lines.Add('#'+IntToStr(dw))
else
Lines.Add(ResName);
Result:= True;
end;

procedure TForm2.LoadBitmapNames(pFileName, pResType: PChar; Items: TStrings);
var
FileHandle: THandle;
begin
Items.Clear;
FileHandle:= LoadLibraryEx(pFilename,0,LOAD_LIBRARY_AS_DATAFILE);
try
if (FileHandle = INVALID_HANDLE_VALUE) then
raise EAccessViolation.Create(Format(StrUnableToOpen, [pFileName]));
if (filehandle > 0) then
EnumResourceNames(FileHandle,pResType,@EnumResNameProc,longint(Items))
else
Items.Clear;
finally
FreeLibrary(FileHandle);
end;
end;

procedure TForm2.SpinEdit1Change(Sender: TObject);
begin
ClearImage;
ImageList1.GetBitmap(SpinEdit1.Value,Image1.Picture.Bitmap);
end;

end.