윈도우 화면을 캡쳐하려고 하는데...바탕화면만 캡쳐되고 아이콘이나,,,몇가지가 않나오는데..
화면 전체를 캡쳫하는 방법좀알려주세요
    Form1->Width  = Screen->Width;
    Form1->Height = Screen->Height;
    Image1->Width = Screen->Width;
    Image1->Height = Screen->Height;
    Form1->Top = 0;
    Form1->Left = 0;

    Image1->Top = 0;
    Image1->Left = 0;
    Form1->Visible = false;
    Button1->Visible = false;
    Button2->Visible = false;
    HDC dc = GetWindowDC(0);

    Graphics::TCanvas *ScreenCanvas = new Graphics::TCanvas;
    ScreenCanvas->Handle = dc;

    Image1->Picture->Bitmap->Width = Screen->Width ;
    Image1->Picture->Bitmap->Height = Screen->Height;
    TRect rect = Rect(0,0,Screen->Width,Screen->Height);
    Image1->Picture->Bitmap->Canvas->CopyRect(rect,ScreenCanvas,rect);
    Form1->Visible = true;
    Button1->Visible = true;
    Button2->Visible = true;
    delete ScreenCanvas;
    ReleaseDC(NULL,dc);