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< ><b>帮帮忙,跪下谢谢斑竹,VB</b></P>< > rivate Function PrintWord(x, Y, Word As String)
" W8 R: H, c7 L+ n6 u v: PWith Picture1
# r) Q2 D5 U$ L, ^, o* |9 G5 H) r7 p.CurrentX = x/ J! y' h3 ]* [# E& C
.CurrentY = Y
8 _3 z. U/ h* [.ForeColor = RGB(0, 0, 255)
/ H- f. w, ?4 yEnd With
; {$ i6 @: V! K' G) yPicture1.Print Word
6 ~) c$ ]* p# z' R' sEnd Function, h9 G a: ]- z8 @) S
'定义画点函数
# U! v9 S: {0 |* p/ U U" [7 lPrivate Function DrawDot(Px, Py, Color): g/ Y' D- `6 n( l
Picture1.PSet (Px, Py), Color
/ J1 X2 s8 q1 x3 ?End Function+ S7 `1 k, K# j' O# p9 _
Sub XY() '建立直角坐标系
7 f- `- r! T/ f9 r" sPicture1.DrawWidth = 1 '设置线条宽度2 e$ c& e+ `$ }% L, B% b: Y
Picture1.Cls5 H- W6 ]3 m- R! x
'设定用户坐标系,坐标原点在Picture1中心. {2 r6 N' l' Q, R) m* z, |
Picture1.Scale (-10, 10)-(10, -10)! `6 H2 o' ^4 h' s# P
Picture1.Line (-10, 0)-(10, 0), RGB(0, 0, 255)$ L* N4 m' I3 ~7 ~% \( K6 ]
Picture1.Line -(9.5, 0.5), RGB(0, 0, 255)
; P% x$ s2 M# S' W( a% Q5 _Picture1.Line (10, 0)-(9.5, -0.5), RGB(0, 0, 255). U; M: _" z) s4 Y; p
Picture1.ForeColor = RGB(0, 0, 255)& s/ P5 h+ d" ~" r2 Y4 }0 ^6 y7 O
Picture1.Print "X"5 q% I, {& b& U, C; G# I2 o
'画 X 轴
3 K# `& V) P: Y7 l% ^. nPicture1.Line (0, -10)-(0, 10), RGB(0, 0, 255)
! e1 ~- a' T$ y. @& PPicture1.Line -(0.5, 9.5), RGB(0, 0, 255)" A. a/ Z; S! R4 ~; K
Picture1.Line (0, 10)-(-0.5, 9.5), RGB(0, 0, 255)
9 \0 ^; E! l$ m! h! VPicture1.Print "Y"8 S" K! M% [# }! ^% t& ^ t
'画 Y 轴 Y- W" P* c) l) \1 t9 B
For lin = -9 To 9: m& ^& |+ C6 a" u, A. A
Picture1.Line (lin, 0)-(lin, 0.25)
4 Q3 B4 U7 o. D+ Ywor = PrintWord(lin - 0.5, -0.5, Str(lin))
" y' Q( w5 P f9 |Picture1.Line (0, lin)-(-0.25, lin)1 A* Z* z/ j, Y4 V& B8 L2 C
If lin <> 0 Then
0 e) c& a% j/ h1 Awor = PrintWord(-0.9, lin, Str(lin))4 s7 ]) v L+ a* Z/ e4 b. h- V( K
End If! T. L' e; w5 h1 W, f8 \
Next lin3 H5 K- x$ ^" c
Picture1.DrawWidth = 1& U0 Y8 y9 ^2 X7 ?' o' Z
End Sub/ p4 k! z4 l; Z; E5 v9 F
Private Sub cmdPlot_Click()' Q0 r4 t! P9 W3 S* G+ i" X1 r. q
XY5 r3 ~% {. Q/ g
On Error Resume Next' c( g h& A( X' @
Dim x As Double, Y As Double/ r: I/ T9 c' U2 \+ f
Randomize
' W6 [9 `3 C! B1 P " G; ~! y) t% i4 R
SC.Reset
2 S" @2 f( f' @$ t8 t+ b5 Y SC.AddCode "Function RunThis(X)" & vbCrLf & "RunThis=" & txtEquation & vbCrLf & "End Function"4 e3 H% U- z- r- B& e" Z- [
For x = -15 To 15 Step 0.001: G. c" Q* _: f% `: m, x
Y = SC.Run("runthis", x)
( ?+ k' C+ g& Y% t+ S/ v0 S V DoEvents
2 q9 @* I {; g5 i: R$ R Picture1.PSet (x, Y), RGB(250, 0, 0)8 R# ?7 a4 X# U
Next x7 K, G8 n: t, S
End Sub</P>< > rivate Sub Command2_Click()! L! y3 W9 I+ S7 m5 s; f
XY+ ~- B& M# D$ @; V0 b
End Sub</P>< > rivate Sub Command3_Click()" B. [0 B8 }1 | G* x' X3 F
End
: e1 k* x9 o- v6 U$ \$ H4 [End Sub</P>< >& M0 U. f. n4 d* A6 k% F5 F
Private Sub Form_Load()
% L6 F+ u5 E2 Z" ?: K) B4 S1 M5 iMe.Caption = "美丽曲线——山东省商河一中路来民"" U$ R5 f. j* }& f. W
Me.Show1 x% v0 j6 C# z0 s3 [
Me.AutoRedraw = True
- k1 K9 A( Y& S# G& J) gXY: H) W: b2 @; }2 C* U0 n% B8 p) Z
End Sub
D1 A" L+ o$ O; T控件</P>< >为仕么Y=LOG(X),SQR(X)也有图象(X轴负半轴), SC为MS.SCRIPT.control请帮忙,谢谢斑竹,跪谢!!!</P> |
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