.


:




:

































 

 

 

 





( ) . , , : , , . , , , . , , . ( Delphi Visual C++), .

: , , , .

SetWindowRgn, CreateRectRgn, CreateRectRgnIndirect, SetRectRgn, CreateRoundRectRgn. CreateEllipticRgn, CreateEllipticRgnIndirect, CreatePolygonRgn, CreatePolyPolygonRgn.

Windows pdh.dll, , , , . , , . , , , , . , . , ( ). , , , . pdh.dll MSDN (., , Using the PDH Interface) , , . .

, a,b,c,d:

Ø ;

Ø a*x*x*x+b*x*x+c*x+d=0;

Ø y= a*x*x*x+b*x*x+c*x+d, ;

Ø y= a*x*x*x+b*x*x+c*x+d ;

Ø !.

 

: -. , : .

[1]. , , , . ( , ) , ... , . , !

Painter (.. ) , , ( , ), , , .





:


: 2016-11-24; !; : 353 |


:

:

- , .
==> ...

1746 - | 1561 -


© 2015-2024 lektsii.org - -

: 0.011 .