Visual Component Library - Delphi Builder. , TComponent. . , ( ).
- TControl. - , . , TwinControl TgraphControl - TControl. TWincontrol : 1) ; 2) ; 3) . . . Label, Image, Shape. : TObject-TPersistent-TComponent-TControl-TwinControl/TgraphControl. . tconrol - , .
. . canvas. . .
Tcanvas. Canvas, . Form, label, Image, PaintBox1, StringGrid, DrawGrid . PaintBox System . Shape Additional . . Brush , Pen . canvas:
1) TextOut (X,Y: Integer; const Text: WideString); Text (X,Y) - .
2) MoveTo (X,Y: Integer); (X, Y).
3) LineTo(X,Y: Integer); (X, Y). (X, Y) .
. .
, : 1) (), ; 2) ; 3) .
: 0- , 1- , 2- ,
- . DiskSize(Drive:Byte):int 64. Diskfree(Drive:Byte):int 64. -1, . Drive .