zhengxian.frm

应该是不错的源码 望朋友们分享 应该是不错的源码 望朋友们分享

VERSION 5.00
Begin VB.Form Form1 
   AutoRedraw      =   -1  'True
   Caption         =   "Form1"
   ClientHeight    =   7710
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   10365
   DrawWidth       =   5
   BeginProperty Font 
      Name            =   "宋体"
      Size            =   9
      Charset         =   134
      Weight          =   700
      Underline       =   0   'False
      Italic          =   0   'False
      Strikethrough   =   0   'False
   EndProperty
   LinkTopic       =   "Form1"
   ScaleHeight     =   7710
   ScaleWidth      =   10365
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Command4 
      Caption         =   "坐标轴"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   8400
      TabIndex        =   4
      Top             =   1560
      Width           =   1335
   End
   Begin VB.CommandButton Command3 
      Caption         =   "退 出"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   8400
      TabIndex        =   3
      Top             =   4800
      Width           =   1335
   End
   Begin VB.CommandButton Command2 
      Caption         =   "余 弦"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   8400
      TabIndex        =   2
      Top             =   3720
      Width           =   1335
   End
   Begin VB.CommandButton Command1 
      Caption         =   "正 弦"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   14.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   8400
      TabIndex        =   1
      Top             =   2640
      Width           =   1335
   End
   Begin VB.PictureBox Picture1 
      AutoRedraw      =   -1  'True
      Height          =   6375
      Left            =   720
      ScaleHeight     =   6315
      ScaleWidth      =   7035
      TabIndex        =   0
      Top             =   480
      Width           =   7095
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Const pi As Single = 3.1415926

Private Sub Command1_Click()
Picture1.Cls
Command4_Click
Picture1.ForeColor = vbBlue

For i = -2 * pi To 2 * pi Step 0.001
   Picture1.PSet (i, Sin(i))
Next i
Picture1.CurrentX = -6
Picture1.CurrentY = 2
Picture1.Print "正弦曲线"
End Sub

Private Sub Command2_Click()
Picture1.Cls
Command4_Click
Picture1.ForeColor = vbRed
For i = -2 * pi To 2 * pi Step 0.001
   Picture1.PSet (i, Cos(i))
Next i

Picture1.CurrentX = -6
Picture1.CurrentY = 2
Picture1.Print "余弦曲线"
End Sub

Private Sub Command4_Click()
Picture1.Cls
Picture1.DrawWidth = 4
Picture1.ForeColor = vbBlack
Picture1.Scale (-2 * pi, 2)-(2 * pi, -2)        '绘制X,Y坐标
Picture1.Line (0, -2)-(0, 2)              '绘制Y轴
Picture1.Line (-2 * pi, 0)-(2 * pi, 0)    '绘制X轴
Picture1.PSet (0, 0), vbRed
Picture1.CurrentX = 0.3
Picture1.CurrentY = -0.05
Picture1.FontSize = 20
Picture1.Print "0"
End Sub