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I am must be a total moron, but I can figure out how debugging works. I set the breakpoints and everything, but I can't find a window that tells me what variable equals what. I am using Visual Studion C#
Thanks
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As a test, hit F10. Do you see a "Locals" window pop up anywhere? If not, hit "Debug - Windows - Locals". Now what do you see?
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Also, is your build configuration set to 'Release' or 'Debug'?
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Hi, I'm using the following code to get the Machine name in an app
System.Environment.MachineName
On most computers this works fine but on one of our testers computers (machine is a windows 2000 desktop pc, not a networking share either), it's throwing the following exception.
Request for the permission of type System.Security.Permissions.EnvironmentPermission, mscorlib, Version = 1.0.50000.0, Culture = neutral, publicKeyToken = blahblahblah failed.
I have no idea what is causing this. I tried messing around with the .Net Configuration. Figured mscorlib didn't have permission rights.
also.........
I can't get any computer information in general. Trying to do some WMI core queries as well from code and getting a "Security Error" Exception. Below is the code that gets the disk size.
public string GetsDiskSize(){
ManagementClass cimobject;
ManagementObjectCollection moc;
cimobject = new ManagementClass("Win32_DiskDrive");
moc = cimobject.GetInstances();
try { // BIOS INFO
foreach(ManagementObject mo in moc){
this.m_sDiskSize = GetSystemValue("Size",mo);
mo.Dispose();
break;
}
}
catch(Exception ex){
System.Windows.Forms.MessageBox.Show("GetsDiskSize " + ex.Message);
cimobject.Dispose();
moc.Dispose();
return ex.Message;
}
cimobject.Dispose();
moc.Dispose();
return this.m_sDiskSize;
}
Thx for your time,
Paul
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What are the permissions of the person running the program (your tester) on the machine?
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User is logged in as an admin. Not sure what you mean by permission?
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That's what I meant. So did you use the configuration utility to check the permissions of your program's DLL? That's probably the one that doesn't have rights, not mscorlib.
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Since I have limited time with my client, it would be best if I could simulate this error on my local machine. Can you think of any ways I can give this app, assemblies, groups less rigths, ty
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I have to leave work in just a couple of minutes, but if I don't see an answer posted for you later, I'll try it from home.
So is your assembly signed, and if so, how?
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Hi, I don't believe it is signed. If it is I didn't do it. 
thx,
Paul
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Are they running this locally or across the network? If it's the latter case, you must create a code group that grants the application (by a myriad of evidence) so that it has the necessary permissions (or just take the cheap route and grant your code FullTrust). If you use third-party controls in your application, you're better off using site evidence (like the Url membership condition, using a URL like ftp://NETSERVER1/ShareName/AppDirectory/*).
Read Understanding .NET Code Access Security[^] for more information.
Microsoft MVP, Visual C#
My Articles
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This is just running locally. If you know of anyway I could simulate this locally that would be helpful as well.
thx Paul
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Last message was a little vague, sorry
This is just running locally (not over a network). Since I have limited time with my client was wonderiing if you know of anyway I could simulate this on my local machine and is there was a way to include a security policy with the executeable or deployment package.
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Create a local user on your machine with the same permissions as the test users (like perhaps they're just in the "Domain Users" group). Log in as that user and test it. If you want to debug your app, don't forget to move the source code to an accessible directory (or give that new user permissions to access your directories) and recompile so that the path to the PDB files is correct.
Microsoft MVP, Visual C#
My Articles
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I'm not sure what test users permissions are??? sorry,
but I created a new user with guests rights. What could I possibly change? (Something .net relative perhaps, changing assembly trust, library trust, executable trust .......)
Thanks,
Paul
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So, I've tried to do a simple little editor. Works nice with normal text and whatnot, but things like ascii art with its weird characters will not show. They show in notepad but even when I use the same font they refuse to show in the my TextField. Tried a RichTextBox, did not work any good either.
So, any clues what I might do.
Thank you
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Where is this text coming from? Are you programmatically setting it, or is it just typed in?
Microsoft MVP, Visual C#
My Articles
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I'm opening a .nfo file or .txt file, so I'm reading it like this:
StreamReader reader = File.OpenText(fileName);<br />
txbEdit.Clear();<br />
txbEdit.Text = reader.ReadToEnd();
You think that is the thing that makes it weird?
Thanks
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First of all, make sure you call Close on your read when you're done.
Second, File.OpenText opens files as UTF-8. Any characters above 127 tell the code to read multiple bytes of character data. Below 127 things look like ASCII.
What you should do is just use a FileStream and specify the encoding as System.Text.Encoding.ASCII.
Microsoft MVP, Visual C#
My Articles
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Hello,
I am facing a little problem with strings.
In my application, I need to make sure that a long string, let's say "Hello world, I am currently on CodeProject." contents a small string, lets say "CodeProject".
I'd like to find a function or a way to return true if the small string is in the large string and false if it isn't present.
Thank you for your help.
- Heel
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It's easy to write a function for this, but a better idea is to get in the habit of doing things in a standard way. The String class has a method called IndexOf that lets you get the first occurrence of a substring; that's how people usually accomplish your task. So this
if (myString.IndexOf(mySubstring) >= 0)
{
}
is better than a hand-rolled function because it's faster and it's standard, which means easy to understand at a glance.
- Jeff
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