你所谓的自动添加相应控件如果是自动创建的话，那是可以的，牛人们甚至可以直接在.dpr中做文章,而连.pas或.dfm都不要的，例如下面这个别人做的很经典的定时关机的小程序
program AutoShutDown;
uses
ExceptionLog,
Windows,
ShellAPI,
Sysutils,
Messages;
{$R *.RES}
var
WinClass:TWndClassA;
Handle:hwnd;
Inst,Button1, Label1, Edit1: Integer;
Msg: TMsg;
tid: TNotifyIconDataA;
sdt:tdatetime;
timerid:integer;
hFont: Integer;
const
AppName='AutoShutDown';
st='定时关机';
About=st+' 1.0, Keyes.chen@263.net, Keyes 1999.10.23';
gjs='设定关机时间';
procedure SetShutdownTime;
var
Textlength: Integer;
Text: PChar;i:tdatetime;
begin
TextLength := GetWindowTextLength(Edit1);
GetMem(Text, TextLength + 1);
GetWindowText(Edit1, Text, TextLength + 1);
try
i:=Strtodatetime(Text);
if i<=now then
begin
MessageBox(handle,'不对吧!太早了.','错误',mb_ok or MB_ICONERROR);
exit;
end;
sdt:=i;
timerid:=Settimer(handle,1000,1000,nil);
Showwindow(handle,sw_hide);
lstrcpy (tid.szTip,pchar(st+' 关机时间:'+Datetimetostr(sdt)));
Shell_NotifyIcon (nim_modify, @tid);
except
Killtimer(handle,timerid);
Messagebox(handle,pchar('关机时间设定错误'#13#10#13#10+'格式因该是:'+Datetimetostr(now)),AppName,Mb_ok or MB_ICONINFORMATION);
end;
FreeMem(Text, TextLength + 1);
end;
function WindowProc(hWnd, uMsg, wParam, lParam: Integer): Integer
stdcall;
var pt:tpoint;pm:Hmenu;
begin
result:=0;
Case uMsg of
wm_timer:
begin
if now>=sdt then
begin
Killtimer(handle,timerid);
ExitWindowsEx(EWX_SHUTDOWN or EWX_Force, 0);
// PostMessage(handle,wm_Destroy,0,0);
end;
end;
wm_User:
begin
Case lparam of
WM_LBUTTONDBLCLK:
begin
showwindow(handle,sw_restore);
setforegroundwindow(handle);
end;
wm_LButtonDown,wm_RButtonDown:
begin
GetCursorPos (pt);
pm := CreatePopupMenu;
AppendMenu (pm,0,Ord ('S'),gjs);
AppendMenu (pm, 0, Ord ('A'), '关于...');
AppendMenu (pm, mf_Separator, 0, Nil);
AppendMenu (pm, 0, Ord ('E'), '退出');
SetForegroundWindow (handle);
if TrackPopupMenu (pm, tpm_BottomAlign or tpm_RightAlign, pt.x,{GetDeviceCaps(dc,Vertres)}pt.y, 0, handle, Nil) then
SetForegroundWindow (handle);
DestroyMenu (pm)
end;
end;
end;
wm_Destroy:
begin
Shell_NotifyIcon (nim_Delete, @tid);
Killtimer(handle,timerid);
halt;
end;
wm_Command:
begin
if (lParam = Button1) then begin SetshutdownTime;exit end;
Case Loword(wParam) of
Ord ('A'): MessageBox (0, About, AppName, mb_ok or MB_ICONINFORMATION);
Ord ('E'): PostMessage (handle, wm_Close, 0, 0);
Ord ('S'):
begin
Showwindow(handle,sw_restore);
end;
end;
end;
end;
Result := DefWindowProc(hWnd, uMsg, wParam, lParam);
end;
begin
{ ** Register Custom WndClass ** }
if FindWindow (AppName, Nil) <> 0 then begin
Messagebox(handle,'已经有一个AutoShutDown运行了',AppName,mb_ok or MB_ICONWARNING);
halt(0);
end;
Inst := hInstance;
with WinClass do
begin
style := CS_CLASSDC or CS_PARENTDC;
lpfnWndProc := @WindowProc;
hInstance := Inst;
hbrBackground := color_btnface + 1;
lpszClassname := AppName;
hCursor := LoadCursor(0, IDC_ARROW);
end;
RegisterClass(WinClass);
Handle := CreateWindowEx(WS_EX_WINDOWEDGE, AppName, 'AutoShutDown 1.00',
WS_VISIBLE {or WS_SIZEBOX} or WS_CAPTION or WS_SYSMENU,
283, 238, 325, 65, 0, 0, Inst, nil);
Button1 := CreateWindow('Button', 'OK', WS_VISIBLE or WS_CHILD or BS_PUSHLIKE or BS_TEXT,
236, 8, 75, 20, handle, 0, Inst, nil);
Label1 := Createwindow('Static', '', WS_VISIBLE or WS_CHILD or SS_LEFT,
8, 12, 80, 13, Handle, 0, Inst, nil);
Edit1 := CreateWindowEx(WS_EX_CLIENTEDGE, 'Edit', Pchar(Datetimetostr(now)), WS_CHILD or WS_VISIBLE or
WS_BORDER {or ES_PASSWORD}, 88, 8, 141, 21, Handle, 0, Inst, nil);
hFont := CreateFont(-12, 0, 0, 0, 500, 0, 0, 0, GB2312_CHARSET,
OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
DEFAULT_PITCH or FF_DONTCARE, '宋体');
if hFont <> 0 then
begin
SendMessage(Button1, WM_SETFONT, hFont, 0);
SendMessage(Label1, WM_SETFONT, hFont, 0);
SendMessage(Edit1, WM_SETFONT, hFont, 0);
end;
SetWindowText(Label1, pchar(gjs+':'));
SetFocus(Edit1);
UpdateWindow(Handle);
tid.cbSize := sizeof (tid);
tid.Wnd := handle;
tid.uID := 1;
tid.uFlags := nif_Message or nif_Icon or nif_Tip;
tid.uCallBackMessage := wm_User;
tid.hIcon := LoadIcon (hInstance, 'MAINICON');
lstrcpy (tid.szTip,st);
Shell_NotifyIcon (nim_Add, @tid);
while(GetMessage(Msg, Handle, 0, 0)) do
begin
TranslateMessage(msg);
DispatchMessage(msg);
end;
end.
