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yes! u can certainly do that in vb.net itself i hav done that
U just click the graph button in u r crystal report u will be popped up
with a window there u can select u r fields to "Show Value(s)" which is to be shown in Graph, But don't Forget to select the Field to "On change of"
b,coz based on this field u r graph are being displayed.
how it helped , reply !
prabumj@gmail.com
-- modified at 5:23 Monday 13th August, 2007
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I writing a program in VB.Net for my project and trying to write and read data to and from the serial port (COM ports) but does not work. The code I am using is shown below.
I would be glad if any body can provide me with assistance.
Thanks
Regards
Eric
The only permanent situation is change
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Try to write a better subject. Almost everyone posting here needs help, so your subject does absolutely nothing to distinguish it from other threads.
Agbe wrote: but does not work
What does that mean? What happens? Does it compile or not? Do you get a runtime error? What does the code do? How does that differ from what you expect?
Agbe wrote: The code I am using is shown below.
Where?
---
single minded; short sighted; long gone;
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I am trying to programmatically show the My Computer Icon (as well as the My documents icon) on the desk-top. I don’t seem to be able to find a registry key. Any ideas how I would accomplish this?
Thanks,
dave
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What do you by "show the My Computer icon"?? Are you talking about the policies that can be turned on to turn them off?
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Exactly, sorry I should have been more thorough in my explanation. In windows xp professional, after installation of the OS, you can go to the start menu and right click the "My Computer" Icon and choose "show my computer on the desktop". I assume that is a policy stored in the registry somewhere. I just cannot seem to find it anywhere.
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i need to send mail from my application it's windows application vb.net 2005
i need to know what to pass to SmtpCtlient is it take parameters
this is my code i need to know why it's doesn't send mail
i have that error "the smpt was not specified "
this is my code
*****************************
Try
Dim objmessage As New MailMessage("md@gmail.com", "md@gmail.com")
objmessage.Body = "test"
objmessage.Subject = "test"
Dim t As New SmtpClient
t.Send(objmessage)
Catch ex As Exception
MsgBox(ex.Message)
End Try
md_refay
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You have to set the Host property of SmtpClient (use the correct IP ot name,
something like "relay.skynet.be"); you can do this also thru one of the
SmtpClient constructors.
Luc Pattyn [Forum Guidelines] [My Articles]
this weeks tips:
- make Visual display line numbers: Tools/Options/TextEditor/...
- show exceptions with ToString() to see all information
- before you ask a question here, search CodeProject, then Google
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would like to connect my computer with another on lan and perform a voice call using vb.net
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Google for "voice chat vb.net" and you'll find a bunch of examples. Or, use something off-the-shelf, like Yahoo Messenger.
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would like to connect my computer with another on lan and perform a voice call using vb.net
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Not sure if this is any use but Microsoft Netmeeting SDK allowed me to do this with C++.
It is a COM object so have a look at this.
Hope this helps
Dan
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Hello
I tried to assign the value of a formula in crystal report from vb form.
but i don't know how to do it?
So any help will be usefull
Thanks in advance
Assaf
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Hi
can i prevent user from left the current row before check some values ..
this is a so important optoin for me ..
jooooo
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hi
i need the code which turns back the windows speed when it changed. programs like Speeder Xp. For example when speeder xp changes the speed,the code will turn it bak.
thanks
signature
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You have to provide a little more information about what the program actually does. What "speed" is it that it's changing, and how does it do that?
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single minded; short sighted; long gone;
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http://en.speederxp.com/download/speeder.exe that is program. Examine this program and understand how it works. this program changes the system speed.
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nedracix wrote: Examine this program and understand how it works
Heck no. I wouldn't just download the .exe
"Real programmers just throw a bunch of 1s and 0s at the computer to see what sticks" - Pete O'Hanlon
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If you think that I download and run just any executable that someone links to, you are badly misinformed.
I tried to check out the web site, but I just got redirected to some japanese (?) site.
nedracix wrote: this program changes the system speed.
No, it does't. The system doesn't have a single propery that controls the speed. The speed of the system depends on a lot of different factors, most of which doesn't have a controllable "speed" property either. The program is not changing the "system speed", it's doing something else to affect the performance of the system.
---
single minded; short sighted; long gone;
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Hi,
some processors, mostly those intended for battery based systems, have a way
to reduce power consumption, basically by turning down the core frequency.
These "technologies" get fancy names, such as EIST (Enhanced Intel Speed Step
Technology). They typically let the processor run at maximum speed when on AC power,
and without AC power let them run at same or some reduced speed depending on
current work load.
It is my guess some BIOS settings may influence the behavior, and some utility
might do the same. In my experience, running a background process that consumes
all remaining CPU cycles, also helps in putting the system back to maximum speed
immediately (wich would happen if the foreground app were needing the cycles too).
Luc Pattyn [Forum Guidelines] [My Articles]
this weeks tips:
- make Visual display line numbers: Tools/Options/TextEditor/...
- show exceptions with ToString() to see all information
- before you ask a question here, search CodeProject, then Google
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i uploaded speeder xp my ftp .
link : http://www.loxiasuo.com/speeder.rar
this program change some settings. i want turn back to normally this settings in Visual Basic. if you up +1 in this program. you xp will be fasting or -1 down value your xp will bi slowing. i want take control in visual basic.
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If that program runs with a command line, you can make it run programmatically
using Process.Start() and that would be it.
If it needs GUI interaction, you can start it with Process.Start, then try to
figure out how you send it mouse and/or keyboard commands, then close it again.
That's a lot of trouble that will keep you busy; start searching CodeProject
and learn the do's and don'ts of Windows messages.
No one knowledgable would even consider running an unknown EXE, so you will be
very much on your own in this.
Luc Pattyn [Forum Guidelines] [My Articles]
this weeks tips:
- make Visual display line numbers: Tools/Options/TextEditor/...
- show exceptions with ToString() to see all information
- before you ask a question here, search CodeProject, then Google
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this programme hasnt the name of class and there are many programmes that do the same thing . this for i can' close this and this like programs .
if there is a change with the system speed, it need the code which turns the system back
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There are NO settings that change the system speed in Windows. There's nothing in the Win32 API that supports this. This app is using some other technique or something specific in the motherboards chipset (the are NO STANDARDS for this!!) to alter the system speed. Without knowing EXACTLY what that app is doing (i.e.: you need the source code for it!), there is nothing anyone can tell you on how to do this.
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Hello, Im not very knowledgeable to VB, but I am stuck. Im trying to add syntax highlighting to my RichTextbox. This is what I have so far:
Function doSyntax()<br />
Dim input = RichTextBox1.Text.ToString<br />
Dim thenew As String() = Split(input, vbCrLf)<br />
Dim keywords As String() = {"Dim", "As", "Integer"}<br />
For Each Item As String In thenew<br />
For Each keys As String In keywords<br />
If Item = keys Then<br />
RichTextBox1.SelectionStart = RichTextBox1.Find(Item)<br />
RichTextBox1.SelectionLength = Item.Length<br />
RichTextBox1.SelectionColor = Color.Blue<br />
RichTextBox1.SelectionStart = RichTextBox1.Text.IndexOf(Item) + Item.Length + 1<br />
RichTextBox1.SelectionLength = 0<br />
RichTextBox1.SelectionColor = Color.Black<br />
End If<br />
Next<br />
Next<br />
End Function
It only colors the first word though. Do I need a while loop or something? I call this function on the text change event of the textbox. Any help is appreciated.
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