.net - Debug.WriteLine Not Working?
Sep 2, 2009
In the past, perhaps versions of Visual Studio prior to the 2008 that I am using now, I would do something like this in my VB.NET code:System.Diagnostics.Debug.WriteLine("Message")
and the output would go to the output window.Now it doesn't. Something must first apparently be enabled.
If this involves "attaching a debugger", please explain how to do it. It seems to me that it should just work without too much of a fuss.Here's a video explaining the issue in real time and showing you all my settings[URL]..
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Jun 10, 2010
What's the difference between Console.WriteLine() vs Debug.WriteLine()?
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Jan 27, 2012
in VS 2008, I started a new VB console project, using default options. I wrote this simple program:
Module Module1
Sub Main() Dim ArrayOfInts() As Integer
ArrayOfInts = New Integer() {1, 2, 3, 4, 5, 6, 7, 8, 9}
[Code].....
However, I cannot find the output from the calls to writeline. Not in the Output window, not in the Immediate window and not in the console output.
Or, do I need to do something extra to get these to appear?
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Aug 31, 2011
Simple question that does not seem to be covered: If I use a lot of Debug.WriteLine statements in my code, will they be completely absent in my production version?
I mean: Is the compiler smart enough to not emit any code for those calls? Or would I have to surround them by #if DEBUG..#end if directives?
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Aug 19, 2009
If I have Debug.WriteLine method in my code, do I need to comment all these methods before producing the Release version? Or does the compiler just ignore them?
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Oct 6, 2011
I have a fellow employee who is learning Visual Basic and in one of her assignments she is using the debug.writeline statement. Example: Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Debug.WriteLine("This line always prints") End Sub When you run the program, nothing prints to the Output window. I have tried it in VS2008 and VS2010. Brian Allison
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Aug 19, 2009
I have a vb.net application that uses threads to asynchronously process some tasks in a "Scheduled Task" (console application).We are limiting this app to run 10 threads at once, like so:
(pseudo-code)
- create a generic list of 10 threads
- spawn off the threadproc for each one
- do a thread.join statement for each thread to wait for the longest running one to complete.
What i am finding is that if the code called by the threadproc contains any "Debug.Writeline" or "Trace.Traceinformation" statements, the thread hangs. I can see the thread in the Debug - Windows - Threads window, and switch to it, but it highlights the debug.writeline statement and never gets past it. is there something special about the Debug or Trace statements that make them non-thread-safe? Any idea why this would hang things up? If I leave the debug statement in, the thread never completes. If I take the debug statement out, the thread completes in less than 5 seconds.
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Sep 28, 2011
I have a procedure that loops through the directories/subdirectories on a file server and sets the permissions. Procedure is called on a button click of a form.
I need to display on the form which directory is being processed. Similar to if we use the Debug.writeline which writes to the output in Visual Studio. I tried using a ListBox but it only displays the last one and only displays the last one once processing is done. I want to be able to display each directory name as it is being processed.
Psuedo code as follows:
For each dir in L drive
setPermissions(dir)
'display in ListBox dir name
lstProgress.Items.Add(dir.Name)
Next
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Jul 29, 2011
Dim hex = "41"
Dim text As New System.Text.StringBuilder
For i As Integer = 0 To hex.Length - 2 Step 2
text.Append(Chr(Convert.ToByte(hex.Substring(i, 2), 16)))
[code].....
but yet this fails.. (the output isn't itself in a new line) what's the explanation for that?From what I know, doesn't System.Diagnostics.Debug.Writeline does something which looks like this:
System.Diagnostics.Debug.Write(input)
System.Diagnostics.Debug.Write("
")
so regardless of my input it should always have a newline char even if there is a terminating 00 char in my input?
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May 9, 2011
i've been doing research about this for a while now. I'm pretty sure it's correct, but the console.writeline is not providing any messeges when program is executed. Im using Visual Studio 2010 pro. Is there anything im missing or doing wrong? Here's what i have:
[code]...
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Mar 16, 2012
I am trying to write some messages to a text file using debug.writeline("Message"). Here is the code.
Dim Tr As TextWriterTraceListener
Tr = New TextWriterTraceListener(System.IO.File.CreateText("Output1.txt"))
'Tr = New TextWriterTraceListener(System.Console.Out)
Debug.Listeners.Add(Tr)
Debug.WriteLine("Test Message")
I see the output1.txt file being created but nothing being written in the file.
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Oct 12, 2011
I've downloaded the 64bit debug symbols and told the IDE where they were located. But for some reason, VS won't build a 64bit debug EXE.
This is my first time doing 64bit so I never had to worry about it before. Is there something I need to do in the IDE that I don't know about? I went to Project Properties and set things to 64bit debug. But when I compile the program, it makes a 32bit program.
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Jan 31, 2010
I opened an older project and it works fine. Using syntax: debug.print ("OK") and look for printed line in immediate window. Is there some setting I could have inadvertently disabled or have maybe discluded some imports? Only import is forms.
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Sep 15, 2009
Im new to VB 08 and i made a project that runs fine when i debug from inside the VB solution explorer. When i go to my BIN folder and try to run my project, the project runs but the button event seems to be none exsisten, also my message box does not appear on load, it should give an ERROR message if it does not detect the process writen in the module.
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May 27, 2011
the code seems to be working fine when i am debugging but when i run the normal way no sms is send. the following is my code,see where i am going wrong.
dim smsPort As New SerialPort
smsPort.PortName = "COM18"
smsPort.BaudRate = "921600"
[code].....
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Aug 10, 2010
XMLWriter Not working outside of VS2008 Debug Mode
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Oct 13, 2009
I have a method called Connect() which connects to a PLC. But if it fails to connect, I want it to try again. So what have come up with, is this:
[code]...
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Jul 29, 2011
Full Program: Option Strict On : Option Explicit On Module Module1
[Code]...
After I ran it, I had a file a.txt in my debug folder but the size is 0 bytes (and when i open it is empty of course) Shouldn't the output had "asd" in it ?
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Jun 6, 2010
I probably have something misdeclared but can't find it. I'm trying to open a file to write data into and the last line in the code below gives the message "WritiLine is not a Member of ScriptingFileSystem.Object". I have something similar in another module that works. Maybe I don't have the inheritance correct? This is from VB 2005.
Here is the code
Module
TCALpage
'//////////////////////////////////////////////////////////////////////
'// Variables for creating/opening the output file.
[code]....
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Mar 14, 2012
I have been searching for a way to format output using writeline/write (streamwriter)using RTF tags and wondering if there is a syntax for this, if it exists. I have not been able to find a resource which clearly explains how to "pretty" up output sent to a file.
The reason why I am asking is because I want to "print" results from my program into a file that, at the very least, would be centered, tabbed and even bolded where possible without requiring the user to go and futz with it. I think I saw that Crystal Reports won't work with VB 2010 Express and, quite frankly, just want to create a file with output.
[Code]...
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Nov 7, 2009
I am writing an array in a file with this loop.
sw.WriteLine("attributes")
For i = 0 To noatts - 1
sw.WriteLine(attName(i))
Next
This is creating weird results though.
[Code]...
Anyone know why could that be? In other parts of the file writeline works well. It only creates extra lines on that specific section. Btw: the file looks good if viewing by notepad, the extra lines appear when viewing in wordpad. Apparently that matters because when I reuse that file to read some values in my program, it crashes cause it reads those empty lines instead of the attributes.
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Mar 22, 2009
It would be handy during debugging to have multiple consoles (not multiple monitors, which I already have). I am imagining something like Console.WriteLine(1, String1) which would send String1 to one console window 1 and Console.WriteLine(2, String2) which would send String2 to console window 2.
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Jan 18, 2009
I have a fairly large program with lots of forms, but just one of the forms is giving me this error: "'writeline' is not a member of 'Boolean'" Here is the code that seems relevant:
[Code]....
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Aug 26, 2009
in vb.net i have some code that looks like this:
Imports System
Imports System.IO
Imports iTextSharp.text
Imports iTextSharp.text.pdf
[Code]....
i would like to see what the console is writing. how do i do this?
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Aug 30, 2010
I have a few latin fonts that crashes the writeline method in Visual Basic.How do I force it to work? Replacing the font is not an option.
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Mar 7, 2011
Console.WriteLine("Network adapter: {0}", adapters[i].Name);
Console.WriteLine("Status: {0}", adapters[i].OperationalStatus.ToString());
Console.WriteLine("Interface: {0}",
adapters[i].NetworkInterfaceType.ToString());
[Code] .....
What I want is to have this Console.WriteLine displayed in a text box on the form but how to do it.
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Oct 5, 2010
Just trying to print all list collection in a simple routine, variable repeat over and over except for the different collection list:
Dim p2 As New clsTranReq()
p2 = x.Deserialize(objStreamReader)
[CODE]........................
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Sep 13, 2008
When the form load I needed to create a text file into "C:\Program Files\User\User.text" But if the file exist it will read line1, line 2 and line3 of the text in different textboxes Then if I click save, it will write textbox 1 to line 1, textbox2 to line 2 and textbox3 to line 3.How do I do it?
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Feb 20, 2011
I have declared my variables As Decimal, and what I am struggling to do is to display these values to 2 decimal places in such a way so that they both appear on the same line of output. Here is the guts of the problem (noting I have two different versions of Console.Writeline...the second one does display on one line, but without two decimal places).
[Code]...
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Sep 16, 2011
Why vb prints out 1??? when d is a double aproximation to 1? shoudnt be 0.99999 or something similar? what if I really need the float value? and how could I print it?
[Code]...
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