C / C++ / MFC Discussion Boards

PrashantJ11-Apr-05 0:41

11-Apr-05 0:41

Might sound quite silly, but I am not able to see the wizard bar. Looked at the customize option to see whether its missing, but could'nt really find it.

THanks,

Re: A question on visual studio

ThatsAlok11-Apr-05 1:12

ThatsAlok

11-Apr-05 1:12

Sorry no Idea About .Net ,i Still work in VS 6.0

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Re: A question on visual studio

RChin11-Apr-05 1:52

RChin

11-Apr-05 1:52

The Wizard Bar is only available in VS6.
Since you are using the .NET studio, you can activate the drop down combos by :

Tools->Options->Text Editor->C/C++->Navigation Bar

I Dream of Absolute Zero

Re: A question on visual studio

PrashantJ11-Apr-05 1:59

PrashantJ

11-Apr-05 1:59

I found that the navigation bar option is checked. Relaunched the visual studio but not able to see the combos.

Re: A question on visual studio

toxcct11-Apr-05 2:32

toxcct

11-Apr-05 2:32

uncheck the checkbox, quit, then recheck it...

if not, reinstall Visual Studio Big Grin | :-D

TOXCCT >>> GEII power
[toxcct][VisualCalc]

Getting video info

smack_2k210-Apr-05 23:09

smack_2k2

10-Apr-05 23:09

Hi guys,
I'm kinda new in directx programming and i have to write a application that detects the video info: like video codec, audio bitrate and number of channels, and i have no ideea where to start.
Any hints / code / links would be great.
Thanks.

How do I record sound using DirectSound?

mpallavi10-Apr-05 22:34

mpallavi

10-Apr-05 22:34

Hi Can anyone please tell me how do i record sound using Directx's DirectSound..
At present i am recording sound (waveforms) using MCI.
thanx
pallavi.

Re: How do I record sound using DirectSound?

Tareq Ahmed Siraj10-Apr-05 23:22

Tareq Ahmed Siraj

10-Apr-05 23:22

Get yourself the microsoft directx 9 sdk[^] and look @ the 'CaptureSound' sample.

- tareq

Installer

topeakinniyi10-Apr-05 22:20

topeakinniyi

10-Apr-05 22:20

Hi,

I have this project. It is an installer with the following requirments:

1. Enumerate COM Ports and prompt the user to select one to use for a modem.
2. Then programatically install the modem on the COM port selected from either a unimodem .inf file or a Nokia 2285 .inf file without any intervention again.

I need your assistance (even if commercial in nature) to accomplsh this in C/C++ or VB.

Best regards.

Tope Akinniyi
topeakinniyi@yahoo.co.uk

XML file traversal ????

Ritu Kwatra10-Apr-05 21:27

Ritu Kwatra

10-Apr-05 21:27

Hi all,

I am developing a Win32 Console application that reads XML file and displays the data. I am importing msxml4.dll and then usiing the following code to create the instance of the DomDocument class

HRESULT hr;
IXMLDOMDocumentPtr pDocument = NULL;
IXMLDOMParseErrorPtr pParseError = NULL;
BSTR bstr = NULL;
VARIANT_BOOL status = NULL;
VARIANT vsrc;

CoInitialize(NULL);

hr = CoCreateInstance(CLSID_XMLDocument,NULL,_ CLSCTX_INPROC_SERVER,IID_IXMLDocument,(void**)&pDocument);

VariantInit(&vsrc);
V_BSTR(&vsrc) = SysAllocString(L"try.xml");
V_VT(&vsrc) = VT_BSTR;

hr = pDocument->load(vsrc,&status);
hr = pDocument->Getxml(&bstr);
cout << "Try.xml comtents: " << bstr;

if(bstr)
SysFreeString(bstr);
if(&vsrc)
VariantClear(&vsrc);
if(pParseError)
pParseError->Release();
if(pDocument)
pDocument->Release();

CoUninitialize();

when I compiled the program it gives error
'Getxml' : is not a member of 'IXMLDOMDocument'

when I run the application without calling getXML function it gives me run time error that unhandled exception in the application.exe 0xC0000005: Access Violation.
Can anyone tell me where I am wrong.
I ahve the following files in system folder
msxml2.dll,msxml2r.dll,msxml3a.dll,msxml3.dll.msxml3r.dll.msxml4.dll,msxml4r.dll.msxmlr.dll

One point where I suspect error could be as to crete instance using CLSID_DOMDocument40, IXMLDOMDocument4 but in my project it gives me error when I call the CoCreateInstance with the above mentioned parameters.

Thanks in advance.

Ritu Kwatra

Re: XML file traversal ????

ThatsAlok10-Apr-05 22:37

ThatsAlok

10-Apr-05 22:37

Instead of GetXml() simply use IXmlDomDocument::xml variable. it is BSTR variable which contain whole XML file which is currently loaded in interface.

Anyway from where you got this example Code!

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Re: XML file traversal ????

Ritu Kwatra10-Apr-05 23:01

Ritu Kwatra

10-Apr-05 23:01

Hi Alok,
I tried accessing XML variable also but the error is same that is
'xml' : is not a member of 'IXMLDOMDocument'

and I got the example on the msdn site
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/xmlsdk/html/dom_hdi_cpp_getready.asp[^]

The difference in my code is in the CoCreateInstance statement. When I use CLSID_DOMDocument30(as in the msdn example) then it gives me the following error

'CLSID_DOMDocument30' : undeclared identifier

Ritu Kwatra

Re: XML file traversal ????

ThatsAlok10-Apr-05 23:17

ThatsAlok

10-Apr-05 23:17

Here is small example,hope that's work for you.

MSXML2::IXMLDOMDocument *l_pXMLDomDocument;
MSXML2::IXMLDOMElement  *l_XMLDomElemnent;
MSXML2::IXMLDOMNode  *l_XMLDomFirstNode,*l_XMLDomNextNode;

CLSID clsidXMLDom;
	
::CLSIDFromProgID(OLESTR"msxml2.domdocument"),&clsidXMLDom);

	
	if(SUCCEEDED(CoCreateInstance(clsidXMLDom,NULL,CLSCTX_ALL,IID_IXMLDOMDocument,reinterpret_cast<LPVOID*>(&l_pXMLDomDocument))))
{
	//Object creation successful
	MessageBox("Object Creation successful");
}

CString strXml="<xml><cp>helloo</cp></xml>";
l_pXMLDomDocument->loadXml(_variant_t(strXml.AllocSysString()));

MessageBoxW(NULL,l_pXMLDomDocument->xml,L"XML",MB_OK);

 l_pXMLDomDocument->get_firstChild(&l_XMLDomFirstNode);

 MessageBoxW(NULL,l_XMLDomFirstNode->GetnodeName(),L"",MB_OK);

l_XMLDomFirstNode->get_firstChild(&l_XMLDomNextNode);

 CString str;

while(l_XMLDomNextNode)
 {
 MessageBoxW(NULL,l_XMLDomNextNode->GetnodeName(),L"",MB_OKCANCEL);

 l_XMLDomNextNode->get_firstChild(&l_XMLDomFirstNode);

 while(l_XMLDomFirstNode)
 {
 MessageBoxW(NULL,l_XMLDomFirstNode->GetnodeName(),l_XMLDomFirstNode->GetnodeValue().bstrVal,MB_OK);

 l_XMLDomFirstNode->get_nextSibling(&l_XMLDomFirstNode);

 }
		  

 if(l_XMLDomNextNode->get_nextSibling(&l_XMLDomNextNode)==S_FALSE)
	 l_XMLDomNextNode=NULL;

 }

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Re: XML file traversal ????

Ritu Kwatra10-Apr-05 23:27

Ritu Kwatra

10-Apr-05 23:27

Hi Alok,

Error in the CoCreateInstance is still the same. Error is
D:\Ritu\VC++\Win32XML\xmlsource.cpp(20) : error C2065: 'IID_IXMLDOMDocument' : undeclared identifier

Ritu Kwatra

Re: XML file traversal ????

Ritu Kwatra10-Apr-05 23:33

Ritu Kwatra

10-Apr-05 23:33

Hi Alok,

The type of errors are still same. Errors are:
error C2039: 'loadXml' : is not a member of 'IXMLDOMDocument'
error C2039: 'xml' : is not a member of 'IXMLDOMDocument'
error C2039: 'GetnodeName' : is not a member of 'IXMLDOMNode'
error C2039: 'GetnodeName' : is not a member of 'IXMLDOMNode'
error C2039: 'GetnodeValue' : is not a member of 'IXMLDOMNode'

Ritu Kwatra

Re: XML file traversal ????

ThatsAlok10-Apr-05 23:37

ThatsAlok

10-Apr-05 23:37

use #include <msxml2.h>

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Re: XML file traversal ????

Ritu Kwatra10-Apr-05 23:53

Ritu Kwatra

10-Apr-05 23:53

Hi Alok,
Including msxml2.h does not make any difference. Right now I am downloading MSXML 4.0 SP2. It may change the scenario.
But to run the XML from visual basic we don't need to install MSXML4.0. Just registering the dlls are sufficient.

Do we really need to install MSXML4.0 for VC++ ??? I think if we have the DLLs then it should run in the proper way.

Ritu Kwatra

Re: XML file traversal ????

ThatsAlok11-Apr-05 0:06

ThatsAlok

11-Apr-05 0:06

There is theoretically no difference in COM programming in both VB and VC.
If some COM dll run in vb then it defiantly run in VC, that’s the power of COM!

Ritu Kwatra wrote:
Do we really need to install MSXML4.0 for VC++???

Actually MSXML SKD provide you -> documentation, sample source code and msxml4.h. it's upto u what do u need

Ritu Kwatra wrote:
I think if we have the DLLs then it should run in the proper way.

Just by registering the proper dll makes your program work properly.

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visual studio add-in & edit box

sumo6910-Apr-05 21:26

sumo69

10-Apr-05 21:26

hi all,

i've managed to write a simply add-in for visual studio. the toolbar currently only consists of a couple of command buttons.

i would like to add an edit box as part of my add-in. is this possible?

could someone please reply with some sample code to get me started?

cheers,
suresh

Help me to kill running bugs ....

Sreekanth Muralidharan10-Apr-05 19:07

Sreekanth Muralidharan

10-Apr-05 19:07

Hi I have an application which runs a timer synchronously. I think I have a bug in the timer. Can I find out the bug with the VC++ debugger or should I go for any other tools. Please help with ideas.
Regards
Sreekanth Muralidharan
Hyderabad

Re: Help me to kill running bugs ....

oustar10-Apr-05 19:22

oustar

10-Apr-05 19:22

windbg.

Re: Help me to kill running bugs ....

Sreekanth Muralidharan10-Apr-05 21:31

Sreekanth Muralidharan

10-Apr-05 21:31

Hi Thanks a lot. That was a great tool. Was due to memory leak !!
Regards
Sreekanth Muralidharan

Re: Help me to kill running bugs ....

ThatsAlok10-Apr-05 20:29

ThatsAlok

10-Apr-05 20:29

Download DBGView from here

http://www.sysinternals.com/ntw2k/freeware/debugview.shtml[^]

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Re: Help me to kill running bugs ....

Sreekanth Muralidharan10-Apr-05 21:33

Sreekanth Muralidharan

10-Apr-05 21:33

Hi That was a great tool. Thanks a lot for your invaluable guidance.
Problem due to memory leak..
Regards
Sreekanth Muralidharan

ShellApi

emilie560210-Apr-05 18:35

emilie5602

10-Apr-05 18:35

hi, how do i execute a dos program in MFC Application?i try using ShellExecuteEx, the prompt is shown but not the dos program it self.i think the dos program has running at the background of dos prompt..who can help me ,please!!

SHELLEXECUTEINFO ShExecInfo = {0};
ShExecInfo.cbSize = sizeof(SHELLEXECUTEINFO);
ShExecInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
ShExecInfo.hwnd = NULL;
ShExecInfo.lpVerb = NULL;
ShExecInfo.lpFile = "C:\\GLAP1.EXE";
ShExecInfo.lpParameters = "";
ShExecInfo.lpDirectory = NULL;
ShExecInfo.nShow = SW_SHOWNORMAL;
ShExecInfo.hInstApp = NULL;

if(ShellExecuteEx(&ShExecInfo)!= 0)
{
ShExecInfo.hProcess;
WaitForSingleObject(ShExecInfo.hProcess,INFINITE);

return 0;
}
else
return 1;

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