form1.frm

VB写的串口程序

VERSION 5.00
Begin VB.Form Form启动画面 
   Appearance      =   0  'Flat
   AutoRedraw      =   -1  'True
   BackColor       =   &H80000005&
   BorderStyle     =   0  'None
   Caption         =   "Form1"
   ClientHeight    =   2970
   ClientLeft      =   3270
   ClientTop       =   1920
   ClientWidth     =   8130
   ClipControls    =   0   'False
   DrawStyle       =   1  'Dash
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   Picture         =   "Form1.frx":0000
   ScaleHeight     =   2970
   ScaleWidth      =   8130
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
End
Attribute VB_Name = "Form启动画面"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
  'API函数Sleep 的声明
  Private Declare Sub Sleep Lib "kernel32" _
  (ByVal dwMilliseconds As Long)

Private Sub Form_Load()
Form启动画面.Show
Load Form系统主窗口 '载入窗体2
Dim time As Single
time = Timer
While Timer <= time + 3 '计时三秒钟
DoEvents
Wend

'Sleep 3000
Unload Form启动画面
Form系统主窗口.Show '显示窗体2
End Sub