真鬱悶呀,就這點**,費半天勁,dotras怎麼會沒有這個功能呢?
dotras的就只有乙個獲取dotras.rasconnection.getactiveconnections這應該是活動連線
'呼叫方法
dim stradsl as string = ras.listadsl()
if stradsl <> "" then
dim arr() as string = split(stradsl, "|")
for i as integer = 1 to ubound(arr)
comboboxadsl.items.add(arr(i))
next i
if comboboxadsl.items.count > 0 then comboboxadsl.selectedindex = 0
end if
'以下部分放到類中
imports system.runtime.interopservices
imports system.text
public class ras
_private structure rasentryname
dim dwsize as integer
_dim szentryname as string
dim flags as integer
_dim szphonebookpath as string
end structure
private declare auto function rasenumentries lib "rasapi32.dll" ( _
byval reserved as string, _
byval phonebook as string, _
<[in](), out()> byval rasentrynames() as rasentryname, _
byref cntbytes as integer, _
byref cntentries as integer _
) as integer
public shared function listadsl() as string
dim tmpadsl as string = ""
dim lngrtn as long
dim entrycnt as long
dim entry(255) as rasentryname
entry(0).dwsize = marshal.sizeof(gettype(rasentryname))
lngrtn = rasenumentries(vbnullstring, vbnullstring, entry, entry(0).dwsize * 255, entrycnt)
dim i as long
for i = 0 to entrycnt - 1
tmpadsl = tmpadsl & "|" & entry(i).szentryname
next i
listadsl = tmpadsl
end function
end class
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