Re: Read content from CTreeCtrl! - C / C++ / MFC Discussion Boards

Calling RpcServerUseProtseqEp after RpcMgmtStopServerListening

yccheok22-Jun-06 2:16

22-Jun-06 2:16

Hello all,

By following article at http://www.codeproject.com/internet/rpcintro1.asp and http://www.codeproject.com/internet/rpcintro2.asp, I was able to have RPC feature in my application.

However, I realize that even I successfully call the RpcServerUseProtseqEp for the first time. I will have problem calling the same function, with same parameters at the second time, after I close all the RPC resource using RpcMgmtStopServerListening. I will get the following error result:

RpcServerUseProtseqEp failed. The endpoint is a duplicate. (1740)

The sequence of my RPC server is as follow, RpcServerUseProtseqEp-> RpcServerRegisterIf-> RpcServerListen (In another thread)-> RpcMgmtStopServerListening-> RpcServerUseProtseqEp (Opps! Fail at here)

Any idea on how I can restart the RPC service after I end it?

Thank you

yccheok

win32 to console

Krishnatv22-Jun-06 1:42

Krishnatv

22-Jun-06 1:42

Hai I have a project which need to be build in win32 console, But I have build it in win32application. is there any small modification helps me to change the project win32 app to console instead doing all again.
Thanks in advance.
Krishna

Re: win32 to console

_AnsHUMAN_ 22-Jun-06 3:04

_AnsHUMAN_

22-Jun-06 3:04

AFAIK the interface used by the two types is all together different with very little similarities being shared between them.It would be easier for you to put your code again in console based application.

Somethings seem HARD to do, until we know how to do them.
Wink | ;-)

_AnShUmAn_

Re: win32 to console

led mike22-Jun-06 5:37

led mike

22-Jun-06 5:37

Any classes you have that are not related to User Interface should be reusable.

Re: win32 to console

Michael Dunn22-Jun-06 8:34

Michael Dunn

22-Jun-06 8:34

In your compiler options, remove the _WINDOWS preprocessor symbol and change it to _CONSOLE
In your linker options, change /subsystem:windows to /subsystem:console

--Mike--
Visual C++ MVP Cool | :cool:

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VB > soccer

Read content from CTreeCtrl!

bosfan22-Jun-06 1:40

bosfan

22-Jun-06 1:40

Hello comunity,
is there any function to read all contentens from an CTreeCtrl object, in order wich ist showed?
Mean like this:

Root
-Item1
-Item2
-Item3
--Child1
--Child2
--Child3
---Child_a
---Child_b
---Child_c
-Item4
....
-Item_n

in this order to print out or stored in an file!
i make my own but i cant read in the order like this sample

thanx
break;

Re: Read content from CTreeCtrl!

peterchen22-Jun-06 5:21

peterchen

22-Jun-06 5:21

You have to use GetNextItem(TVGN_CHILD) / GetNextItem(TVGN_NEXT) in a recursive function to iterate through all items. Start at TVI_ROOT.

Some of us walk the memory lane, others plummet into a rabbit hole

Tree<t> in C# || Fold With Us! || sighist

Re: Read content from CTreeCtrl!

bosfan22-Jun-06 9:57

bosfan

22-Jun-06 9:57

Hi,
thank you, i try to solve this..
regards
break;

Re: Read content from CTreeCtrl!

Hamid_RT22-Jun-06 20:10

Hamid_RT

22-Jun-06 20:10

use GetRootItem for get root and then use GetNextItem(TVGN_CHILD) maybe it is some helpful to you

whitesky

adding data at the end of already exisiting file

zahid_ash22-Jun-06 1:32

zahid_ash

22-Jun-06 1:32

HI,

A file "ABC.txt" has already been created using CFile and modes
CFile::modeCreate | CFile::modeWrite | CFile::typeBinary

Now I am opeing it using modes
CFile::modeNoTruncate | CFile::modeWrite | CFile::typeBinary
and write the data in it

but it do not appeand the data at its end.
I am also using CFile::SeekToEnd();

Whats the write ways to add data at the end of already existing file?

thanks

Regards.

Re: adding data at the end of already exisiting file

_AnsHUMAN_ 22-Jun-06 1:40

_AnsHUMAN_

22-Jun-06 1:40

I had a file with some text in it. And this code successfully appends text to it.

CStdioFile file;
file.Open ("C:\\abc.txt",CFile::modeCreate | CFile::modeNoTruncate | CFile::modeWrite );
file.SeekToEnd ();
file.WriteString ("Anshuman");
file.Close ();

Somethings seem HARD to do, until we know how to do them.
Wink | ;-)

_AnShUmAn_

Re: adding data at the end of already exisiting file

zahid_ash22-Jun-06 2:01

zahid_ash

22-Jun-06 2:01

Was there any problem with my way stated in above query?

Regards.

Re: adding data at the end of already exisiting file

_AnsHUMAN_ 22-Jun-06 2:14

_AnsHUMAN_

22-Jun-06 2:14

You can achieve the same with your method.(using CFile) Post some code about how you are going with that and then we can comment on the change or modification you need to make. My Guess is that you may not be closing the file after creating it.

Somethings seem HARD to do, until we know how to do them.
Wink | ;-)

_AnShUmAn_

Re: adding data at the end of already exisiting file

Hamid_RT22-Jun-06 20:25

Hamid_RT

22-Jun-06 20:25

and this code is work or not work

<br />
CFile file(_T("c:\\test.txt"),CFile::modeNoTruncate | CFile::modeWrite );<br />
file.SeekToEnd();<br />
file.Write(_T("test"),4);<br />
file.Close ();<br />

whitesky

TCP Socket Selection

69 Bay22-Jun-06 1:31

69 Bay

22-Jun-06 1:31

How do you choose the socket number that you wish to use for a TCP connection?
Is there a band of numbers that you can use, if so what are they?

Thanks for any advice!

Mike

Re: TCP Socket Selection

bolivar12322-Jun-06 2:15

bolivar123

22-Jun-06 2:15

Mike,

There is no hard fast rule to selecting a port number for your own TCP services. In general the first 1024 are reserved for "well known" services and 49152 to 65535 are reserved for dynamically allocated and/or private port numbers.

Keep in mind where your service will be used, if it is a public service that anyone can connect to via the Internet, then you might want to be fairly selective on what port number you use. However if your service/server is to be used on a private network, then you can just about pick any port you want.

You can find a list of "well known" port numbers at:
http://www.iana.org/assignments/port-numbers[^]

Hope this helps.

Re: TCP Socket Selection

69 Bay22-Jun-06 2:31

69 Bay

22-Jun-06 2:31

Thanks for this.

My application(s) will be used on a private network, so there shouldnt be any issues with connection over the internet. Looking down the list, the first free block is 3825 - 3835, so I will probably look to us these.

Thanks for you help!

Mike

function needs pointer not vector

PhilRosenberg22-Jun-06 1:08

PhilRosenberg

22-Jun-06 1:08

Hi I'm writing some code that uses a set of purchased numerical algorithms. Unfortunately they use c function calls so any array that are passed to the functions are done so with pointers.
I usually use vectors rather than arrays so does anyone know how I can pass the vectors to these functions? Is it as simple as passing vector.front() or is there some other way to convert a c++ vector to a c array/pointer?

cheers

Re: function needs pointer not vector

Justin Tay22-Jun-06 1:19

Justin Tay

22-Jun-06 1:19

I usually use &myvector[0] for the array and myvector.size() for the array length.

Re: function needs pointer not vector

Ryan Binns22-Jun-06 1:22

Ryan Binns

22-Jun-06 1:22

vector.front() will work just fine. Just remember that it returns a reference, so take the address of its return value...

Ryan

"Punctuality is only a virtue for those who aren't smart enough to think of good excuses for being late" John Nichol "Point Of Impact"

Re: function needs pointer not vector

Stephen Hewitt22-Jun-06 1:41

Stephen Hewitt

22-Jun-06 1:41

This technique is fine for vector s but it's not safe for any of the other standard containers.

Steve

Re: function needs pointer not vector

Ryan Binns22-Jun-06 2:03

Ryan Binns

22-Jun-06 2:03

Correct, but he did say he was using vectors...

Ryan

"Punctuality is only a virtue for those who aren't smart enough to think of good excuses for being late" John Nichol "Point Of Impact"

Re: function needs pointer not vector

Viorel.22-Jun-06 1:23

Viorel.

22-Jun-06 1:23

In order to obtain a pointer to vector's values, you can try this: myVector.at(0).

Re: function needs pointer not vector

FarPointer22-Jun-06 1:24

FarPointer

22-Jun-06 1:24

I have done the way u have suggested and didnt face any problem , since vector is also an array ,a self growing array and is continous we shouldn't face any problem .

Regards,
FarPointer
Blog:FARPOINTER

Re: function needs pointer not vector

C^hris L^osinger22-Jun-06 1:26

C^hris L^osinger

22-Jun-06 1:26

FarPointer wrote:
we shouldn't face any problem

just don't assume the front of the vector will stay in the the same place if you add (or remove) elements to the vector. in other words, changing the vector may invalidate your 'pointer'.

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