VB连接ACCESS数据库精简版
Option Explicit
Private Sub Form_Load()
'工程->引用->选中Microsoft ActiveX Data Objects 2.8 Library
Dim shujukulianjie As New ADODB.Connection
Dim jiluji As New ADODB.Recordset
'连接数据库的代码段
shujukulianjie.Open "Provider=Microsoft.Jet.OLEDB.4.0;Persist Security Info=False;Data Source=" & App.Path & "\database\shujuku.mdb"
'自己改动一下上面的路径和文件名即可，其他的代码你不理解照粘贴无妨
'对xingmingbiao表进行查询操作
jiluji.Open "Select * from xingmingbiao", shujukulianjie
End Sub
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http://www.bianceng.cn/Programming/vb/200812/11121.htm
http://zhidao.baidu.com/question/76929489.html?fr=qrl&cid=1073&index=2
http://topic.csdn.net/t/20060821/17/4965200.html
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Option Explicit
Dim potflag As Integer '标识是否用小数点
Dim numcol As Integer ' 点击运算符的个数
Dim LastInput ' 指示上一次操作的内容
Dim colflag ......
现在宽屏，大屏幕显示器越来越普遍，原来在800*600下设计的软件界面，在大屏幕显示器（1680*1050）上界面总是缩到一角，非常难看，要将老程序的界面按照不同的分辨率在重新进行设计编程，整个过程比较复杂而且实用性不大，如果原来程序比较大且界面比较多的话那么工作量也将是巨大的，而且还可能出现其他错误，有没有一种重 ......
Private Sub Form_load()
'判断程序是否已经运行
If App.PrevInstance
Then
MsgBox "本程序已经运行！", vbInformation Or vbOKOnly, "提示信息"
Unload
Me
Exit Sub
&n ......
Dim p(10000, 1) As Double
Dim num As Integer
Dim ptx As Single
Dim pty As Single
Dim w0, w1, w2, w3 As Single
Private Sub Command1_Click()
Dim t As Single
Dim i As Integer
Dim f0, f1, f2, f3 As Single
Picture1.DrawWidth = 3
For t = 0 To 1 St ......
http://topic.csdn.net/t/20060401/19/4656391.html
Private Declare Function GetCurrentProcess Lib "kernel32" () As Long
Private Declare Function SetPriorityClass Lib "kernel32" (ByVal hProcess As Long, ByVal dwPriorityClass As Long) As Long
Const IDLE_PRIORITY_CLASS = &H40 '新进程应该有非常低的 ......
