integrated dll and html - C# Discussion Boards

Re: Sending Message to all clients

20-Oct-04 6:27

This has been covered in this forum many times. Whether or not you're new to programming or even just a particular language, basic research skills are a must in the field of development. Next time, please search first. You can search this site's articles using the search box at the top of every page, or click "Search comments" in every forum to search previous threads. You could also just google the entire web.

The simplest way is to just use "net send" using the Process class:

Process.Start("net", "send /domain Hello, world!");

The other way is to P/Invoke the native functions but requires you understand what P/Invoke is. If you want to go that route, I suggest you search for the previous threads about "net send" and you'll find links and examples, but the method above works just fine.

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Software Design Engineer
Developer Division Sustained Engineering
Microsoft

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Zapss20-Oct-04 20:25

Zapss

20-Oct-04 20:25

Thanks for your suggetion Cool | :cool:

I have another doubt will please help me? link below
http://www.codeproject.com/script/comments/forums.asp?msg=949594&forumid=1649#xx949594xx

enabling log4net

samithas20-Oct-04 0:56

samithas

20-Oct-04 0:56

I'm using log4net in my app to print debugging information. I have added code as follows

static QuestionGroup()
{
log = log4net.LogManager.GetLogger(typeof(QuestionGroup));
isDebugEnabled = log.IsDebugEnabled;
isInfoEnabled = log.IsInfoEnabled;
}

public QuestionGroup()
{

questionGroupId="questionGroup"+questionGroupCreated++;
heading="Place your heading here";
subHeading="Place your subheading here";
position=-1;
this.questionList=new ArrayList();
if(isDebugEnabled)
{
log.Debug("QuestionGroup created with id :"+questionGroupId);
}
}

but in the output window it give the error
log4net:ERROR No appender named [LogFileAppender] could be found.
how can I fix it

samitha

Re: enabling log4net

Steve Maier20-Oct-04 4:54

20-Oct-04 4:54

I have just started to use log4net too in my shareware and I think its a great little tool. I think you need to look at your config file and clean it up abit and have only the things in there that you want/need. In mine I have a section named LogFileAppender, here it that section of my config (had to add spaces to get the xml to show up correctly):

< appender name="LogFileAppender" type="log4net.Appender.FileAppender">
    < param name="File" value="log-file.txt" />
    < param name="AppendToFile" value="true" />
    < layout type="log4net.Layout.PatternLayout">
	< param name="Header" value="[Header]\r\n" />
	< param name="Footer" value="[Footer]\r\n" />
	< param name="ConversionPattern" value="%d [%t] %-5p %c [%x] <%X{auth}> - %m%n" />
    < /layout>
< /appender>

Steve Maier, MCSD MCAD

Re: enabling log4net

samithas21-Oct-04 17:08

samithas

21-Oct-04 17:08

I'm getting the following messages
log4net:ERROR No appender named [LogFileAppender] could be found.
log4net: Appender named [LogFileAppender] not found.
log4net:ERROR No appenders could be found for category (Com.SriLogic.Qsurv.QBuilder.Gui.MainForm).
log4net:ERROR Please initialize the log4net system properly.
here is the config file
/**/
<?xml version="1.0" encoding="utf-8" ?>

<configuration>

<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
</configSections>
<startup>
<supportedRuntime version="V1.1.4322"/>
</startup>
<appSettings>
<add key="SerialQuestionID" value="1"/>
<add key="log4net.Internal.Debug" value="true"/>

</appSettings>

<log4net debug="true">

<logger name="Com.SriLogic.Qsurv.QBuilder.Gui.MainForm">
<level value="INFO"/>
<appender-ref ref="LogFileAppender" />
</logger>

<appender name="LogFileAppender" type="log4net.Appender.FileAppender,log4net">

<file value="C:\\error-log.txt" />
<param name="AppendToFile" value="true" />
<staticLogFileName value="true" />
<layout type="log4net.Layout.PatternLayout,log4net">
<param name="ConversionPattern" value="%d [%t] %-5p %c [%x] <%X{auth}> - %m%n" />
</layout>
</appender>

<root>
<priority value="INFO" />
<appender-ref ref="LogFileAppender" />
</root>

<category name="Com.SriLogic.Qsurv">
<priority value="INFO" />
<appender-ref ref="LogFileAppender" />
</category>
</log4net>
</configuration>

/**/

how can I fix this?

samitha

Re: enabling log4net

Steve Maier21-Oct-04 17:28

21-Oct-04 17:28

In my file I have my "logger" section defined at the end of the file under my "root" section. I think that yours might need to move down because it does not know the definition of the LogFileAppender before its defined. I can email you my file if you want too.

Steve Maier, MCSD MCAD

integrated dll and html

ppp00120-Oct-04 0:42

ppp001

20-Oct-04 0:42

Hi all,

I came across a case in which a dll and html page are integrated to launch an application in IE and I have no idea of what it is. It is an URL as below,
res://C:\file-path\example.dll/page.html
in the registry setting of the Internet Explorer, so when the user right click the page text inside the IE, the context menu will have the example appliction menu item, and via it the example application can be launched.

So how is the example.dll and page.html are integrated in this case ?
And how can I create a example dll and html page like this to launch an application ?

Thanks
Patrick

DJ_Catboy20-Oct-04 0:52

DJ_Catboy

20-Oct-04 0:52

Hi,

I am not entirely sure what is the best way to create these type of files, but I use a program called "Resource Hacker" (ResHacker.exe) - it is a freeware utility that allows you to read the resources from a dll. You can extract icons, etc...

The example that I would refer to would be the "Outlook Today" page within outlwvw.dll (in the standard office path), you can change the page that is displayed in Outlook by using Resource Hacker. Works really nicely. I am sure that there would be a way to insert a new HTML page for external access using this?

Hope this is helpful,

DJ

ppp00120-Oct-04 1:22

ppp001

20-Oct-04 1:22

Thanks DJ,

But I would like to know how to create a DLL like this by programming in c# and how to contruct the corresponding html also.

Patrick

Heath Stewart20-Oct-04 6:21

20-Oct-04 6:21

See my reply for how to embed HTML files (and other files) in a library, which has nothing to do with C#, BTW.

If you want to know how to construct HTML documents, you best pick up a book on HTML or learn by example and view source for other sites in additional to reading about the tags (don't just guess at what they do). This is not the forum to teach you about writing HTML (it's not considered programming since HTML is not a programming language).

This posting is provided "AS IS" with no warranties, and confers no rights.

Software Design Engineer
Developer Division Sustained Engineering
Microsoft

[My Articles] [My Blog]

ppp00120-Oct-04 14:30

ppp001

20-Oct-04 14:30

Thanks so much,

I know how to construct a html, but how can I construct a html page
with the dll with that it could launch an application in window ?

Patrick

Heath Stewart20-Oct-04 16:09

20-Oct-04 16:09

You're using "construct" here a little liberally. Smile | :)

Please be specific.

So you know how to construct the HTML page. I told you how to "construct" the DLL that contains the HTML page (same thing applies to images you might want to use in the page). As I mentioned, you can either create a native DLL project, embed the HTML page, then hack the .rc file; or you can open a managed DLL after you've built it (yes - every time after you build it in VS.NET) and embed the HTML with a filename for the ID property. If you use the command-line compiler you can use the /win32res (for csc.exe; /win32resource for vbc.exe) to embed a .rc file. Support for compiling native .rc files at compile-time (and embedding them at link-time) will be added in VS2005.

Now, if your question is how to "construct" (start/execute/etc.) a browse session using this HTML dialog, the answer I gave you already: the res: protocol, which is also documented in the http://msdn.microsoft.com/library[^].

Just like you'd specify a URL to a resource on the web, such as http://www.codeproject.com/index.asp, you'd specify the path to a PE/COFF executable (like a Windows DLL) - or, if the file's parent directory is in your PATH environment variable, just the filename will do - then the path to the resource using either it's name or ID like the following two examples:

res://example.dll/example.htm

res://example.dll/123

This posting is provided "AS IS" with no warranties, and confers no rights.

Software Design Engineer
Developer Division Sustained Engineering
Microsoft

[My Articles] [My Blog]

Heath Stewart20-Oct-04 6:11

20-Oct-04 6:11

page.html is an embedded Win32 resources in a DLL. This does not currently work for embedded manifest resources (i.e., ".NET embedded resources").

You do this by editing your .rc file (VS.NET 7.0 and 7.1 do not support this for managed code; VS 2005 will) or opening your .dll in Visual Studio and adding a resource as an RT_HTML resource. You can also use the command-line compiler (like csc.exe or vbc.exe for C# and VB.NET, respectively) with the /win32res: switch to embed a Win32 resource in your PE/COFF executable.

If you want to refer to the resource by name, you need to manually edit the .rc file and refer to the resource by a string name that is not defined in resource.h (or any header included by your .rc file), like so:

EXAMPLE.HTM    HTML    "Example.htm"

The res: protocol is used to reference Win32 resources (this works for images and every other resources, too), so you simply refer to the DLL by name (if this DLL is in a directory specified in your PATH environment variable, you do not need to specify the path to the DLL) then / plus any directories then / and the resource name, like so:

res://example.dll/example.htm

If you have additional questions about hacking .rc files, please refer to the Visual C++ forums.

This posting is provided "AS IS" with no warranties, and confers no rights.

Software Design Engineer
Developer Division Sustained Engineering
Microsoft

[My Articles] [My Blog]

installation kit

hagay_ar20-Oct-04 0:29

hagay_ar

20-Oct-04 0:29

how do i make installation kit ?

Re: installation kit

Steve Maier20-Oct-04 5:29

Saving TreeView Structure into a Binary Tree Data Structure

20-Oct-04 5:29

There are many ways of creating an installer. You could use the "setup and deployment" project template to create your setup. You could use a third party installer such as Install Shield, Wise, NSIS, etc.

Of course you have not said if it was for a web app or a Windows app. So some things might be a bt different for them, but overall its not that hard to make. Right now I prefer just making a setup project inside of VS and adding it to the solution.

Also if you want the installer to include the .NET redistributable inside of it, there is a plugin from Microsoft to let your setup project include the full .NET setup inside of yours. Each other installer system may or may not be able to include the .NET setup too.

Steve Maier, MCSD MCAD

vchalla19-Oct-04 23:04

vchalla

19-Oct-04 23:04

Hi All,

I have a treeView control and i am adding nodes to it dynamically.But i want to save total tree to a Binary Tree Data Structure.I don't know about Binary Tree,So any body knows how to send treeview data to binary tree pls send me the steps and if possible sample code.

thanks

sastry
Unsure | :~

HttpWebRequest.GetResponse takes long time

Member 140279719-Oct-04 22:58

Member 1402797

19-Oct-04 22:58

Hi,

I am trying to download a file from server using WebRequest object. The following is my algorithm.

1. Create a WebRequest object
WebRequest req = WebRequest.Create(<URL>);

2. Set the method to the request object
req.Method = "GET";

3. Set the current user credentials
req.Credentials = CredentialCache.DefaultCredentials;

4. Get the response
WebResponse res = req.GetResponse();

5. Get the response stream
Stream inStream - res.GetResponseStream();

6. Save the stream to the local file.

GetReponse takes lot of time and I want to optimize the same. Can anyone suggest me what settings I can make so that I can reduce the time. I will be downloading the files from within the intranet.

Thanks for any suggestions

V. Srinivas

Re: HttpWebRequest.GetResponse takes long time

yoaz19-Oct-04 23:33

yoaz

19-Oct-04 23:33

my suggestions, not much of a solution:

maybe it's worth trying to use ftp for the files transfer.
try to use a network sniffer (even windump will do) to see where, and especially when, the delays occur

there are no facts, only interpretations

Re: HttpWebRequest.GetResponse takes long time

Member 140279720-Oct-04 1:07

Member 1402797

20-Oct-04 1:07

Thanks for the suggestions. Actually I am downloading the files from Microsoft Share Point Server and the files need to be downloaded using the URL paths. I am not very sure whether ftp supports URLs.

Regards,

V. Srinivas

Re: HttpWebRequest.GetResponse takes long time

yoaz20-Oct-04 4:21

yoaz

20-Oct-04 4:21

V. Srinivas wrote:
I am not very sure whether ftp supports URLs

neither am I. But try sniffing the network, this way you'll know if its a server problem, a client problem or a mysterious network problem.

there are no facts, only interpretations

Why C# (and .NET) does not support multiple-class-inheritance?

Salil Khedkar19-Oct-04 22:43

Salil Khedkar

19-Oct-04 22:43

I am myself not a great admirer of this feature and I understand we can still do the needful using interfaces. But I am interested in *technical reasons* why .NET guys decided to omit this feature from .NET Confused | :confused:

This seems to be a favourite interview question.

Re: Why C# (and .NET) does not support multiple-class-inheritance?

Steve Maier20-Oct-04 5:37

Re: Why C# (and .NET) does not support multiple-class-inheritance?

20-Oct-04 5:37

Here is a little things that I read recently.

C# offers only single inheritance which means that a class can have only one direct base class. This restriction is actually imposed by the CLR so single inheritance is the rule for all .NET languages. The designers of .NET acknowledge that multiple inheritance is more powerful than single inheritance; however, they decided that the extra complications and ambiguous situations that arise in the presence of multiple base classes were not worth this extra power.

Steve Maier, MCSD MCAD

Salil Khedkar20-Oct-04 20:47

Salil Khedkar

20-Oct-04 20:47

Hey thanks buddy, that’s right. Rose | [Rose]

I think, I should frame my interview answer as follows:

(1) As one of the core features, .NET platform targets to support multiple languages. The internal constructs of each language compiler to implement MI differ.
(2) The cost of implementing MI (especially due to above mentioned reason) is quite high as MI is relatively rarely used in most OOP designs. For those rare situations, interface based MI, which does not involve much of an overhead and complexities, can be used.
(3) A language or platform supporting MI becomes rather complex from developer as well as the compiler writer perspective because of the confusion involved in casting, member references ambiguity, serializing and so on. .NET aims to be a clean and intuitive platform.

Howz that? Wink | ;)

Re: Why C# (and .NET) does not support multiple-class-inheritance?

Steve Maier21-Oct-04 3:43