使用VB创建PPPoE以及VPN拨号连接的核心代码
Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long)
Private Type GUID
Data1 As Long
Data2 As Integer
Data3 As Integer
Data4(7) As Byte
End Type
Private Type RASIPADDR
a As Byte
b As Byte
c As Byte
d As Byte
End Type
Private Type RASENTRY
dwSize As Long
dwfOptions As Long
dwCountryID As Long
dwCountryCode As Long
szAreaCode(10) As Byte
szLocalPhoneNumber(128) As Byte
dwAlternateOffset As Long
ipaddr As RASIPADDR
ipaddrDns As RASIPADDR
ipaddrDnsAlt As RASIPADDR
ipaddrWins As RASIPADDR
ipaddrWinsAlt As RASIPADDR
dwFrameSize As Long
dwfNetProtocols As Long
dwFramingProtocol As Long
szScript(259) As Byte
szAutodial
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VB颜色和RGB色互相转换头疼了我好一段时间,如今找到解决办法了
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Type RGB
Red As String
Green As String
Blue As String
End Type
Public Function ColorToRGB(ByVal dwColor As Long) As RGB
Dim clrHex ......
VB
If MSComm1.PortOpen = True Then MSComm1.PortOpen = False
MSComm1.CommPort = i1
MSComm1.PortOpen = True
MSComm1.InputMode = comInputModeBinary
MSComm1.InBufferCount = 0
& ......
珍贵vb函数列表
Variant 变量的内部表示:
_______________________________________________________________
符号常量 值 内部表示 字节数
V_EMPTY 0 Empty
V_NULL 1 Null
V_INTEGER 2 Interger 2
V_LONG 3 Long 4
V_SINGLE 4 Single 4
V_DOUBLE 5 Double 8
V_CURRENCY 6 Currency 8
V_DATE 7 Date 8
V_STRI ......
Private Sub Command1_Click()
Dim MyComm As New ADODB.Command '定义一个命令对象
Dim Rs_GetList As New ADODB.Recordset '定义一个记录集对象
Dim param As ADODB.Parameter ......
建立 VPN 拨号全部代码如下:
Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long)
Private Type GUID
Data1 As Long
Data2 As Integer
Data3 As Integer
......
