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What is Reflection? I have heard about it in the context of Java.
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I am also not familiar with Reflection. However if all you want to do is to produce a new class object based on the string passed into a function, one of the factory methods would work fine. For achieving your simple aim, the Builder method or the Abstract Factory should suffice.
I believe that there are various cool methods already on CodeProject on these subjects.
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i have written an application..MFC in VC++ to carry out PC 2 PC commn
using TAPI3.0(API's)
all the API's including Answer( ), Disconnect( ),all r wrking that is i am able to dial an IP and connect to that PC,answer a call at the other Pc,
and Hang up frm either sides..without any problem..voice is also being carried..
when i tried Hold( )to hold my call...it does not happen..or the Transfer..
there is no sample code for these and i am utterly confused..
the function does not return OK(will return this if carried out properly)
instead some error..number..is given..
Thanks for the details Michael, Let me explain in detail,
TSP is TAPI3.0
the functions r ITBasicCallControl::Hold
and ITBasicCallControl::Transfer
linehold and linetransfer are for TAPI2.0
my application is completely in TAPI3.0
and the other functions in it like..
ITBasicCallcontrol:: Answer and Connect r wrking perfectly fine..
and i have nothing to do with the modem..
cos this is for PC 2 PC communication
Pls. let me know
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Hi!
I have odb from ben bryant to connect to a oracle database. i connect with a string and the open memberfunction (database,user,pw). now i want to connect with the user sys. in oracle 9 you must connect the user sys with "as sysdba" how i must connect with the odb open memberfunction or another memberfunction as sysdba????
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hi,
there is having any free reporting tool like crystal report. help to me.
thanks in advance
Murali.M
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I'm looking for the windows control that works like the control in the link below.
http://www.codeproject.com/docking/crdxpcbar.asp
The above control is a good beginning, but don't work like the one in windows.
The windows control is used very often in the new XP user interface.
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Hi everybody,
Does anyone know how do I get the current font settings used for Message Box in Appearance tab page in display properties dynamically? and then use that font in the dialogs in my VC++ programs?
regards,
Roozbeh
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if ( SystemParametersInfo( SPI_GETNONCLIENTMETRICS, sizeof(NONCLIENTMETRICS), &ncm, 0 ) )
;
"lfMessageFont
Pointer to a LOGFONT structure that contains information about the font used in message boxes. "
Neville Franks, Author of ED for Windows. Free Trial at www.getsoft.com
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Hi,
I need to do this as well but for me the function returns zero and so does GetLastError() after it. What am i missing?
Cheers,
Andy.
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Andy Latham wrote:
I need to do this as well but for me the function returns zero and so does GetLastError() after it. What am i missing?
This doesn't make sense, unless maybe you aren't:
ncm.cbSize = sizeof(NONCLIENTMETRICS);
before calling SystemParametersInfo().
Neville Franks, Author of ED for Windows. Free Trial at www.getsoft.com
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Hi all,
Does anyone know how to programmatically (from a Service) detect when a new user has logged on under Windows NT / 2000 / XP, etc.
regards,
Darka
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Search MSDN and the Internet for GINA. I believe that is what you are looking for.
Five birds are sitting on a fence.
Three of them decide to fly off.
How many are left?
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Hello Friends,
I am Having a tree ctrl in a dialog box now when i set the checkbox property of the tree ctrl then there is a very Long Horizontal scroll bar at the bottom of the TreeCtrl. This scroll bar is very long even if the length of the string is small
Can anyone help me out in removing the scroll but i want the Vetical Scroll...
Thanx
TAKE CARE
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Check resource editor.
Kuphryn
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You have given me a very big Hint but i didnt get sorry...
If you can specify some details then it would be helpful for me to solve the problem..
awating reply
Thanx
TAKE CARE
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Hi!
in my program I often have to allocate and dellocate buffers for strings. For this, I thought I could avoid memory fragmentation by using an own memory allocation routine which will allocate some more bytes than needed, so many as needed to fill a full block.
What is the best size for such a "full" block?
Thanks in advance!
Dominik
_outp(0x64, 0xAD);
and
__asm mov al, 0xAD __asm out 0x64, al
do the same... but what do they do??
(doesn't work on NT)
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If u r using string from STL, it gives facility of reserving memory space.
Read more on Function reserve().
This will suffice the need.
The chosen One
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No, I am not using STL. I allocate the memory using 'new' and pointing with a char* to it.
Dominik
_outp(0x64, 0xAD);
and
__asm mov al, 0xAD __asm out 0x64, al
do the same... but what do they do??
(doesn't work on NT)
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Would it be of any benefit to only allocate the memory once and just reuse it?
Five birds are sitting on a fence.
Three of them decide to fly off.
How many are left?
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The maximum size of a string is variable (it could just be one character or 2000 for example). Also there isn't any string number limit (only one string or more than 1000).
So I need to allocate them dynamically.
Dominik
_outp(0x64, 0xAD);
and
__asm mov al, 0xAD __asm out 0x64, al
do the same... but what do they do??
(doesn't work on NT)
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That's fine. I was just trying to ascertain whether you could minimize the impact on the memory manager. One idea, which is how MFC's CString class works, is to only reallocate when necessary. Something like:
char *pBuffer;
int amount_currently_allocated = 0;
while (...)
{
amount_needed = ???;
if (amount_needed > amount_currently_allocated)
{
delete [] pBuffer;
pBuffer = new char[amount_needed];
amount_currently_allocated = amount_needed;
}
...
}
Five birds are sitting on a fence.
Three of them decide to fly off.
How many are left?
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DavidCrow wrote:
Five birds are sitting on a fence.
Three of them decide to fly off.
How many are left?
2 ???
Dominik
_outp(0x64, 0xAD);
and
__asm mov al, 0xAD __asm out 0x64, al
do the same... but what do they do??
(doesn't work on NT)
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I have a problem with the net use /d cmd in NT, basically we have an application that runs a batch file to map a drive to a unix box on startup -
net use z: \\servername\sharename password username /persistent:no
the on close down it removes the mapping using -
net use z: /d
after this if I try to remap the drive I get the following error -
System error 1312 has occurred.
A specified logon session does not exist. It may already have
been terminated.
This seems to be caused by the fact that the TCP session is not closed by the net use /d, if I close it using a util called tcpview by systems internals I can then reconnect.
Does any one know of a utility that will let me close a TCP port from the cmd prompt, I have been trying to write one myself but although I can create a connection, list the TCP connections etc I can't seem to work out how to connect to and close an existing connection created by another process.
Any Ideas? i'm stuck.
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hmmm, i don't think, that this is a question for the visual c++ forum!
Don't try it, just do it!
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