程序（界面是一个长条）启动后停靠在桌面最上方，怎么让我的电脑等图标自动往下移动？（

桌面是一个ListView，直接向这个。list添加东西就可以了。

《delphi5 开发人员指南》里面详细介绍了怎样来实现AppBar，有时间可以去查看
将下面的控件装上就可以实现了unit appba;{
  FILE: APPBAR.PAS by Eric Janssen ([email protected])  DESCRIPTION: Encapsuling of SHAppBarMessage
}interfaceuses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  ShellApi;const
  WM_APPBAR = WM_USER +1;type
  TEdge = (abeLeft, abeTop, abeRight, abeBottom);  TQuerySizeEvent = procedure(Sender: TObject; Edge: TEdge; var Width, Height: Integer) of object;  TAppBar = class(TComponent)
  private
    { Private declarations }
    m_ABD: TAppBarData;
    m_WndProc: TWndMethod;
    m_Edge: TEdge;
    m_QuerySize: TQuerySizeEvent;
    procedure SetEdge(const Value: TEdge);
    procedure WndProc(var Msg: TMessage);
  protected
    { Protected declarations }
    procedure ABRegister; virtual;
    procedure ABUnregister; virtual;
    procedure ABSetPos; virtual;
    procedure ABPosChanged; virtual;
    procedure ABFullScreenApp(Enabled: Boolean); virtual;
    procedure ABSetAutoHide(Enabled: Boolean); virtual;
  public
    { Public declarations }
    constructor Create(AOwner: TComponent); override;
    destructor Destroy; override;    procedure Loaded; override;
  published
    { Published declarations }
    property Edge: TEdge read m_Edge write SetEdge;
    property QuerySize: TQuerySizeEvent read m_QuerySize write m_QuerySize;
  end;procedure Register;implementationprocedure Register;
begin
  RegisterComponents('Libertel', [TAppBar]);
end;
//------------------------------------------------------------------------------
procedure TAppBar.ABRegister;
begin
  // check if we are not in the Delphi IDE
  if not (csDesigning in ComponentState) then
  begin
    // make sure we get the notification messages
    m_WndProc:= TWinControl(Owner).WindowProc;
    TWinControl(Owner).WindowProc:= WndProc;    m_ABD.cbSize:= SizeOf(TAppBarData);
    m_ABD.hWnd:= TWinControl(Owner).Handle;
    m_ABD.uCallbackMessage:= WM_APPBAR;    // register the application bar within the system
    if SHAppBarMessage(ABM_NEW, m_ABD) = 0 then
      raise Exception.Create(SysErrorMessage(GetLastError()));    // make it a toolwindow with no caption
    if SetWindowLong(m_ABD.hWnd, GWL_EXSTYLE, WS_EX_TOOLWINDOW or WS_EX_DLGMODALFRAME) = 0 then
      raise Exception.Create(SysErrorMessage(GetLastError()));    if SetWindowLong(m_ABD.hWnd, GWL_STYLE, 0) = 0 then
      raise Exception.Create(SysErrorMessage(GetLastError()));    SetWindowPos(m_ABD.hWnd, m_ABD.hWnd, 0, 0, 0, 0, SWP_FRAMECHANGED or SWP_NOACTIVATE or SWP_NOSIZE or SWP_SHOWWINDOW);
  end;
end;
//------------------------------------------------------------------------------
procedure TAppBar.ABSetPos;
var Height, Width: Integer;
begin
  if not (csDesigning in ComponentState) then
  begin
    // default size
    Width:= TWinControl(Owner).Width;
    Height:= TWinControl(Owner).Height;    // request the new size
    if Assigned(m_QuerySize) then
      m_QuerySize(Self, m_Edge, Width, Height);    m_ABD.rc.Right:= GetSystemMetrics(SM_CXSCREEN);
    m_ABD.rc.Bottom:= GetSystemMetrics(SM_CYSCREEN);    if (m_ABD.uEdge = ABE_LEFT) or (m_ABD.uEdge = ABE_RIGHT) then
    begin
      if m_ABD.uEdge = ABE_LEFT then m_ABD.rc.Left:= 0
      else m_ABD.rc.Left:= GetSystemMetrics(SM_CXSCREEN) - Width;
      m_ABD.rc.Top:= 0;
    end else
    begin
      if m_ABD.uEdge = ABE_TOP then m_ABD.rc.Top:= 0
      else m_ABD.rc.Top:= GetSystemMetrics(SM_CYSCREEN) - Height;
      m_ABD.rc.Left:= 0;
    end;    // query the new position
    if SHAppBarMessage(ABM_QUERYPOS, m_ABD) = 0 then
      raise Exception.Create(SysErrorMessage(GetLastError()));    // calculate the size
    case m_ABD.uEdge of
      ABE_LEFT:
        m_ABD.rc.Right:= m_ABD.rc.Left + Width;
      ABE_RIGHT:
        m_ABD.rc.Left:= m_ABD.rc.Right - Width;
      ABE_TOP:
        m_ABD.rc.Bottom:= m_ABD.rc.Top + Height;
      ABE_BOTTOM:
        m_ABD.rc.Top:= m_ABD.rc.Bottom - Height;
    end;    // set the new size
    if SHAppBarMessage(ABM_SETPOS, m_ABD) = 0 then
      raise Exception.Create(SysErrorMessage(GetLastError()));    // move the form
    MoveWindow(m_ABD.hWnd, m_ABD.rc.Left, m_ABD.rc.Top,
      m_ABD.rc.Right - m_ABD.rc.Left,
      m_ABD.rc.Bottom - m_ABD.rc.Top, TRUE);  end;
end;
//------------------------------------------------------------------------------
procedure TAppBar.ABUnregister;
begin
  // check if the form is not being destroyed and not in the Delphi IDE
  if not (csDesigning in ComponentState) then
  begin
    if not (csDestroying in ComponentState) then
      TWinControl(Owner).WindowProc:= m_WndProc;    // remove the application bar
    if SHAppBarMessage(ABM_REMOVE, m_ABD) = 0 then
      raise Exception.Create(SysErrorMessage(GetLastError()));
  end;
end;
//------------------------------------------------------------------------------

constructor TAppBar.Create(AOwner: TComponent);
var I: Cardinal;
begin
  inherited Create(AOwner);  // check if we have an owner
  if Assigned(AOwner) then
  begin
    // we could turn everything with a handle into a application-bar, but for
    // for Delphi we only use descendants of TCustomForm
    if (AOwner is TCustomForm) then
    begin
      // make sure we are the only one
      for I:=0 to AOwner.ComponentCount -1 do
      begin
        if (AOwner.Components[I] is TAppBar) and (AOwner.Components[I] <> Self) then
          raise Exception.Create('Ooops, you need only *ONE* of these');
      end;
    end else
      raise Exception.Create('Sorry, can''t do this only with TCustomForms');  end else
    raise Exception.Create('Sorry, can''t do this without an owner');
end;
//------------------------------------------------------------------------------
destructor TAppBar.Destroy;
begin
  ABUnregister();  inherited Destroy();
end;
//------------------------------------------------------------------------------
procedure TAppBar.Loaded;
begin
  inherited Loaded();  ABRegister();
  ABSetPos();
end;
//------------------------------------------------------------------------------
procedure TAppBar.SetEdge(const Value: TEdge);
begin
  if (m_Edge <> Value) then
  begin
    m_Edge:= Value;
    case m_Edge of
      abeLeft:
        m_ABD.uEdge:= ABE_LEFT;
      abeTop:
        m_ABD.uEdge:= ABE_TOP;
      abeBottom:
        m_ABD.uEdge:= ABE_BOTTOM;
      abeRight:
        m_ABD.uEdge:= ABE_RIGHT;
    end;    ABSetPos();
  end;
end;
//------------------------------------------------------------------------------
procedure TAppBar.WndProc(var Msg: TMessage);
begin
  if (Msg.Msg = WM_APPBAR) then
  begin
    case Msg.wParam of
      ABN_STATECHANGE, ABN_POSCHANGED:
        ABPosChanged();      ABN_FULLSCREENAPP:
        ABFullScreenApp(Msg.lParam <> 0);
    end;
  end;  if (Msg.Msg = WM_WINDOWPOSCHANGED) then
  begin
    SHAppBarMessage(ABM_WINDOWPOSCHANGED, m_ABD);
  end;  if (Msg.Msg = WM_ACTIVATE) then
  begin
    SHAppBarMessage(ABM_ACTIVATE, m_ABD);
  end;  // call the original WndProc
  if Assigned(m_WndProc) then
    m_WndProc(Msg);
end;
//------------------------------------------------------------------------------
procedure TAppBar.ABPosChanged;
var rc, rcWindow: TRect;
    Height, Width: Integer;
begin
  rc.Top:= 0;
  rc.Left:= 0;
  rc.Right:= GetSystemMetrics(SM_CXSCREEN);
  rc.Bottom:= GetSystemMetrics(SM_CYSCREEN);  GetWindowRect(m_ABD.hWnd, rcWindow);  Height:= rcWindow.Top - rcWindow.Bottom;
  Width:= rcWindow.Right - rcWindow.Left;  case m_ABD.uEdge of
    ABE_TOP:
      rc.Bottom:= rc.Top + Height;    ABE_BOTTOM:
      rc.Top:= rc.Bottom - Height;    ABE_LEFT:
      rc.Right:= rc.Left + Width;    ABE_RIGHT:
      rc.Left:= rc.Right - Width;
  end;  ABSetPos();
end;
//------------------------------------------------------------------------------
procedure TAppBar.ABFullScreenApp(Enabled: Boolean);
var State: Integer;
    Flags: HWND;
begin
  State:= SHAppBarMessage(ABM_GETSTATE, m_ABD);  if Enabled then
  begin
    if (State and ABS_ALWAYSONTOP) <> 0 then
      Flags:= HWND_TOPMOST
    else
      Flags:= HWND_BOTTOM;    SetWindowPos(m_ABD.hWnd, Flags, 0, 0, 0, 0, SWP_NOMOVE or SWP_NOSIZE or SWP_NOACTIVATE);
  end else
  begin
    if (State and ABS_ALWAYSONTOP) <> 0 then
      SetWindowPos(m_ABD.hWnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE or SWP_NOSIZE or SWP_NOACTIVATE);
  end;
end;
//------------------------------------------------------------------------------
procedure TAppBar.ABSetAutoHide(Enabled: Boolean);
begin
  if not (csDesigning in ComponentState) then
  begin
    if Enabled then m_ABD.lParam:= -1
    else m_ABD.lParam:= 0;    if SHAppBarMessage(ABM_SETAUTOHIDEBAR, m_ABD) <> 0 then
      raise Exception.Create(SysErrorMessage(GetLastError()));
  end;
end;
//------------------------------------------------------------------------------end.

直接用APPBAR控件不必看这么多了

调试易

程序（界面是一个长条）启动后停靠在桌面最上方，怎么让我的电脑等图标自动往下移动？（

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