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Error 200: Divided by zero
Turbo Pascal?

Pascal? .

vb,vc? PascalTp 7.0? Help?

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? Pascal?

Turbo Pascal CRT? Graphic crt

chart

Turbo Pascal? With cathoderay tube

Graphic CRT? Chart use

United States Employment Service (United States Employment Service)

United States Employment Service (United States Employment Service)

*.TPW? Windows*。 TPU? disc operating system (DOS)

defined variable

procedure

Function?

kilobyte

Pascal?

crt? Graphic dos? system

handkerchief

1.

Pascal?

initgraph(GraphDriver,GraphMode,PathToDriver)

GraphDriver,GraphMode? ,PathToDriver? ,GraphDriver? ,

GraphMode? ,PathToDriver(? . BGI)? initgraph?

Program t00 1 (input, output);

Adopt crt, graphics;

defined variable

Gd:gm: integer; {? GraphDriver,GraphMode? }

begin

GD:= detect;

initgraph(gd,gm,' '); {? initgraph? ,PathToDriver?

initgraph(gd,gm,' c:\ TP \ bgi '); ?

}

Right (100,100,200); {( 100, 100),(200,200)

bar3d? }

Delay (1000); {? 10000? 10? }

End.

2.?

Closegraph?

:? .

Write?

Chart?

crtcrt

200 !

180?

?

1. line?

: program line (x 1, y 1, x2, y2: integer); . !

2. Lento?

: process lineato (x, y: integer); (x,y)。

1. Circle?

(x, y) radius?

Program circle (x, y: integer; Radius: word);

Circle (100,100,200) {? 100? 100? 200? }

1. ellipse?

(X,Y)XRadius? YRadiusStAngle? EndAngle

Program ellipse (x, y: integer; StAngle,EndAngle:Word; XRadius,YRadius:Word);

0?

1. arc?

: ? x? y? RadiusStAngle? EndAngle?

: program arc (x, y: integer; StAngle,EndAngle,Radius:Word);

: ? 0?

:Arc( 100, 100,0,90,50) {? 1/450, 100? 100? }

1. Bar?

x 1,y 1),(x2,y2)

Program bar (x 1, y 1, x2, y2: integer);

Bar( 100, 100,200,200) {? 100? 100200? 200? }

2.Bar3d?

:? .

: process Bar3d(x 1, y 1, x2, y2: integer, depth: word, top: boolean); {x 1,x2,y 1,y2? , top. }

,? ,?

1.setlinestyle?

:,.

: process setlinestyle (linestyle: word; Pattern: characters; Thickness: word);

: line style (? )? . ? 0, 1,2; ? :

Thickness (? ).? 1,3. 1.3.

2.GetLineSettings?

:? .

: procedure getlinesettings (var lineinfo: linesettingstylpe); {? LineSettingsType? }

3.LineSettingsType?

:LineSettingsType = record

line style:Word; {? }

Pattern: characters; {? }

Thickness: word; {? }

End;

.

,

pascal 16。

1.setcolor?

:procedure set Color(Color:Word);

..

2.GetColor?

:?

: function GetColor:word

:color:= GetColor; {color:word}

3.GetMaxColor?

:.

:num:= GetMaxColor; {num}

1.SetFillStyle?

Process SetFillStyle (mode: Word color: word);

Bar, bar three-dimensional

SetFillStyle

GraphResultgrError,

:& lt! [endif]& gt;

2.FillSettingsType?

:FillSettingsType = record

Pattern: characters;

Color: word

End;

.

f 1

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