Советы по Delphi. Версия 1.4.3 от 1.1.2001

Озеров Валентин

begin

 //Положение курсора мыши задается в "абсолютных" координатах ("Mickeys"),

 //где 65535 "Mickeys" равно ширине экрана.

 absPoint.x := Round(absPoint.x * (65535 / Screen.Width));

 absPoint.y := Round(absPoint.y * (65535 / Screen.Height));

 {Переместим курсор мыши}

 Mouse_Event(MOUSEEVENTF_ABSOLUTE or MOUSEEVENTF_MOVE, absPoint.x, absPoint.y, 0, 0);

 if down then Mouse_Event(MOUSEEVENTF_ABSOLUTE or MOUSEEVENTF_LEFTDOWN, absPoint.x, absPoint.y, 0, 0);

 if up then Mouse_Event(MOUSEEVENTF_ABSOLUTE or MOUSEEVENTF_LEFTUP, absPoint.x, absPoint.y, 0, 0);

end;

//просимулировать

нажатие клавиши мыши

procedure SendMouseClick(x,y:integer;wHandle:THandle);

begin

 sendmessage(wHandle, WM_LBUTTONDOWN, MK_LBUTTON, x+(y shl 16));

 sendmessage(wHandle, WM_LBUTTONUP, MK_LBUTTON, x+(y shl 16));

 application.processMessages;

end;

procedure monitorState(state:boolean);

begin

 if state then SendMessage(Application.Handle, wm_SysCommand, SC_MonitorPower, -1)

 else SendMessage(Application.Handle, wm_SysCommand, SC_MonitorPower, 0);

end;

procedure execWait(const comLine:string);

var

 si:Tstartupinfo;

 p:Tprocessinformation;

begin

 fillChar(Si, SizeOf(Si), 0);

 with Si do begin

cb := SizeOf(Si);

dwFlags := startf_UseShowWindow;

wShowWindow := 4;

 end;

 Createprocess(nil, pChar(comLine), nil, nil, false, Create_default_error_mode, nil, nil, si, p);

 Waitforsingleobject(p.hProcess, infinite);

end;

procedure shellExec(const fileName:string);

begin

 shellExecute(0, Nil, pChar(fileName), Nil, Nil, SW_NORMAL);

end;

procedure Delay(msecs : DWORD);

var

 FirstTick : DWORD;

begin

 FirstTick:=GetTickCount;

 repeat

Application.ProcessMessages;

 until GetTickCount-FirstTick >= msecs;

end;

function HDDSerialNum(const drivePath:string{'C:\'}):integer;

var

 SerialNum:Pdword;

 a,b:Dword;

 buffer:array [0..255] of char;

begin

 result:=0;

 new(SerialNum);

 if getVolumeInformation(pChar(drivePath), buffer, sizeof(buffer), SerialNum, a, b, nil, 0) then result:=SerialNum^;

 Dispose(SerialNum);

end;

//фактически

определяется запущена ли сейчас среда Delphi

function isDelphiRunning:boolean;

var H1, H2, H3, H4 : Hwnd;

const

 A1 : array[0..12] of char = 'TApplication'#0;

 A2 : array[0..15] of char = 'TAlignPalette'#0;

 A3 : array[0..18] of char = 'TPropertyInspector'#0;

 A4 : array[0..11] of char = 'TAppBuilder'#0;

begin

 result:=false;

 H1 := FindWindow(A1, nil);

 H2 := FindWindow(A2, nil);

 H3 := FindWindow(A3, nil);

 H4 := FindWindow(A4, nil);

 if (H1 <> 0) and (H2 <> 0) and (H3 <> 0) and (H4 <> 0) then result:=true;