按一下按钮，窗口就最小化到任务栏怎么做？（我想做一个闹钟,设好后就最小化它)

这个就不错。
unit TrayIcon;interfaceuses
  SysUtils, Windows, Messages, Classes, Graphics, Controls, ShellAPI, Forms, menus;const WM_TOOLTRAYICON = WM_USER+1;
      WM_RESETTOOLTIP = WM_USER+2;type  TTrayIcon = class(TComponent)  private  { Field Variables }    IconData: TNOTIFYICONDATA;
    fIcon : TIcon;
    fToolTip : String;
    fWindowHandle : HWND;
    fActive : boolean;
    fShowDesigning : Boolean;  { Events }    fOnClick     : TNotifyEvent;
    fOnDblClick  : TNotifyEvent;
    fOnRightClick : TMouseEvent;
    fPopupMenu   : TPopupMenu;    function AddIcon : boolean;
    function ModifyIcon : boolean;
    function DeleteIcon : boolean;    procedure SetActive(Value : boolean);
    procedure SetShowDesigning(Value : boolean);
    procedure SetIcon(Value : TIcon);
    procedure SetToolTip(Value : String);
    procedure WndProc(var msg : TMessage);    procedure FillDataStructure;
    procedure DoRightClick( Sender : TObject );      protected  public    constructor create(aOwner : TComponent); override;
    destructor destroy; override;  published    property Active : boolean read fActive write SetActive;
    property ShowDesigning : boolean read fShowDesigning write SetShowDesigning;
    property Icon : TIcon read fIcon write SetIcon;
    property ToolTip : string read fTooltip write SetToolTip;    property OnClick     : TNotifyEvent read FOnClick write FOnClick;
    property OnDblClick  : TNotifyEvent read FOnDblClick write FOnDblClick;
    property OnRightClick : TMouseEvent  read FOnRightClick write FonRightClick;
    property PopupMenu : TPopupMenu read fPopupMenu write fPopupMenu;  end;procedure Register;implementation{$R TrayIcon.res}procedure TTrayIcon.SetActive(Value : boolean);
begin
   if value <> fActive then begin
     fActive := Value;
     if not (csdesigning in ComponentState) then begin
        if Value then begin
           AddIcon;
        end else begin
           DeleteIcon;
        end;
     end;
  end;
end;procedure TTrayIcon.SetShowDesigning(Value : boolean);
begin
  if csdesigning in ComponentState then begin
     if value <> fShowDesigning then begin
        fShowDesigning := Value;
        if Value then begin
           AddIcon;
        end else begin
           DeleteIcon;
        end;
     end;
  end;
end;procedure TTrayIcon.SetIcon(Value : Ticon);
begin
  if Value <> fIcon then
    begin
      fIcon.Assign(value);
      ModifyIcon;
    end;
end;procedure TTrayIcon.SetToolTip(Value : string);
begin   // This routine ALWAYS re-sets the field value and re-loads the
   // icon.  This is so the ToolTip can be set blank when the component
   // is first loaded.  If this is changed, the icon will be blank on
   // the tray when no ToolTip is specified.   if length( Value ) > 62 then
      Value := copy(Value,1,62);
   fToolTip := value;
   ModifyIcon;end;constructor TTrayIcon.create(aOwner : Tcomponent);
begin
  inherited create(aOwner);
  FWindowHandle := AllocateHWnd( WndProc );
  FIcon := TIcon.Create;
end;destructor TTrayIcon.destroy;
begin  if (not (csDesigning in ComponentState) and fActive)
     or ((csDesigning in ComponentState) and fShowDesigning) then
        DeleteIcon;  FIcon.Free;
  DeAllocateHWnd( FWindowHandle );
  inherited destroy;end;procedure TTrayIcon.FillDataStructure;
begin  with IconData do begin     cbSize := sizeof(TNOTIFYICONDATA);
     wnd := FWindowHandle;
     uID := 0; // is not passed in with message so make it 0
     uFlags := NIF_MESSAGE + NIF_ICON + NIF_TIP;
     hIcon := fIcon.Handle;
     StrPCopy(szTip,fToolTip);
     uCallbackMessage := WM_TOOLTRAYICON;  end;end;function TTrayIcon.AddIcon : boolean;
begin
   FillDataStructure;
   result := Shell_NotifyIcon(NIM_ADD,@IconData);   // For some reason, if there is no tool tip set up, then the icon
   // doesn't display.  This fixes that.   if fToolTip = '' then
      PostMessage( fWindowHandle, WM_RESETTOOLTIP,0,0 );end;function TTrayIcon.ModifyIcon : boolean;
begin   FillDataStructure;
   if fActive then
      result := Shell_NotifyIcon(NIM_MODIFY,@IconData)
   else
      result := True;end;procedure TTrayIcon.DoRightClick( Sender : TObject );
var MouseCo: Tpoint;
begin   GetCursorPos(MouseCo);   if assigned( fPopupMenu ) then begin
      SetForegroundWindow( Application.Handle );
      Application.ProcessMessages;
      fPopupmenu.Popup( Mouseco.X, Mouseco.Y );
   end;   if assigned( FOnRightClick ) then
      begin
         FOnRightClick(self,mbRight,[],MouseCo.x,MouseCo.y);
      end;
end;function TTrayIcon.DeleteIcon : boolean;
begin
   result := Shell_NotifyIcon(NIM_DELETE,@IconData);
end;procedure TTrayIcon.WndProc(var msg : TMessage);
begin
   with msg do
     if (msg = WM_RESETTOOLTIP) then
        SetToolTip( fToolTip )
     else if (msg = WM_TOOLTRAYICON) then begin
        case lParam of
           WM_LBUTTONDBLCLK   : if assigned (FOnDblClick) then FOnDblClick(self);
           WM_LBUTTONUP       : if assigned(FOnClick)then FOnClick(self);
           WM_RBUTTONUP       : DoRightClick(self);
        end;
     end
     else // Handle all messages with the default handler
        Result := DefWindowProc(FWindowHandle, Msg, wParam, lParam);end;procedure Register;
begin
  RegisterComponents('Win95', [TTrayIcon]);
end;end.

对结构notifyicondata进行操作即可

很简单！procedure TForm1.Button1Click(Sender: TObject);
begin
Application.Minimize;
end;

可，这是一个控件，注册IT！
然后放到面板上，就可以使用了。
在最小化的时候，使用这个控件，它还支持你设置PopupMenu。算了！你要是真不懂就算我白说。

Rainsea(飞龙在天) 有点小题大作吧!
只要在一个事件中把窗口的属性改一下就行了

用CoolTrayIcon控件，很简单的！^_^

已经给你发过去了，里面有Demo，自己看看应该不成问题。

http://delphi.about.com/library/weekly/aa121801a.htm
仔细看，里面很详细的，还有如何制作跳动的，结帖吧

TO: wlw88(飞扬)
能把CoolTrayIcon 控件發給我看看嗎?
[email protected]

调试易

按一下按钮，窗口就最小化到任务栏怎么做？（我想做一个闹钟,设好后就最小化它)

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