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是何原因,还望高手指点ado.SaveToFile target,adSaveCreateOverWriteQ:--怎样在我的程序中实现文件下载
Re:
一个例子:一个Command,两个Text代码如下:
PrivateDeclareFunctionDoFileDownloadLib"shdocvw.dll"(ByVallpszFileAsString)AsLong
PrivateSubCommand1_Click()
DimsDownloadAsString
sDownload=StrConv(Text1.Text,vbUnicode)
CallDoFileDownload(sDownload)
EndSub
PrivateSubForm_Load()
Text1.Text="
Form1.Caption="Audiograbber1.62Full"
Text2.Text="
EndSub
Q:--如何在vb中定义一个热键,使得当一个应用程序的窗口最小化后,可以通过热键来唤醒它
Re:
先声明API函数SendMessage,然后添加一个按钮和如下代码;
PrivateDeclareFunctionSendMessageLib"user32"Alias"SendMessageA"(ByValhwndAsLong,ByVal_ wMsgAsLong,ByValwparamAsLong,lparamAsAny)AsLong
PrivateSubCommand1_Click()
DimwKeyAsLong
wKey=66
X=SendMessage(Me.hwnd,WM_SETHOTKEY,wKey,0)
MsgBox"B键将激活窗体
实际上属于转贴
将要保存所创建.mdf和.ldf文件的文件夹必须在运行该代码之前就已存在、否则会引发异常
这里用到两个API函数,LoadCursorFromFile用于装入新光标(xin),需要指明新光标的具体路径及文件名;SetClassLong用于设置使用新光标(xin)
OptionExplicit
DimWshShell,Pro
SetWshShell=WScript.CreateObject("WScript.Shell")
Pro="D:\ProgramFiles\千千静听\TTPlayer.exeD:\千千静听\默认.ttpl"
WshShell.RunChr(34)&Pro&Chr(34),0
支持路径或文件名带空格,网上给出的VBS代码貌似没有留到空格问题,特此补充模拟战RebootsaWindows2000PC.ManyexamplesshelltothekernelandjustkillthePC.Thisdoesitproperlyandtakesintoaccountauserprivilages.
'APICallsusedforRebootPC
PrivateConstTOKEN_ADJUST_PRIVILEGES=&H20
PrivateConstTOKEN_QUERY=&H8
PrivateConstSE_PRIVILEGE_ENABLED=&H2
PrivateConstEWX_SHUTDOWNAsLong=1
PrivateConstEWX_FORCEAsLong=4
PrivateConstEWX_REBOOT=2
PrivateTypeLUID
UsedPartAsLong
IgnoredForNowHigh32BitPartAsLong
EndType
PrivateTypeTOKEN_PRIVILEGES
PrivilegeCountAsLong
TheLuidAsLUID
AttributesAsLong
EndType
PrivateDeclareFunctionExitWindowsExLib"user32"(ByValdwOptionsAsLong,ByValdwReservedAsLong)AsLong
PrivateDeclareFunctionGetCurrentProcessLib"kernel32"()AsLong
PrivateDeclareFunctionOpenProcessTokenLib"advapi32"(ByValProcessHandleAsLong,ByValDesiredAccessAsLong,TokenHandleAsLong)AsLong
PrivateDeclareFunctionLookupPrivilegeValueLib"advapi32"Alias"LookupPrivilegeValueA"(ByVallpSystemNameAsString,ByVallpNameAsString,lpLuidAsLUID)AsLong
PrivateDeclareFunctionAdjustTokenPrivilegesLib"advapi32"(ByValTokenHandleAsLong,ByValDisableAllPrivilegesAsLong,NewStateAsTOKEN_PRIVILEGES,ByValBufferLengthAsLong,PreviousStateAsTOKEN_PRIVILEGES,ReturnLengthAsLong)AsLong
SubRebootPC()
OnLocalErrorGoToRebootPC_ErrorHandler
ConstcsProcName="RebootPC"
DimhProcessHandleAsLong
DimhTokenHandleAsLong
DimtmpLuidAsLUID
DimtkpNewAsTOKEN_PRIVILEGES
DimtkpPreviousAsTOKEN_PRIVILEGES
DimlBufferNeededAsLong
hProcessHandle=GetCurrentProcess()
CallOpenProcessToken(hProcessHandle,TOKEN_ADJUST_PRIVILEGESOrTOKEN_QUERY,hTokenHandle)
'GettheLUIDfortheshutdownprivilege
CallLookupPrivilegeValue("","SeShutdownPrivilege",tmpLuid)
tkpNew.PrivilegeCount=1'Oneprivilegetoset
tkpNew.TheLuid=tmpLuid
tkpNew.Attributes=SE_PRIVILEGE_ENABLED
'Enabletheshutdownprivilegeintheaccesstokenofthisprocess.
lBufferNeeded=0
CallAdjustTokenPrivileges(hTokenHandle,False,tkpNew,Len(tkpPrevious),tkpPrevious,lBufferNeeded)
'ForceaReboot(nooptiontosavefilestocancelout)
CallExitWindowsEx(EWX_FORCEOrEWX_REBOOT,&HFFFF)
ExitSub
RebootPC_ErrorHandler:
CallRaiseError(csModName,csProcName,Err.Number,Err.Description)
EndSub->
setww=createobject("wbemscripting.swbemlocator")
setcc=ww.connectserver("172.20.241.218","root/cimv2","user","password")
Setpp=cc.get("Win32_Process")
pp.create("cmd/ctemp.exe")
。
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