PrintScreen mouse tamanho

// 1. Get the handle to the current mouse-cursor and its position
function GetCursorInfo2: TCursorInfo;
var
 hWindow: HWND;
 pt: TPoint;
 pIconInfo: TIconInfo;
 dwThreadID, dwCurrentThreadID: DWORD;
begin
 Result.hCursor := 0;
 ZeroMemory(@Result, SizeOf(Result));
 // Find out which window owns the cursor
 if GetCursorPos(pt) then
 begin
   Result.ptScreenPos := pt;
   hWindow := WindowFromPoint(pt);
   if IsWindow(hWindow) then
   begin
     // Get the thread ID for the cursor owner.
     dwThreadID := GetWindowThreadProcessId(hWindow, nil);

     // Get the thread ID for the current thread
     dwCurrentThreadID := GetCurrentThreadId;

     // If the cursor owner is not us then we must attach to
     // the other thread in so that we can use GetCursor() to
     // return the correct hCursor
     if (dwCurrentThreadID <> dwThreadID) then
     begin
       if AttachThreadInput(dwCurrentThreadID, dwThreadID, True) then
       begin
         // Get the handle to the cursor
         Result.hCursor := GetCursor;
         AttachThreadInput(dwCurrentThreadID, dwThreadID, False);
       end;
     end
     else
     begin
       Result.hCursor := GetCursor;
     end;
   end;
 end;
end;

// 2. Capture the screen
function CaptureScreen: TBitmap;
var
 DC: HDC;
 ABitmap: TBitmap;
 MyCursor: TIcon;
 CursorInfo: TCursorInfo;
 IconInfo: TIconInfo;
begin
 // Capture the Desktop screen
 DC := GetDC(GetDesktopWindow);
 ABitmap := TBitmap.Create;
 try
   ABitmap.Width  := GetDeviceCaps(DC, HORZRES);
   ABitmap.Height := GetDeviceCaps(DC, VERTRES);
   // BitBlt on our bitmap
   BitBlt(ABitmap.Canvas.Handle,
     0,
     0,
     ABitmap.Width,
     ABitmap.Height,
     DC,
     0,
     0,
     SRCCOPY);
   // Create temp. Icon
   MyCursor := TIcon.Create;
   try
     // Retrieve Cursor info
     CursorInfo := GetCursorInfo2;
     if CursorInfo.hCursor <> 0 then
     begin
       MyCursor.Handle := CursorInfo.hCursor;
       // Get Hotspot information
       GetIconInfo(CursorInfo.hCursor, IconInfo);
       // Draw the Cursor on our bitmap
       ABitmap.Canvas.Draw(CursorInfo.ptScreenPos.X - IconInfo.xHotspot,
                           CursorInfo.ptScreenPos.Y - IconInfo.yHotspot, MyCursor);
     end;
   finally
     // Clean up
     MyCursor.ReleaseHandle;
     MyCursor.Free;
   end;
 finally
   ReleaseDC(GetDesktopWindow, DC);
 end;
 Result := ABitmap;
end;

// Example: Capture the screen and include the cursor.
// Show the Screenshot in Image1

procedure TForm1.Button1Click(Sender: TObject);
begin
  Image1.Picture.Assign(CaptureScreen);
end;