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 ×îÐÂÎÄÕ : vb

VB coding

1.ÓÃVB6ÅжÏÎļþ´æÔÚÃî·¨
ÔÚ±à³Ìʱ¾­³£»áÓõ½ÅжÏÎļþÊÇ·ñ´æÔÚ£¬±ÈÈç¶ÔÎļþ×ö¶Áд²Ù×÷Ç°£¬»òÊÇÅжÏÃÜÔ¿ÎļþÊÇ·ñ´æÔڵȡ£Åжϵķ½·¨Óкܶ࣬ÓÐЩ·½·¨ËäºÜʵÓ㬵«Óе㷱Ëö¡£Æäʵ»¹¿ÉÒÔÓиü¼òµ¥µÄ·½·¨£¬¾ÍÊÇʹÓÃVB 6.0ÌṩµÄFileSystemObject¶ÔÏó¡£
¡¡¡¡FileSystemObject¶ÔÏó²»ÊÇVBÄÚÖöÔÏó£¬Ê¹ÓÃÇ°±ØÐëÊ×ÏÈÑ¡Ôñ[¹¤³Ì]→[ÒýÓÃ]£¬ÔÚ³öÏֵĴ°¿ÚÖÐÑ¡Ôñ“Microsoft Scripting Runtime”£¬È»ºóÀûÓÃFileSystemObjectµÄFileExists·½·¨À´ÅжÏÎļþÊÇ·ñ´æÔÚ¡£Ê¾Àý³ÌÐò´úÂëÈçÏ£º
¡¡¡¡Private Sub Command1_Click()
¡¡¡¡ ′ÒýÓÃFileSystemObject¶ÔÏó
¡¡¡¡ Dim fs As New FileSystemObject
¡¡¡¡ ′ÀûÓÃFileSystemObject¶ÔÏóµÄFileExists
¡¡¡¡ ′·½·¨ÅжÏÎļþÊÇ·ñ´æÔÚ
¡¡¡¡ If fs.FileExists(″c:\£ª.gif″) Then
¡¡¡¡ MsgBox ″Îļþ´æÔÚ″
¡¡¡¡ Else
¡¡¡¡¡¡¡¡¡¡¡¡MsgBox ″Îļþ²»´æÔÚ″
¡¡¡¡¡¡¡¡End If
¡¡¡¡End Sub
¡¡¡¡Áé»îÔËÓÃFileSystemObject¶ÔÏó¿ÉÒÔ½â¾öÓëÎļþ²Ù×÷ÓйصĴ󲿷ÖÎÊÌâ¡£
¡¡¡¡ÒÔÉϳÌÐòÔÚPWin 98,VB 6.0ÖÐÎÄÆóÒµ°æÖÐÔËÐÐͨ¹ý¡£
2.    CheckboxÑ¡Ôñ
chkBlacklis ......

VB/VB.NET ½ûÖ¹Ò»¸ö³ÌÐòÔËÐжà´Î

VB.NET ½ûÖ¹Ò»¸ö³ÌÐòÔËÐжà´Î´úÂë:
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
If UBound(Diagnostics.Process.GetProcessesByName(Diagnostics.Process.GetCurrentProcess.ProcessName)) > 0 Then
MsgBox("µ±Ç°³ÌÐòÒÑÔËÐÐ,Çë½áÊø½ø³ÌºóÖØдò¿ª£¡", vbOKOnly, "Ìáʾ")
Me.Close()
End If
End Sub
''''''''''''''''''''''''''''''''''''
'³ÌÐò´úÂ벿·Ö
'.................
'
'''''''''''''''''''''''''''''''''''
End Class
VB½ûÖ¹Ò»¸ö³ÌÐòÔËÐжà´Î´úÂë:
Private Sub Form_Load()
If App.PrevInstance Then
MsgBox "µ±Ç°³ÌÐòÒÑÔËÐÐ,Çë½áÊø½ø³ÌºóÖØдò¿ª£¡", vbOKOnly, "Ìáʾ"
End If
End Sub
''''''''''''''''''''''''''''''''''''
'³ÌÐò´úÂ벿·Ö
'.................
'
''''''''''''''''''''''''''''''''''' ......

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¡¡¡¡Ò»¡¢Ö¸ÕëÊÇʲô£¿
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¡¡¡¡¹ØÓÚһß߼¶µÄ³ÌÐòÉè¼ÆÓïÑÔÊDz»ÊÇÓ¦¸ÃÈ¡ÏûÖ¸Õë²Ù×÷£¬¹ØÓÚûÓÐÖ¸Õë²Ù×÷Ëã²»ËãÒ»ÃÅÓïÑÔµÄÓŵ㣬ÎÒÔÚÕâÀï²»ÌÖÂÛ£¬ÒòΪ»¥ÁªÍøÉϹØÓÚÕâ·½ÃæµÄûÓнá¹ûµÄÌÖÂÛ£¬ÒѾ­Ôì³ÉÁËÕ¼Óü¸¸öGBµÄ×ÊÔ´¡£ÎÞÂÛ×îÖÕÄãÊDz»ÊÇҪ϶¨¾öÐÄÐÞÏ°Ö¸Õë¼¼Êõ¡¶¿û»¨±¦µä¡·£¬Á˽âÕâÃŹ¦·ò×ÜÊÇÓÐÒæ´¦µÄ¡£
¡¡¡¡×¢Ò⣺ÔÚVBÀ¹Ù·½ÊDz»¹ÄÀøʹÓÃʲôָÕëµÄ£¬±¾ÎÄËù½²µÄÈκζ«Î÷Ä㶼±ðÖ¸ÍûÈ¡µÃ¹Ù·½µÄ¼¼ÊõÖ§³Ö£¬Ò»Çж ......

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¡¡¡¡×÷ΪһÖÖ¼òµ¥Ò×ÓõÄWindows¿ª·¢»·¾³£¬Visual Basic´ÓÒ»ÍƳö¾ÍÊܵ½Á˹ã´ó±à³ÌÈËÔ±µÄ»¶Ó­¡£Ëüʹ ³ÌÐòÔ±²»±ØÔÙÖ±½ÓÃæ¶Ô·×·±¸´ÔÓµÄWindowsÏûÏ¢£¬¶ø¿ÉÒÔ½«¾«Á¦Ö÷Òª¼¯ÖÐÔÚ³ÌÐò¹¦ÄܵÄʵÏÖÉÏ£¬´ó´óÌá¸ßÁ˱à³ÌЧÂÊ¡£µ«·²ÊÂÓÐÀû±ØÓбס£VBÖи߶ȵķâ×°ºÍÄ£¿é»¯¼õÇáÁ˱à³ÌÕߵĸºµ££¬Í¬Ê±Ò²Ê¹¿ª·¢ÈËԱʧȥÁËÐí¶à·ÃÎʵͲãAPIº¯ÊýºÍÖ±½ÓÓëWindows½»»¥µÄ»ú»á¡£Òò´Ë£¬Ïà±È¶øÑÔ£¬VBÓ¦ÓóÌÐòµÄÖ´ÐÐЧÂʺ͹¦ÄܱÈC/C++»òDelphiÉú³ÉµÄ³ÌÐòÒª²î¡£ÎªÁ˽â¾öÕâ¸öÎÊÌ⣬ÔÚÒ»¸ö´óÐ͵ÄVB¿ª·¢Ó¦ÓÃÖУ¬Ö±½Óµ÷ÓÃWindows APIº¯Êý¼¸ºõÊDz»¿É±ÜÃâµÄ£»Í¬Ê±£¬»¹ÓпÉÄÜÐè Òª³ÌÐòÔ±×Ô¼ºÓÃC/C++µÈ¿ª·¢Ò»Ð©¶¯Ì¬Á¬½Ó¿â£¬ÓÃÓÚÔÚVBÖе÷Óᣱ¾ÎÄÖ÷ÒªÌÖÂÛÔÚ32λ¿ª·¢»· ¾³Visual Basic 5.0ÖÐÖ±½Óµ÷ÓÃWindows 95 APIº¯Êý»òÓû§Éú³ÉµÄ32λ¶¯Ì¬Á¬½Ó¿âµÄ·½·¨ Óë¹æÔò¡£
¡¡¡¡Windows¶¯Ì¬Á¬½Ó¿âÊÇ°üº¬Êý¾ÝºÍº¯ÊýµÄÄ£¿é£¬¿ÉÒÔ±»ÆäËü¿ÉÖ´ÐÐÎļþ£¨EXE¡¢DLL¡¢OCX µÈ£©µ÷Ó᣶¯Ì¬Á¬½Ó¿â°üº¬Á½ÖÖº¯Êý£ºÊä³ö£¨exported£©º¯ÊýºÍÄÚ²¿£¨internal£©º¯Êý¡£Êä³öº¯Êý¿ÉÒÔ±»ÆäËüÄ£¿éµ÷Ó㬶øÄÚ²¿º¯ÊýÔòÖ»ÄÜÔÚ¶¯Ì¬Á¬½Ó¿âÄÚ ......

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ON ERROR RESUME NEXT
Dim VOL_PROD_KEY
if Wscript.arguments.count<1 then
VOL_PROD_KEY=InputBox("Powered By www.cnbeta.com"&vbCr&vbCr&" ±¾³ÌÐò½«×Ô¶¯Ìæ»»Ä㵱ǰ Windows µÄÐòÁкÅ,ͨ¹ý΢ÈíÑéÖ¤ÍêÈ«Õý°æ¡£"&vbCr&vbCr&"ÐòÁкÅ(OEM°æÎÞЧ,ĬÈϰ汾Ϊ XP VLK)£º","Windows XPÐòÁкÅ×Ô¶¯¸ü»»Æ÷","MRX3F-47B9T-2487J-KWKMF-RPWBY")
if VOL_PROD_KEY="" then
Wscript.quit
end if
else
VOL_PROD_KEY = Wscript.arguments.Item(0)
end if
VOL_PROD_KEY = Replace(VOL_PROD_KEY,"-","") 'remove hyphens if any
for each Obj in GetObject("winmgmts:{impersonationLevel=impersonate}").InstancesOf ("win32_WindowsProductActivation")
result = Obj.SetProductKey (VOL_PROD_KEY)
if err = 0 then
Wscript.echo "OK£¡È¥Î¢ÈíÑéÖ¤°É£¡"
end if
if err <> 0 then
Wscript.echo "Ì滻ʧ°Ü£¡ÊäÈëµÄ CD-KEY Ó뵱ǰµÄ°æ±¾²»Æ¥Åä¡£"
Err.Clear
end if
Next
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¾Ý˵vb6ÖÐ,×Ö ·û´®ÒÔÒÔUNICODE·½Ê½´æ´¢£¬ËùÒÔ
Private Type UDT
lngM1 As Long
lngM2 As Long
strM3 As String * 18
strM4 As String * 8
lngM5 As Long
End Type
Private Sub Command4_Click()
Dim tmp As UDT
With tmp
.lngM1 = 1
.lngM2 = 2
' .strM3 = "Ò»¶þÈýËÄÎåÁùÆ߰˾Åʮһ¶þÈýËÄÎåÁùÆß°Ë"
.strM3 = "Ò»¶þÈýËÄÎåÁùÆ߰˾Å"
' .strM3 = "ABCD"
.strM4 = "²âÊÔABC"
.lngM5 = 5
End With

Dim bytBuf() As Byte
ReDim bytBuf(Len(tmp) - 1)
CopyMemory bytBuf(0), tmp, Len(tmp)

Winsock1.SendData bytBuf
End Sub

vc6Öж¨ÒåÏà¶ÔÓ¦µÄ½á¹¹Ì壺
typedef struct{
long lM1;
long lM2;
char szM3[18];
char szM4[8];
long lM5;
}UDT;
//¡£¡£¡£¡£¡£¡££¨Ê¡ÂÔ²¿·Ö´úÂ룩
char recvBuf[128];
UDT t;
while(true)
{
memset(&t,0,sizeof(t));
memset(recvBuf,0,sizeof(recvBuf));
//½ÓÊÕÊý¾Ý
int recvlen=recvfrom(svr,recvBuf,128,0,(sockaddr*)&a ......
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