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I have a network application that is reading an incomming message. The message should be UTF-8 formatted and could be transfered with garbage. I am currently using the StreamReader and BinReader to read from the stream, but I am unsure if I am using these objects properly.
When I use the StreamReader to ReadToEnd() will it stop when it has reached an incomplete character?
Will it leave the stream position after these incomplete characters, or will it go past them and just not include them in the results?
Assert(this);
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This is from MSDN:
ReadToEnd works best when you need to read all the input from the current position to the end of the stream. If more control is needed over how many characters are read from the stream, use the Read(Char[],Int32,Int32) method overload, which generally results in better performance.
ReadToEnd assumes that the stream knows when it has reached an end. For interactive protocols, in which the server sends data only when you ask for it and does not close the connection, ReadToEnd might block indefinitely and should be avoided.
Note than when using the Read method, it is more efficient to use a buffer that is the same size as the internal buffer of the stream. If the size of the buffer was unspecified when the stream was constructed, its default size is 4 kilobytes (4096 bytes).
modified 12-Sep-18 21:01pm.
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Hmm, I'll try changing it to Read. I'm guessing that an incomplete character could cause a block, I guess I'll just have to waste the memory in triple allocation (stream, array, string). It's kind of hard to specify a buffer that is the same size as the stream though since with multibyte I won't know the number of chars that are actually in the stream until it's decoded.
Assert(this);
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Is there anyway of specifying the order that properties will appear in a property grid? I know how to create property categories but i wish to order the properties in the category.
Cheers
Mark.
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I think that there is no way to define order of properties in the property control. It sorts properties alphabetically in each category.
Look at MSDN Property Control
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Hello,
I would like to convert my windows forms application from C# to C++. Can this be done without rewriting the whole application? Oh, and I would not like to use MFC just plain API if possible. Any tools avaiable?
The reasons are:
C# is too slow.
C# wastes too much memory.
Before somebody complains: This can't be true! The application runs on an embedded device with a Micky Mouse processor and increadable 32 Megabyte of avaiable RAM. C# is just not good enough for this kind of maschines 
The garbage collector sucks and does not rock.  But I need all avaiable
Bytes for data. Every possible byte.
Operating system is windows ce (PocketPC)
Chris 
P.S.: It was not my idea to use .net in the first place. I planned to use C++ with API. But the project manager insisted on .net Maybe he red too much codeproject 
-- modified at 11:26 Thursday 16th February, 2006
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There are converters that do a C# to C++/CLI conversion for you. But to convert a C# app to a Win32 API app, it's not syntax conversion that's needed - you are essentially writing a totally different app targeting a totally different environment. The only converter available would be a human coder.
Regards,
Nish
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Like Nish said, you'd be better off rewriting the app.
Jeremy Falcon
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dl4gbe wrote: But the project manager insisted on .net Maybe he red too much codeproject
Tsk. Tsk. Managers choosing technologies
--------
"I say no to drugs, but they don't listen."
- Marilyn Manson
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Michael said; "Tsk. Tsk. Managers choosing technologies"
They have a nasty habit of doing that. 
I'm on-line therefore I am.
JimmyRopes
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At my last company after writing over 100,000 lines of test and prototype code in .NET, I recommended we switch back to C++/MFC. C# was nice, I loved working in it, but for what we were doing, I felt it just isn't ready for "thick" client apps.
You will have to rewrite, and would want to anyway in order to optimize the app for Win32 CE, but it's not difficult.
Anyone who thinks he has a better idea of what's good for people than people do is a swine.
- P.J. O'Rourke
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Joe Woodbury wrote: I loved working in it, but for what we were doing, I felt it just isn't ready for "thick" client apps.
Can you elaborate. I'm always interested to know where others have hit problems with writing thick clients with C#, so that I can avoid the same pitfalls.
thanks,
Michael
CP Blog [^] Development Blog [^]
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How can i tell if a remote pc is connected to the network using c#.
-- modified at 10:23 Thursday 16th February, 2006
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you could ping it via c# and see if you get a reply. You could enumerate the network and get a list of all the machines names.
Tom Wright
tawright915@yahoo.com
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Hi,
thanks for the response. i have tried to ping using c# but this takes too long. what i am trying to do is get all of the machines in the active directory on my network and then check to see if each one is connected. i then load a listview item into a listview with the relevant image. this is for a network admin tool.
Thanks again for any help on this.
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Hi!
I´m currently programming a GUI for a Command-Line-Based System. The administration is done with a command-line-Admin-Tool similar to Windows´ CMD-Dos-Box.
Unfortunately i cannot run the admin-commands on their own, because the only run in this cmd-line-based gui, which seems to be an stand-alone interpreter, not a dos-box running seperate programs...
Also there is no API available i could use.
What i´d like to do is to call a DOS-Box/Admin-Tool via the Process-Object and send my commands to it via the StandardInput-Object.
Sending works fine, but when I do the reading from StandardOutput-Stream, i cannot find an end-mark for my while-Statement.
(For testing-purposes i send everything to the system-console in order to see, what comes back from my process)
string sto = null;<br />
string ste = null;<br />
while ( ((sto = process.StandardOutput.ReadLine()) != null) || ((ste = process.StandardError.ReadLine()) != null) )<br />
{<br />
if (sto != null)<br />
System.Console.WriteLine(sto);<br />
if (ste != null)<br />
System.Console.WriteLine(ste);<br />
sto = null;<br />
ste = null;<br />
}
When the command has finished, the loop hangs in the ReadLine-Statements.
Peeking into the stream doesn´t work and hangs also...
How could i do this?
Thanks a lot!
J.
-- modified at 9:43 Thursday 16th February, 2006
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Hello,
I am currently looking at using the System.DirectoryServices namespace to access data on a 3rd party LDAP server (not Active Directory).
After reading up and putting together a few test applications, I should be honest and state that I havent got very far at all.
Can anybody answer or point in the right direction for these questions?:
- Does .NET 1.1 DirectoryServices support connecting to a LDAP server that requires me to present a client certificate?
- If so, how do I specifcy which certificate to use? Or does it use the OS certificate store?
- If .NET 1.1 doesnt support this, does .NET 2.0?
Although I would prefer to stay within the realms of the .NET namesapce, DirectoryServices may not be the right way to go on this. If this is the case can anybody recommend a Win32 based LDAP API that does support this functionality?
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I'm trying to populate an empty SQL Server database with DataSet, which is filled from XML file, but when I execute SqlDataAdaptor::Update() I get exception:
Update unable to find TableMapping['Table'] or DataTable 'Table'
Is it possible to Update such empty database, and what I am missing to execute method corectly?
the code is:
string strConnection;<br />
strConnection = "Data Source=SQLServer;Initial Catalog=DB1;Integrated Security=SSPI;"<br />
<br />
SqlConnection objConn = new SqlConnection(strConnection);<br />
objConn.Open();<br />
<br />
DataSet dbSet = new DataSet("myDataSet");<br />
dbSet.ReadXmlSchema("c:\\XML\\Data.xsd");<br />
dbSet.EnforceConstraints = false;<br />
dbSet.ReadXml("c:\\XML\\Data.xml");<br />
<br />
SqlDataAdapter DataAdaptor = new SqlDataAdapter("",objConn);<br />
DataAdaptor.SelectCommand.Connection = objConn;<br />
DataAdaptor.MissingMappingAction = System.Data.MissingMappingAction.Passthrough;<br />
DataAdaptor.MissingSchemaAction = System.Data.MissingSchemaAction.Add;<br />
<br />
DataAdaptor.Update(dbSet);<br />
...<br />
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table 'Table' don't exist. No tables exist in the database. It's empty.
In such case is it possible the ::Update() method to create the database schema from DataSet?
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Hi All i have a slight problem i can get information from WMI ti locate all disks of type 3 and 4. Which is great. Now the hard part how do i pass it to the html spinnerbox control i have. By the way this is media center application i am creating hence the need to use HTML as the gui.
thanks in advance
Dave
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I've a list of panels one over the other and all inside another panel.
I want to scroll up, down these panels.
What is the correct way?
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