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ALL computer code is readily hackable and decompilable, it's just a matter of patience. It's very easy in .NET, even with obfuscated code, but much easier than people realize when using native C/C++. I've long ceased worrying about it.
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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I am wrting a .NET run-time compiler. It is fine if i compile a C# code using the following code :
Microsoft.CSharp.CSharpCodeProvider = new Microsoft.CSharp.CSharpCodeProvider ();
ICodeCompiler compiler = provider.CreateCompiler ();
CompilerParameters compilerparams = new CompilerParameters ();
CompilerResults results = compiler.CompileAssemblyFromSource(compilerparams, code);
the compiler run fine. But if i change the comipler to compile a VB.NET code as:
Microsoft.VisualBasic.VBCodeProvider provider = new Microsoft.VisualBasic.VBCodeProvider ();
ICodeCompiler compiler = provider.CreateCompiler ();
CompilerParameters compilerparams = new CompilerParameters ();
CompilerResults results = compiler.CompileAssemblyFromSource(compilerparams, code);
it is a error at the last line !!! what cause the problem ????
In fact, there are a serveral assembilies i wrote in C# in order to compiler the source code. Does this possibly cause the problem ? it sounds so strange !!!!
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Tee+ wrote: it is a error at the last line !!! what cause the problem ????
Probably your code. An indication of the error you receive would be helpful.
xacc-ide 0.0.99-preview7 now with C#, C, C++, IL, XML, Nemerle, IronPython, Perl, Caml, SML, Ruby, Flex, Yacc, Java, Javascript, Lua, Prolog and Boo highlighting support!
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Seems that it is not my code error:
System.IO.FileNotFoundException: Could not find file "C:\DOCUME~1\Vithan\LOCALS~1\Temp\srxzw0s0.dll".
File name: "C:\DOCUME~1\Vithan\LOCALS~1\Temp\srxzw0s0.dll"
at System.IO.__Error.WinIOError(Int32 errorCode, String str)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, Boolean useAsync, String msgPath, Boolean bFromProxy)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
at System.CodeDom.Compiler.CodeCompiler.FromFileBatch(CompilerParameters options, String[] fileNames)
at System.CodeDom.Compiler.CodeCompiler.FromSourceBatch(CompilerParameters options, String[] sources)
at System.CodeDom.Compiler.CodeCompiler.FromSource(CompilerParameters options, String source)
at System.CodeDom.Compiler.CodeCompiler.System.CodeDom.Compiler.ICodeCompiler.CompileAssemblyFromSource(CompilerParameters options, String source)
at Utility.ActionScript.BuildAssembly(String code)
Please help.
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Given CultureInfo object, how can i determine the text orientation of this culture?
For example, arabic and hebrew are written from right to left, some eastern languages are written from top to bottom and right to left and so on.
Thank in advanced, ilan
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Hi
I need to ge the node that the user right clicked on. BAsed on information stored in the tag value I need to change the context menu before the user sees it.
How do I get this NodeItem. The node is not selected during a right click action so SelectedNode does not work.
I am using VS 2003. 2005 does a lot more with the addition of treeview.hittest but it is not an option for this project.
Any good ideas out there
tcss
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Have a look at the GetNodeAt function of the TreeView. Use this in conjunction with the MouseDown or MouseUp event.
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Hi
I'm trying to create a regex pattern to replace some text in a string, but am having problems with it. Basically, I need to replace a whole word only, but for some reason it's not matching the word if it's followed by an underscore, otherwise it works.
Eg. If the string looks like this:
SomeText,SomeMoreText
blah blah blah
SomeText_SomeMoreText
It'll only replace the first occurance.
This is what I'm using:
myString = Regex.Replace(myString, "\\bSomeText\\b", "NewText");
Thanks.
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Guys,
How can I populate a hyperlink in VERTICAL in code behind using c#. I have a 20 links from the database, after retrieving it I want the data be place to hyperlink control for connection to another pages. I want it to happen during runtime and not in design time.
Somebody know any Idea? I tried to use the placeholder but it display horizontally no other option to display it vertically.
Thanks
/Dabuskol
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The anchor tag is an inline tag, so if you have anchor tags after each other they will flow just like text. If you want them underneath each other you have to add html tags to place the anchor tags where you want them, for an example putting each anchor tag in a div tag.
---
b { font-weight: normal; }
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Hi Everyone,
I am faced with a bit of a problem. I suspect it is a problem only because of my non-existant knowledge of c/c++.
I need to use a third party SDK to be able to control and/or monitor some telephony hardware from a popular vendor.
My problem is that I have to do this from a .Net environment (C#) but the SDK file are .lib files. It is said that it is dynamically compiled (what that means I have no idea).
Can anyone possibly tell me how I could use it from C# and if it's impossible, how I can wrap it in normal dll's (so I can use Dllimport) as normal.
Thanks and Regards,
Phi?
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As far as I know there is no way to include .lib files in a C# assembly. Your assumption is right in that you have to write a quick wrapper for the .lib but there's good news: the wrapper doesn't necessarily have to be a native DLL. You could start a Managed C++ .NET Control Library project which will create a .NET assembly DLL that you would be able to reference from C#. Granted the task is not trivial if you have no experience writing C/C++ but you should be able to find some examples on the web on how to wrap a .lib in a managed assembly using Managed Extentions for C++.
Basically after you start the project you will have to do the follwing, in order to import the .lib:
In the project settings, look for Linker Options, additional include files and add your .lib file in that list (make sure to include the fully qualified path if the file doesn't reside in the project folder or in the windows folder). The next thing to do is to use #import "file_name.lib" in the header for you assembly. Doing that will make the content of the .lib accesible to your project and then you'll be able to start writing the wrapper functions. You don't have to write wrappers for all the functions in the .lib; only for those that you will be using. The part that will be a little more complex will be data marshalling between the native api and the managed assembly, but there's a ton of documentation out there on how to accomplish that.
Good luck!
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hi to all
i created a listview item and wanted to load image on background
could somebody tell me how to do it
very very thx
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The .NET listview control doesn't have a property to set its background
image. This can be done using the code.
look at this link to view code
http://dotnet.mvps.org/dotnet/faqs/?id=listviewbackgroundimage&lang=en
Thanks
Warm Regards
Prakash-B
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I'm looking for an example on how to create a DataColumn, DataCell,and a control that inherits form IDataGridViewEditingControl in order to make a DateTimePicker DataGridViewCell.. that I can add to the DataGridView... all my attempts failed...
Lazar Mihai
Highschool student
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Is this for the WinForms DataGridControl or the WebForms one? This is important because the two aren't quite identical...
I had to deal with the same problem a while back but all you have to do is extend some classes. There are plenty of examples out there on how to do that. Here's a CP link. http://www.codeproject.com/cs/miscctrl/noogenwinforms.asp.
Have fun!
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Hello,
I have a C# project with a Microsoft Access Database and a Crystal Reports file. I've put the database in the Debug directory, so that after creating the setup, the program finds the database in the curent directory. The problem is with the report file. So, after creating and installing the setup, the report loads, but the fields from the report are empty (the fields are the database columns). So my guess is that after the setup, the report file doesn't find the database anymore. where can i change the path to the database (but not in the report wizard, somewhere in the code). Or maybe someone had already this problem and knows the solution.
Thanks in advance!
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Hi
I having an application which is using the AXWebBrowser component, It is working fine in my machine (server). While i am trying to access the same page from the remote machine it dosent say any error but it displays nothing, can any one guide me what's the problem is.
Thanks
Warm Regards
Prakash-B
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Hello 
I have two datasets one is filled from database (dataset1) and another is filled from the file (dataset2). I want to compare rows in those datasets and do this:
1. if row is present in dataset2 then insert it into dataset1
2. if row is present in both (dataset2 and dataset1) then update dataset1
how can I do this easily? is there function for comparing two datasets which returns some kind of diff dataset?
thanks to any help
Peter
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I have to code a program so that I after entered an URL of the web-service, if it's correct, methods that that web-service supplies will appear with parameters they require, and then I can invoke a method.
I remember that there is an article focus on my problem but I can not find it.
Anyone help me with that!?
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All you have to do is visit the URL of the webservice (ie localhost/WebServices/WebService.asmx) and you'll see a list of available methods for that web service. Then if you follow a link to one of the methods, you'll see a description of the web service.
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The browser does it for you, what I want is my own application, which has the same functionality as the browser
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hi,
i'm using Component One TrueDBGrid in my form.
one of the columns is the "Amount" field. ItShould allow users to enter only integers or float type. But if he attempts to enter characters, error provider should be shown..this will be done in RowColChange event of the grid...so he shuld not be able to enter any characters or special characters..
Please tell me how i'll do this...i tried using the EditMask property of the grid i.e.
tdbgridOnewayReturn.Splits[0].DisplayColumn[3].DataColumn.EditMask = "0000000.00";
but this doesn't take decimal..if i enter 0000332.99, then it saves as 3329900..which is not correct.
But if i use NumberFormat property of the grid :
tdbgridOnewayReturn.Splits[0].DisplayColumns[3].DataColumn.NumberFormat = "Fixed";
then,the user can also enter characters..which is not correct..
please do tell me how i'll resolve this problem....
thanx ..
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Hello,
I have just started to use C#, I have to make a User Preferences Dialog box like the 'Options' dialog in the VS.NET IDE, I have been searching online but (may be I am using wrong keywords for it) have not found any tutorials...
second problem is that I have a form that has two parts, 1. Main Part, 2. Sub Part, and I want the sub-part to appear only if the check box 'Show Sub Part' is checked, otherwise it should remain hidden...
Any help would be much appreciated (I'd be grateful if it's a link to some tutorial that deals with something like this)
Peace...
- A programmer's national anthem; "AAAAAHHHHH!!!!"
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signbit wrote: have not found any tutorials...
Those sort of UI components do not exist in VS, they are custom written. So, you'll need to find a component that does it, not a tutorial showing you how to do it.
signbit wrote: second problem is that I have a form that has two parts, 1. Main Part, 2. Sub Part, and I want the sub-part to appear only if the check box 'Show Sub Part' is checked, otherwise it should remain hidden...
Put a control on the edge of the area you want to hide, and use the Width property of your form to show/hide it based on the position of this control. A panel or something, maybe a label with no text ? It's a place holder. Then you need to also make your form a fixed size so the user does not maximise it.
Christian Graus - Microsoft MVP - C++
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