form1.frm

100个vb编程实例,什么都有

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "形象的动态三维饼图"
   ClientHeight    =   3270
   ClientLeft      =   3060
   ClientTop       =   1725
   ClientWidth     =   5280
   ForeColor       =   &H00FF0000&
   LinkTopic       =   "Form1"
   ScaleHeight     =   3270
   ScaleWidth      =   5280
   Begin VB.CommandButton Command1 
      Caption         =   "开始"
      Height          =   405
      Left            =   120
      TabIndex        =   1
      Top             =   120
      Width           =   1125
   End
   Begin VB.PictureBox Picture1 
      AutoRedraw      =   -1  'True
      AutoSize        =   -1  'True
      FillColor       =   &H000000C0&
      Height          =   3030
      Left            =   1335
      ScaleHeight     =   2970
      ScaleWidth      =   3780
      TabIndex        =   0
      Top             =   150
      Width           =   3840
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Dim PI, circStart, circEnd, gPercent, jPercent, nX, nY, rad
nX = Picture1.ScaleWidth \ 2
nY = Picture1.ScaleHeight \ 2

rad = 1000
gPercent = 75
jPercent = 25

PI = 22 / 7
circStart = (gPercent * PI) / 180
circEnd = (jPercent * PI) / 180

Picture1.DrawWidth = 1
Picture1.FillStyle = 0
Picture1.FillColor = vbBlue
'The For - Next is not nested for clarity
    For i = 1 To 200
    Picture1.Circle (nX, nY), rad, vbRed, -circStart, -circEnd, -1
    nX = nX + 1
    nY = nY + 1
Next i

Picture1.FillColor = vbRed
For j = 1 To 200
    'Adjusting the nX and nY moves the wedge
    Picture1.Circle (nX + 200, nY - 500), rad, vbBlue, -circEnd, -circStart, -1
    nX = nX + 1
    nY = nY + 1
Next j

End Sub