Inside the WinCE GUI

Listing 1: connectPoom.cpp
Using the Pocket Outlook Object Model

// To Use Pocket OutLook Make sure the pimstore.dll is
// on the device, and create the instance for IID_IPOutlookApp 
#define POA_OBJECT _T("PocketOutlook.Application")
#define YOURAPP_REG_KEY 
 _T("Software\\Microsoft\\PimApps\\PimExtensions\\Contacts\\AddIns\\YourApps")
// In resource file you will need to define the following:
#define IDS_MSCONTACT_MENU 400

STRINGTABLE DISCARDABLE 
BEGIN
IDS_MSCONTACT_MENU "Call Contact" // The string will appear on 
// the tools and popup menu
END

BOOL ConnectToPocketOutLook (void)
{
	CLSID clsid;
	HRESULT hr;
	HRFUNC pProc;

	// Start by initializing COM
	CoInitializeEx (NULL, 0);

	// Get the CLSID for the application
	hr = CLSIDFromProgID (POA_OBJECT, &clsid);

	if (FAILED(hr))
	{
		//example: DebugPrint (_T("ClassName::method Name"),
		// _T("%d,\t%s"), GetLastError(), tcbuffer);
		g_hPimstore = LoadLibrary (TEXT("\\windows\\pimstore.dll"));
		if (!g_hPimstore)
		{
		// You gotta have pimstore.dll, dude
		return FALSE;
		}

		pProc = (HRFUNC) GetProcAddress(g_hPimstore, TEXT("DllRegisterServer"));
		if (!pProc)
		{
		return FALSE;
		}

		// Register, please
		pProc();

		hr = CLSIDFromProgID(POA_OBJECT, &clsid);
		if (FAILED(hr))
		{
		return FALSE;
		}
	}

	// Now, let's get the main application
	hr = CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER,
	IID_IPOutlookApp, (PPVOID) &g_polApp);
	if (FAILED(hr))
	{
	return FALSE;
	}

	return TRUE;
}

// To dial from poom contact, first we need to create the registry key and 
// add a menu to contact for dialing directly from Contacts 
BOOL CreatePoomDialerRegistry ()
{
	HKEY hKey;
	TCHAR tcMenu[MAX_PATH+1] = _T("\0");
	BOOL bReturn = FALSE;

	if (ERROR_SUCCESS == RegCreateKeyEx (HKLM, YOURAPP_REG_KEY, 0, NULL, 0, 
	KEY_ALL_ACCESS, NULL, &hKey, NULL))
	{
		LPTSTR ptcData = _T("YourPoom.dll");

		LoadString (IDS_MSCONTACT_MENU, tcMenu, MAX_PATH);
		// lpValueName: the name of the value to set.
		// lpData: [in] Pointer to a buffer containing the data to be stored 
		// with the specified value name. 
		RegSetValueEx( hKey, _T("DLL"), NULL, REG_SZ, (BYTE*)ptcData, 
		(_tcslen(ptcData)+1)*sizeof (TCHAR));
		RegSetValueEx( hKey, _T("MENU"), NULL, REG_SZ, (BYTE*)tcMenu, 
		(_tcslen(tcMenu)+1)*sizeof (TCHAR));

		RegCloseKey( hKey );
		bReturn = TRUE;
	}

	return bReturn;
}
//End of File