Modern software design

unit Patchapi; interface uses Windows, SysUtils; const PATCH_OPTION_USE_BEST = $00000000; // auto choose best (slower) PATCH_OPTION_USE_LZX_BEST = $00000003; // auto choose best of LZX PATCH_OPTION_USE_LZX_A = $00000001; // normal PATCH_OPTION_USE_LZX_B = $00000002; // better on some x86 binaries PATCH_OPTION_USE_LZX_LARGE = $00000004; // better support for files >8MB PATCH_OPTION_NO_BINDFIX = $00010000; // PE bound imports PATCH_OPTION_NO_LOCKFIX = $00020000; // PE smashed locks PATCH_OPTION_NO_REBASE = $00040000; // PE rebased image PATCH_OPTION_FAIL_IF_SAME_FILE = $00080000; // don't create if same PATCH_OPTION_FAIL_IF_BIGGER = $00100000; // fail if patch is larger than simply compressing new file (slower) PATCH_OPTION_NO_CHECKSUM = $00200000; // PE checksum zero PATCH_OPTION_NO_RESTIMEFIX = $00400000; // PE resource timestamps PATCH_OPTION_NO_TIMESTAMP = $00800000; // don't store new file timestamp in patch PATCH_OPTION_SIGNATUR...

procedure Wait(lNumberOfSeconds : Longint); const _SECOND = 10000000; var lBusy : LongInt; hTimer : LongInt; liDueTime : LARGE_INTEGER; begin hTimer := CreateWaitableTimer(nil, True, 'WaitableTimer'); if hTimer = 0 then Exit; liDueTime.QuadPart := -10000000 * lNumberOfSeconds; SetWaitableTimer(hTimer, TLargeInteger(liDueTime), 0, nil, nil, False); repeat lBusy := MsgWaitForMultipleObjects(1, hTimer, False, INFINITE, QS_ALLINPUT); Application.ProcessMessages; Until lBusy = WAIT_OBJECT_0; // Close the handles when you are done with them. CloseHandle(hTimer); End; procedure TForm1.Button1Click(Sender: TObject); begin form1.Caption := 'start'; wait(10); form1.Caption := 'done'; end;

{***************************************************************************** Name : WaitForTask Author : Perevoznyk Serhiy Description : History : Date By Description ---- -- ----------- 08-07-2005 Perevoznyk Serhiy Initial creation of the Unit. *****************************************************************************} unit WaitForTask; interface uses Windows, Messages, SysUtils, Classes, Controls, Forms; type TCursorRestorer = class(TInterfacedObject) private FCursor : TCursor; FWindowHandle: HWND; FWaitTime : integer; protected procedure WndProc(var Msg: TMessage); public constructor Create(WaitTime : integer =0); virtual; destructor Destroy; override; procedure Restore; end; function Busy(WaitTime : integer = 0) : IUnknown; procedure WaitSleep(MS : Longint); implementation { TCursorRestorer } constructor TCursorRestorer.Create; begin ...

With this unit you can create and execute queries without using ADO components. The size of application is dramatically smaller.... unit ADOSupport; interface uses Windows, SysUtils, ActiveX, ADOInt; function ExecuteADOSQL(ConnectionString : string; UserName : string; Password : string; command : string) : integer; function CreateADOConnection(ConnectionString : string; UserName : string; Password : string) : _Connection; procedure ExecuteADOQuery(Connection : _Connection; command : string); procedure CloseConnection(Connection : _Connection); implementation function Succeeded(Res: HResult): Boolean; begin Result := Res and $80000000 = 0; end; function CreateADOObject(const ClassID: TGUID): IUnknown; var Status: HResult; FPUControlWord: Word; begin asm FNSTCW FPUControlWord end; Status := CoCreateInstance(ClassID, nil, CLSCTX_INPROC_SERVER or CLSCTX_LOCAL_SERVER, IUnknown, Result); asm FNCLEX FLDCW FPUControlWord end; if (Status = REGDB_E_CLAS...