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I have an application with fileSystemWatcher,
When the user open the application, and use another application, for example, MS WORD, my application will be on background (but not minimize), How can I make my application on the top of screen when the fileSystemWatcher event fire(create file) ?
I have tried, me.show, me.topmost, ... but all fail to get the goal.
Thank you.
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Hello
I have placed a background picture behind the cell of a table however the picture size is large than the cell's size. How can I adjust the size of the picture according to size of the cell? Some DHTML please...
Thanks
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You can't resize a background image using CSS or DHTML.
-- modified at 18:21 Tuesday 25th April, 2006
Why are you asking for DHTML in the VB forum anyway?
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how can i transfer files using TCPClient with a client/server in vb.net
thanks in advance!
Lxcite's Planet
... the ultimate solution
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This site has many tutorials on this subject. Just use the search, it will not bite you.
--------------------------------------------------------
My development blog
Q:What does the derived class in C# tell to it's parent?
A:All your base are belong to us!
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Hello!
I am dealing with asp and I wanted to place a background picture behind a cell vith VBScript + asp. However the picture is not getting displayed. Here is the source code when I edit the page
style="background-image: url('../images/bart_3.jpg') background-repeat: no-repeat; background-attachment: fixed; background-position: center "
Here is the my asp code
<%Response.Write ("style=""background-image: url('../images/" + ObjectRecord("Picture1") + "') background-repeat: no-repeat; background-attachment: fixed; background-position: center """)%>
Thanks!
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You are missing a semicolon after the url. Using background-attachment: fixed without repeat means that it will only be visible if the cell is at the absolute center of the window, as the position will be centered according to the window, not the cell.
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I need to code where I can change the IP address to a static IP address and then to DHCP based on users choice.
Any code in VB.NET to do this?
The DOS command is
netsh interface ip set address local static 192.168.1.99 255.255.255.0
and
netsh interface ip set address local dhcp
TIA
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You can run console commands via the Diagnostics.Process[^] class.
Dim arguments As String = "interface ip set address local static 192.168.1.99 255.255.255.0"
System.Diagnostics.Process.Start("netsh", arguments)
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following code uses system.management classes(WMI)
CODE TO SET STATIC IP:
Sub IPchange()
Try
Dim inPar, outPar As ManagementBaseObject
Dim mc As New ManagementClass("Win32_NetworkAdapterConfiguration")
Dim moc As ManagementObjectCollection = mc.GetInstances()
For Each mo As ManagementObject In moc
If DirectCast(mo("IPEnabled"), Boolean) Then
inPar = mo.GetMethodParameters("EnableStatic")
inPar("IPAddress") = New String() {txtIP.Text}
inPar("SubnetMask") = New String() {txtSubnet.Text}
outPar = mo.InvokeMethod("EnableStatic", inPar, Nothing)
flag = True
MsgBox("IP Address successfully changed!!!", MsgBoxStyle.Information, "IP Changed")
Exit For
End If
Next
Catch ex As Exception
MsgBox("Error:" & ex.Message, MsgBoxStyle.Critical, "Error")
txtIP.Enabled = True
txtSubnet.Enabled = True
flag = False
End Try
CODE TO SET DHCP
Try
Dim t As Single
Dim objWMIService, objComputer As Object
objWMIService = GetObject("Winmgmts:root\cimv2")
objComputer = objWMIService.InstancesOf("Win32_NetworkAdapterConfiguration")
' Call always gets only one Win32_ComputerSystem object.
For Each objComputer In objWMIService.InstancesOf("Win32_NetworkAdapterConfiguration")
t = objComputer.EnableDHCP()
If t <> 0 Then
'MsgBox("Error!!! Cann't enable DHCP at this time.", MsgBoxStyle.Critical, "Error")
Else
MsgBox("DHCP Enabled!!!", MsgBoxStyle.Information, "Enable DHCP")
End If
Next
Catch ex As Exception
End Try
BYE!
Lxcite's Planet
... the ultimate solution
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Thanks for the response and the code. All I can say is wow! I need more books on this stuff to catch up. Going through the IPchange() I get ManagementObjectCollection is not defined and the same for ManagementObject. I also get flag is not declared.
Where is it actually changing the IP address?
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sell
netsh -f d:\ipchange\working.txt
pushd interface
reset all
popd
pushd interface ipv6
uninstall
popd
pushd interface ipv6 isatap
popd
pushd interface ipv6 6to4
reset
popd
pushd interface portproxy
reset
popd
pushd interface ip
set address name="本地连接" source=static addr=132.110.77.116 mask=255.255.255.0
set address name="本地连接" gateway=132.110.77.1 gwmetric=0
set dns name="本地连接" source=static addr=202.96.128.68 register=PRIMARY
set wins name="本地连接" source=static addr=10.16.6.88
popd
asfd
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 is this?
Dave Kreskowiak
Microsoft MVP - Visual Basic
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Hi all!
How can i lock Ctrl+Alt+Del Keys (do not show task manager) ? And how can i hide my desktop screen (such as screensaver) by my program ? Thanks!
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groupitvn wrote: How can i lock Ctrl+Alt+Del Keys (do not show task manager) ?
You can't.
And how can i hide my desktop screen (such as screensaver) by my program ?
What do you mean? Do you want to keep the screen saver from starting? Or whatever you want to hide, what do you want to show instead?
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Guffa wrote: You can't.
Actually, you can.
See: http://www.codeproject.com/win32/AntonioWinLock.asp[^]
Ctrl+Alt+Del
There are several ways to disable this key combination:
1. Disable Task Manager. This doesn't trap the key combination, it simply disables the application (Task Manager) that pops up when this key combination is pressed. See below how to do this.
2. Trap the keys using a keyboard device driver. For this, you need the DDK installed. I will not describe this method here.
3. Write a GINA stub. GINA is the DLL that Winlogon uses to perform user authentication. I'm not going to discuss this method here, but you can find out how to do it here [16].
4. Subclass the SAS window of the Winlogon process. For this, you must inject code into the Winlogon process and then subclass its Window Procedure. Two techniques for doing this are described later.
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There go my people. I must find out where they are going so I can lead them.
- Alexander Ledru-Rollin
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I stand corrected. I truly believed that this wasn't possible, for security reasons.
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Oh come on!! In Guffa's defense, there is no REASONABLE way to do it. 
Dave Kreskowiak
Microsoft MVP - Visual Basic
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Dave Kreskowiak wrote: there is no REASONABLE way to do it
Disabling Ctrl+alt+Del is unreasonable, sure. But changing a single registry setting so that the task manager cannot come up is quite simple.
Original Question: How can i lock Ctrl+Alt+Del Keys (do not show task manager) ?
HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr
But hey, I'm still a freshman compared to you and Guffa - so forgive me if I take every opportunity to correct my superiors.
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There go my people. I must find out where they are going so I can lead them.
- Alexander Ledru-Rollin
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EricDV wrote: Disabling Ctrl+alt+Del is unreasonable, sure. But changing a single registry setting so that the task manager cannot come up is quite simple.
I was just commenting on disabling Ctrl-Alt-Del, nothing more.
Dave Kreskowiak
Microsoft MVP - Visual Basic
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Dave Kreskowiak wrote: I was just commenting on disabling Ctrl-Alt-Del, nothing more.
:->
I understand. I'm new to the developer forums, so I'm just figuring out how things work.
I've seen your posts, and I'm impressed with your knowledge. I hope my etiquette has not been rude or inappropriate.
I just wanna be friends. 
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There go my people. I must find out where they are going so I can lead them.
- Alexander Ledru-Rollin
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EricDV wrote: I hope my etiquette has not been rude or inappropriate.
Nope, not at all. 
Dave Kreskowiak
Microsoft MVP - Visual Basic
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I am working in MDI environment. The problem is on click on MDI close box. I am asking user. "if he is sure to close the application " yes or no.. now the child forms which are open also triggers the closing event even before the MDI closing event no matter user say "he dont want to close the application ". So the code on the closing of child executes which I dont want to execute until unless it is really closing.
Note: Child form does not close if user selected to continue with app. but code on closing is executed.
Regards
Rizwan Bashir
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