系统栏显示问题。。。。

Question

怎样让程序运行的时：
最小话时不显示在任务栏 而只显示在系统栏，也就是象QQ那样，最小话时只显示在右下角？？
然后点图标右键显示某些功能？？ 谢谢有例子更好！

Answer 1

//制作托盘
unit tp;
interface
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, jpeg, ExtCtrls,ShellApi, Menus, StdCtrls;
const
  ICON_ID  = 1;
  My_ICONEVENT = WM_USER + 1;
type
  TMyTest = class(TForm)
    Image1: TImage;
    pop1: TPopupMenu;
    showform: TMenuItem;
    N1: TMenuItem;
    Memo1: TMemo;
    Button1: TButton;
    Timer1: TTimer;
    procedure FormCreate(Sender: TObject);
    procedure N1Click(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure Timer1Timer(Sender: TObject);
    procedure showformClick(Sender: TObject);
  private
    procedure InitIcon;
    procedure UnInstallIcon;
    procedure IConOnclick(var Myss:TMessage);message My_ICONEVENT;
    procedure WMSysCommand(var Sysss: TWMSysCommand);message WM_SYSCOMMAND;
  public
  end;
var
  MyTest: TMyTest;
implementation
{$R *.dfm}
procedure TMyTest.WMSysCommand(var Sysss: TWMSysCommand); //拦截系统消息
begin
  with Sysss do
  begin
    if (CmdType and $FFF0 = SC_MINIMIZE) or (CmdType and $FFF0 = SC_CLOSE) then
    begin
      ShowWindow(MyTest.Handle,SW_HIDE);
      Exit;
    end;
    inherited;
  end;
end;
procedure TMyTest.ICononclick(var Myss:TMessage);
var p: TPoint;
begin
  if (Myss.lParam = WM_RBUTTONDOWN) or (Myss.lParam = WM_LBUTTONDBLCLK) then
  begin
    GetCursorPos(p);
    pop1.Popup(p.x,p.y);
  end;
end;
procedure TMyTest.InitIcon;
Var MyNotify:TNotifyIconData;
begin
  MyNotify.cbSize:=Sizeof(MyNotify);
  MyNotify.Wnd:=handle;
  MyNotify.uID := ICON_ID;
  MyNotify.uFlags:=NIF_ICON or NIF_MESSAGE or NIF_TIP;
  MyNotify.uCallbackMessage:=My_ICONEVENT;
  MyNotify.hIcon :=Image1.Picture.Icon.Handle;
  MyNotify.szTip :='MyTest';
  Shell_NotifyIcon(NIM_ADD,@MyNotify);
end;    
procedure TMyTest.FormCreate(Sender: TObject);
begin
  InitIcon;
  SetWindowLong(Application.Handle, GWL_EXSTYLE, WS_EX_TOOLWINDOW);
  //设置应用程序状态栏目不显示
end;
procedure TMyTest.N1Click(Sender: TObject);
begin
  close;
end;
procedure TMyTest.UnInstallIcon; //卸载图标
var IconData: TNotifyIconData;
begin
  IconData.cbSize := SizeOf(IconData);
  IconData.Wnd := Handle;
  IconData.uID := ICON_ID;
  Shell_NotifyIcon(NIM_DELETE,@IconData);
end;
procedure TMyTest.FormDestroy(Sender: TObject);
begin
  UnInstallIcon;
end;
procedure TMyTest.Timer1Timer(Sender: TObject);
begin
  Timer1.Enabled:=False;
  ShowWindow(MyTest.Handle,SW_HIDE);
end;
procedure TMyTest.showformClick(Sender: TObject);
begin
  ShowWindow(MyTest.Handle,SW_SHOWNORMAL);
  SetForegroundWindow(application.handle);//激活应用程序为前台，此处可以省掉
end;
end.
使应用程序在状态拦上不显示,只显示主窗体.
postmessage(application.handle,GWL_EXSTYLE,WA_EX_TOOLWINDOW)
或
SetWindowLong(Application.Handle,GWL_EXSTYLE,WS_EX_TOOLWINDOW);