frmprint.frm

Visual Basic 6 大学教程的代码

VERSION 5.00
Begin VB.Form frmPrint 
   BackColor       =   &H00FFFFFF&
   Caption         =   "Fig. 9.6: Printing lines and rectangles to the Form"
   ClientHeight    =   3195
   ClientLeft      =   2865
   ClientTop       =   2340
   ClientWidth     =   5505
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   5505
   Begin VB.CommandButton cmdPrint 
      Caption         =   "Print"
      Height          =   495
      Left            =   2145
      TabIndex        =   0
      Top             =   2520
      Width           =   1215
   End
End
Attribute VB_Name = "frmPrint"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
' Fig. 9.6
' Printing lines and rectangles to the form
Option Explicit

Private Sub cmdPrint_Click()
   Dim x1 As Single, y1 As Single
   Dim x2 As Single, y2 As Single
   
   Call Randomize
   
   ' Randomly pick values to draw at
   x1 = Rnd() * Width
   y1 = Rnd() * Height
   x2 = Rnd() * Width
   y2 = Rnd() * Height
   
   ' Randomly decide which shape
   If (Rnd() < 0.5) Then
      Line (x1, y1)-(x2, y2)             ' Line
   Else
      Line (x1, y1)-(x2, y2), vbRed, B   ' Rectangle
   End If
   
End Sub