ATL / WTL / STL

Re: VS2010 CLR double to String, String to double MSVC/C++ methods?

8-Jan-12 0:02

That looks OK.

meace1234 wrote:
CLR isnt too bad... better than MFC yes?

No, just different.

Unrequited desire is character building. OriginalGriff
I'm sitting here giving you a standing ovation - Len Goodman

rana ray15-Feb-12 20:03

rana ray

15-Feb-12 20:03

Did you try to find out on MSDN?

regards,
Vatsa
www.objectiveprogramming.com

Re: VS2010 CLR double to String, String to double MSVC/C++ methods?

meace12347-Jan-12 17:57

meace1234

7-Jan-12 17:57

//How to do conversions for CLR C++ GUI
//This worked

double dblInput1 = 0.0;
double dblInput2 = 0.0;
double dblAnswer = 0.0;
String ^ strInput1;
String ^ strInput2;
strInput1 = this->Input1textBox->Text;
strInput2 = this->Input2textBox->Text;

Double::TryParse(strInput1, dblInput1);
Double::TryParse(strInput2, dblInput2);

dblAnswer = dblInput1 + dblInput2;

Answer1textBox->Text = System::Convert::ToString( dblAnswer );

But, How do i add an If then to handle the TryParse exception???

Re: VS2010 CLR double to String, String to double MSVC/C++ methods?

meace123415-Jan-12 22:45

meace1234

15-Jan-12 22:45

//Here is the conversion part CLR C++ GUI
//CLR isnt too bad… better than MFC yes?

double dblInput1 = 0.0;
double dblInput2 = 0.0;
double dblAnswer = 0.0;
String ^ strInput1;
String ^ strInput2;
strInput1 = this->Input1textBox->Text;
strInput2 = this->Input2textBox->Text;

if (Double::TryParse(strInput1, dblInput1) & Double::TryParse(strInput2, dblInput2))
{
// do something
dblAnswer = dblInput1 + dblInput2;

Answer1textBox->Text = System::Convert::ToString( dblAnswer );
}

else
{
// the text was not a number
MessageBox::Show(“Error”);
}

WTL/ATL

chithrakochu2-Jan-12 21:03

chithrakochu

2-Jan-12 21:03

Hi ,
i want to import WTL in an ATL project,if anyone have any idea ,please share !!!!!!!!!

Re: WTL/ATL

Pablo Aliskevicius16-Jan-12 4:17

Pablo Aliskevicius

16-Jan-12 4:17

There is a WTL section in CodeProject, I'd suggest you to look there.
In practice, you have to #include a few WTL headers in your STDAFX.H.
Take a look at Creating a WTL Dialog, Property Sheet or Wizard out of a resource (The Easy Way)[^], the sample project is an ATL DLL with WTL for the UI: the stdafx.h file will give you a hint.

Hope this helps,

Pablo.

"Accident: An inevitable occurrence due to the action of immutable natural laws." (Ambrose Bierce, circa 1899).

listing Office contacts

tasumisra26-Dec-11 0:30

26-Dec-11 0:30

Hi Guys,

i want to list and check the status of each contact of my Office Communicator

for this i have done till
1)i can see number of contact from get_count method
2)GetContact method is also successfully executed.

and done know how to move further..

any help is appriciated..

C++

CoInitialize(NULL);
	HRESULT  hr = CoCreateInstance(CLSID_Messenger,NULL,CLSCTX_LOCAL_SERVER,
	IID_IMessenger, (LPVOID *)&m_pIMessenger);

	BSTR myName;
	MISTATUS sMyStatus;

 	//hr = m_pIMessenger->get_MyFriendlyName(&myName);
	hr=m_pIMessenger->get_MySigninName(&myName);
	hr = m_pIMessenger->get_MyStatus(&sMyStatus);

	BSTR serviceId;
	m_pIMessenger->get_MyServiceId(&serviceId);

	IDispatch *pContacts;
	IMessengerContacts *pCon;
	  BSTR bstrServiceId;

	      hr = m_pIMessenger->get_MyServiceId(&bstrServiceId);
		
	  if (FAILED(hr))
		 return NULL;

	

	  hr = m_pIMessenger->GetContact(myName, bstrServiceId, 
                                     (IDispatch**)&pCon);
	  </blockquote>

vikas da

Richard MacCutchan26-Dec-11 6:54

26-Dec-11 6:54

I don't see the items you refer to in your code extract.

Unrequited desire is character building. OriginalGriff
I'm sitting here giving you a standing ovation - Len Goodman

tasumisra26-Dec-11 21:28

26-Dec-11 21:28

Thanks for the reply...

Please find the complete code

C++

<blockquote class="FQ"><div class="FQA">Quote:</div>#include<iostream>
#include <windows.h>
#include <tchar.h>
#include<Iads.h>
#include <ole2.h>


#include "c:\program files\Microsoft Office Communicator\SDK\msgrua.h"

const GUID IID_IMessenger =
{0xD50C3186,0x0F89,0x48f8,{0xB2,0x04,0x36,0x04,0x62,0x9D,0xEE,0x10}};

const GUID CLSID_Messenger =
{0x8885370D,0xB33E,0x44b7,{0x87,0x5D,0x28,0xE4,0x03,0xCF,0x92,0x70}};

const GUID IID_MessengerContacts =
{0xE7479A0F,0xBB19,0x44a5,{0x96,0x8F,0x6F,0x41,0xD9,0x3E,0xE0,0xBC}};

const GUID IID_IEnumVARIANT =
{0x00020404,0x0000,0x0000,{0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};

IMessenger* m_pIMessenger;

IMessengerContact* GetContact(BSTR bstrSigninName);

using namespace std;

int _tmain(int argc, _TCHAR* argv[])
{
	CoInitialize(NULL);
	HRESULT  hr = CoCreateInstance(CLSID_Messenger,NULL,CLSCTX_LOCAL_SERVER,
	IID_IMessenger, (LPVOID *)&m_pIMessenger);

	BSTR myName;
	MISTATUS sMyStatus;

	//hr = m_pIMessenger->get_MyFriendlyName(&myName);
	hr=m_pIMessenger->get_MySigninName(&myName);
	hr = m_pIMessenger->get_MyStatus(&sMyStatus);

	BSTR serviceId;
	m_pIMessenger->get_MyServiceId(&serviceId);

	IDispatch *pContacts;
	IMessengerContacts *pCon;

	if (FAILED(hr))
		return NULL;

	hr = m_pIMessenger->GetContact(myName, serviceId, 
	(IDispatch**)&pCon);
	if(FAILED(hr))
	{
		cout<<"Failed";
	}

	m_pIMessenger->get_MyContacts(&pContacts);
	pContacts->QueryInterface(__uuidof(IMessengerContacts),(void**)&pCon);
	
	long lCount=0;
	pCon->get_Count(&lCount);
	
	CoUninitialize();

	return 0;
}</blockquote>

Bow here i can see the count..now i want to iterate through each contact ..i am not getting right method to do the same.

vikas da

Richard MacCutchan27-Dec-11 0:21

27-Dec-11 0:21

tasumisra wrote:
now i want to iterate through each contact

Use the Item[^] method.

Note: please use <pre> tags round code not <blockquote>

Unrequited desire is character building. OriginalGriff
I'm sitting here giving you a standing ovation - Len Goodman

tasumisra27-Dec-11 0:45

27-Dec-11 0:45

Thanks Rich..

added

IDispatch *ppContacts;
    hr=pCon->Item(0,&ppContacts);

after that not getting any clue how to proceed further...any help ..i am just blank...

vikas da

Richard MacCutchan27-Dec-11 0:57

27-Dec-11 0:57

tasumisra wrote:
not getting any clue how to proceed further...any help ..i am just blank.

Well I guess you need to iterate through the list from zero to the maximum value as indicated by the Count property.

Unrequited desire is character building. OriginalGriff
I'm sitting here giving you a standing ovation - Len Goodman

tasumisra27-Dec-11 3:18

27-Dec-11 3:18

i tried that as above...

C++

hr=pCon->Item(0,&ppContacts);

now ppContacts seems to be another interface with all COM predefined methods like Querry interface ,addref release etc.

vikas da

Richard MacCutchan27-Dec-11 4:50

27-Dec-11 4:50

You really need to spend a lot more time reading the documentation on this interface before trying to implement it.

Unrequited desire is character building. OriginalGriff
I'm sitting here giving you a standing ovation - Len Goodman

tasumisra27-Dec-11 5:44

converting CString to Char[100]

27-Dec-11 5:44

Thank you so much Rich.. yes there is a need of going through the documentation.

vikas da

KRISHNARAYALU19-Dec-11 22:30

KRISHNARAYALU

19-Dec-11 22:30

I want to Convert CString value to Char[100];
Please guide me.

Thanks,
Krishna

Albert Holguin20-Dec-11 4:56

Albert Holguin

20-Dec-11 4:56

Not sure why char[100]... ??? ...why not get the size first then allocate the array dynamically?

But, you can use the CString::GetBufferSetLength() (allows you to specify maximum size) method then just copy the contents of the buffer to the char[] using memcpy().

KRISHNARAYALU20-Dec-11 17:00

KRISHNARAYALU

20-Dec-11 17:00

For Example i took char[100] As you mentioned i need to take the length of the string.
Thankyou Albert.

Richard MacCutchan20-Dec-11 21:37

20-Dec-11 21:37

Use strcpy() or its wide character equivalent for the copy. For further information see here[^].

Unrequited desire is character building. OriginalGriff
I'm sitting here giving you a standing ovation - Len Goodman

Albert Holguin21-Dec-11 9:30

Albert Holguin

21-Dec-11 9:30

Forgot you can use that on a CString... Thumbs Up | :thumbsup:

Richard MacCutchan21-Dec-11 9:46

21-Dec-11 9:46

If I had $1 for everything I've forgotten ... Wink | ;)

Unrequited desire is character building. OriginalGriff
I'm sitting here giving you a standing ovation - Len Goodman

stonexin20-Dec-11 18:18

stonexin

20-Dec-11 18:18

C++

LPSTR WideChar2MBCS( const CString& strCS )
{
	const UINT wLen = strCS.GetLength() + 1;
	UINT aLen = WideCharToMultiByte(CP_ACP,0,strCS,wLen,NULL,0,NULL,NULL);
	LPSTR lpa = new char[aLen];
	WideCharToMultiByte(CP_ACP,0,strCS,wLen,lpa,aLen,NULL,NULL);
	return lpa;
}

maybe this will help you.

myblog is: http://www.cppblog.com/stonexin/archive/2011/12/01/161280.html

stonexin20-Dec-11 18:18

stonexin

20-Dec-11 18:18

btw,this is unicode project.