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I'm trying (in a nutshell) to generate the following code:
using System;
namespace Foo
{
namespace Bar
{
public class Class1
{
}
}
}
My problem is that I can't find a way to add the CodeNamespace object for the Bar namespace to the CodeNamespace object for the Foo namespace. None of the collections available through the properties on CodeNamespace allow another CodeNamespace. Any ideas?
erik
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Unfortunately, it is not supported. Have a look at this article[^]. Unfortunately, current CodeDom implementation looks more like a fun stuff, it has too many limitations.
Вагиф Абилов
MCP (Visual C++)
Oslo, Norway
Hex is for sissies. Real men use binary. And the most hardcore types use only zeros - uppercase zeros and lowercase zeros.
Tomasz Sowinski
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I know about this. However, what I'm really doing is generating source code and for asthetic reasons I want the 'using' statements and some banner comments outside the namespace which is used for the class, e.g.
using System;
using System.Xml;
namespace Bookstore.Model
{
public Class Author
{
The easiest way to achieve this would have been to nest the Bookstore.Model namespace into the default namespace, i.e. a namespace without a name, and add the commets and usings to that.
See what I mean?
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Well I'm not quite sure what you mean but this defines a class called Foo.Bar.Class1 so maybe you can just have a namespace of Foo.Bar
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Hi everybody,
I'm a beginner with C#.NET and I've a problem with a winform.
I can't undersatand why sometimes when I click the windows form close button
the event it's not handled.
I have to put a special button to close the form because the cross window
button doesn't work properly. No event.
Could you help me?
Thanks,
Carlos.
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What would be the best way to do IPC between processes in .NET
There will be up to 200 exchanges per second required.
viva AMIGA
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I want to run a program as a specified user. I've used
System.Diagnostics.Process.Open() befor but it hasn't any
feature to specify the user to run the process.
Please help me.
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How do I "emit" code for the "Select Case" statement using CodeDom object? I am trying to generated code for the Select Case statement (in VB) and the Switch statement (in C#)..
Any ideas how to accomplish the above using CodeDom object?
Munish
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Hi
I was wonder how these "access" Attributes (from Method/FieldInfo/etc) work.
If the class is marked Private and Family and Public, etc the result is Private as it seems that "overrides" all other access. What are the order that they get applied in and which access methods have "precedence" over the others.
EG: (type string)
Family FamORAssem Public MemberAccessMask Virtual HideBySig for Finalize()
Private Assembly FamORAssem MemberAccessMask HideBySig for InternalGetType()
FamANDAssem Assembly Family FamORAssem Public MemberAccessMask HideBySig for GetType()
See my confusion?
Also, calling this gives me several duplicate methods:
myobject.GetType().GetMethods(
BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static);
I have tried passing BindingFlags.DeclaredOnly as well with the same effect. Any ideas? [edit] my bad, was calling it a few times "unknowningly"  [edit]
WebBoxes - Yet another collapsable control, but it relies on a "graphics server" for dynamic pretty rounded corners, cool arrows and unlimited font support.
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Ok, so I finally installed .net and am starting to get into the whole managed extensions thing... But I'm reading this book in Barnes & Noble talking about the whole CLR and "Just-In-Time" compilation stuff and couldn't help but think about security. It's like compiled .net stuff is still source code, just a level lower than VB, C# or whatever .net language you want, but still above assembly or binary. Am I reading into this correctly? If I release a .net app, it is still in readable source and can be easily modified? Remember, I just installed VS7 yesterday, so don't flame me if I am totally off...
- Nitron
"Those that say a task is impossible shouldn't interrupt the ones who are doing it." - Chinese Proverb
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>Net "compiles" to IL (Intermediate Language), basically a very simple (in the RISC sense) assembly language with meta-data (dependancies, versioning,license and more). Although in this state it CAN be decompiled (even back to c# source), it cannot easily be modified if the assembly is "signed" (public/private key embedded in the assemby). Also there are "Obfuscators" available that can scramble the IL so it can't be decompiled. The IL is compiled to machine code when the assembly runs, allowing it to take advantage of any chip specific instructions, and theoretically, to run on a non-intel platform. The platform includes a viewer for the IL (ildasm.exe), which is handy if you want to compare implementations, and you can even code in IL if needed. a public domain decompiler is - Anakrino - available here[^]
It is also possible to "pre-JIT" your stuff, but you could run into probems with machine specific optimizations...
Have fun! .Net rocks
Some ideas are so stupid that only an intellectual could have thought of them - George Orwell
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Rob Graham wrote:
It is also possible to "pre-JIT" your stuff
I don't know how the other pre-JITters work (IIRC it was Salamander software that has one out). But the ngen tool that comes with .NET is machine specific, in fact the pre-JITted assemblies get placed in the GAC to curb people from trying to copy them around.
Rob Graham wrote:
Also there are "Obfuscators" available that can scramble the IL so it can't be decompiled
There are different levels of obfuscators that are on the market now, there are some like Dotfuscator Community Edition[^] which renames objects; or if you move up to their profession version will do much more. Dotfuscator Community Edition will be shipping with VS.NET 2003 (aka Everett)
Another obfuscator is Wise Owl's Demeanor[^].
After being on various .NET mailing lists[^] (hosted by DevelopMentor), I've come to respect Brent Rector's knowledge of the .NET Framework and how it works so with the two products almost evenly priced I would give Brent the advantage if I were to purchase one of them. This is just my personal opinion, others may place more value in being able to try the product out first with less features.
James
"The elastic retreat rings the close of play as the last wave uncovers
the newfangled way.
But your new shoes are worn at the heels and
your suntan does rapidly peel and
your wise men don't know how it feels to be thick as a brick."
"Thick as a Brick" from Thick as a Brick, Jethro Tull 1972
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James T. Johnson wrote:
Rob Graham wrote:
Also there are "Obfuscators" available that can scramble the IL so it can't be decompiled
So do these obfuscators impact any efficency of the code or allow for any optimizations?
- Nitron
"Those that say a task is impossible shouldn't interrupt the ones who are doing it." - Chinese Proverb
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Nitron wrote:
So do these obfuscators impact any efficency of the code or allow for any optimizations?
That depends on which one you use and the options you enable. I think the high versions of both obfuscators I linked to claim to provide optimizations by altering control flow.
Both of them make the resulting assembly smaller (even the free version of the one) because all identifiers get reduced to small strings.
James
"The elastic retreat rings the close of play as the last wave uncovers
the newfangled way.
But your new shoes are worn at the heels and
your suntan does rapidly peel and
your wise men don't know how it feels to be thick as a brick."
"Thick as a Brick" from Thick as a Brick, Jethro Tull 1972
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Hi,
I'd like to programatically display a dropdown menu from a toolbar. To be specific, I'm developing an Explorer bar, and I'd like to give it a menu. As far as I know, the only way to do that is to use a toolbar. So I have a couple buttons (File, Edit), and they both have dropdown menus. When a user clicks on the File button, I want it to popup the File dropdown menu, just as it might if the user clicked on the dropdown arrow.
I don't see a natural way to do it within the API yet. I tried using Show(), but the only problem is that I'd need to calculate the correct location for the dropdown menu to popup. Any better solutions?
Thanks,
Arun
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Hi, I am new to .NET. I know C/C++ and use VS6.0
Nowadays I get touch with C# and its more easy to develop windows programs with it. I install VS7.0. But I can only run my programs in my computer. What is the minimum requirement to execute any program ,that creat by VS7.0, to run a computer.
Does it run in windows 95/98/me/XP...
I heard about CLR, JIT and pre-JIT.
I think the new .NET Framework much like java and today most of the computers have JVM to run java programs. What is JVM equal in .NET Framework and how to get it.
If the answers of this questions is long please refer me an URL to read more...
thankx
karanba
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karanba wrote:
VS7.0
That's not meaning much. You've got to tell us whether you are using VC++.NET, VC#.NET, ...
And even if you use VC++.NET, you may quite well not use managed C++ at all, thus remain with WIN32/MFC/ATL/STL libs. managed C++ uses the .NET framework to compile and run, while standard C++ does not.
karanba wrote:
Does it run in windows 95/98/me/XP...
The .NET run-time runs on 98 oses+. The light .NET run-time known as the compact framework runs on pocket PCs.
karanba wrote:
I think the new .NET Framework much like java and today most of the computers have JVM to run java programs. What is JVM equal in .NET Framework and how to get it.
The .NET framework is a commercial name for the .NET virtual machine, also known as the CLR. It directly competes with the JVM, so much that MS even provides a bridge to translate java code to .NET compliant code.
Often, people use the .NET framework words to refer to the FCL (framework class library).
If you build an app with C#, VB.NET, managed C++, or other .NET languages, you need to distribute the .NET run-time as well. Which is 22MB. Lookup MSDN or google with that keyword : dotnetfx.exe
A few terms :
- .NET framework : core .NET package
- CLR : common language runtime ( = .NET run-time )
- CLI : common language infrastructure (design)
- CTS : common type system (string, int, ...)
- FCL : framework class library
- VisualStudio 7 : latest MS IDE (used for ASP.NET as well)
- VisualStudio 7.1 (codename Everett) : in beta until feb (I believe)
- .NET run-time 1.0 : Feb2002 RTM run-time
- .NET run-time 1.1 : beta run-time for .NET (along with Everett)
(embeds the compact framework)
- Visual Studio .NET = Visual Studio 7.x
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thanks
I get the answers as well.
I want to ask a few
*Does a user need dotnetfx.exe to see pages that writen in ASP.NET?
*And for big programs doesn't it slow the copile time with JIT.
*On a coputer does a C# program need to be copile just only for first time or every time with JIT.
*So on is there any big program like AutoCAD, any office program or another gave up a release that use .NET framework.
karanba
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karanba wrote:
Does a user need dotnetfx.exe to see pages that writen in ASP.NET?
Yes. ASP.NET uses classes from it.
karanba wrote:
And for big programs doesn't it slow the copile time with JIT.
It's compiled once only, the first time you execute the app. The .exe native image is automatically placed in a folder called the Global Assembly Cache, and then launched from there.
Well, yes, compilation takes time. I have yet to hear figures about huge .NET projects, however. So I guess pretty much nobody knows what are the figures for a 500,000+ lines of code app.
karanba wrote:
On a coputer does a C# program need to be copile just only for first time or every time with JIT.
Anytime the native image is not in the GAC. Typically, it's once time after each reboot.
Pay caution to the fact the GAC can be programmatically reached, made expired, and even purged. After such thing from another app, which you can't control, your app needs to be JIT-compiled again.
karanba wrote:
So on is there any big program like AutoCAD, any office program or another gave up a release that use .NET framework.
Apps that require brutal force will continue to live with C/C++ for the foreseeable future. Memory consumption (lack of control over the garbage collector), startup time, ..., are good reasons why.
And of course, .NET is really young and still unproven a platform.
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karanba wrote:
Does a user need dotnetfx.exe to see pages that writen in ASP.NET?
The end-user doesn't need the .NET framework installed to view an ASP.NET page. The server that is producing ASP.NET content needs to have the .NET framework installed.
karanba wrote:
And for big programs doesn't it slow the copile time with JIT.
S.Rod was misleading in his answer. What he said is true if you run the ngen tool on the assemblies that make up the big program. It also doesn't apply if the assemblies are used in an ASP.NET application.
In all other cases, methods are JITted when they are first run, then the native code is kept around until the application (maybe even the AppDomain) unloads or the underlying IL is marked as dirty. The next time the application is loaded all the methods need to be JITted again.
If you don't understand this right away; don't worry, its a confusing topic.
karanba wrote:
On a coputer does a C# program need to be copile just only for first time or every time with JIT.
This ties in above, but to re-answer. In most cases the program will be JITted every time it is run. Only ngen can change that, and it has no effect on ASP.NET applications.
James
"The elastic retreat rings the close of play as the last wave uncovers
the newfangled way.
But your new shoes are worn at the heels and
your suntan does rapidly peel and
your wise men don't know how it feels to be thick as a brick."
"Thick as a Brick" from Thick as a Brick, Jethro Tull 1972
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.thanx for all answers but I am not sure that get the subject. Please confirm me tha tif I understand truely.
(what is ngen?)
---------------------------------------------------
1. I wrote a program with some methods. Then when I built it with Visual studio.NET (or csc) all the things I wrote and other methods (like Console.write...) turned to MSIL. MSIL like something assembly (also this IL language could write directly by developer), so I get an .exe file.
2. When I clicked this .exe file anywhere (if .NET Framework is installed on the system) turned to native code by JIT (specific for the systems and for CPU) and runs. And this may done every time.
3. Only ngen can change that! what is ngen. How to use it.
4. One more... Doesn't it get security problems that MSIL can seen by using disassembler.
karanba
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You must install .NET framework on a computer to run
.NET based applications on it. You can download .Net
Framework from Microsoft
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