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Ilici

IDirectPlay8Peer help pls

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i just started with directplay8 after lots of headaches and keyboard and mouse smashing with directplay3 i created the IDirectPlay8Peer obj with DirectPlay8Create(...) now when i call the enumerate function it returns strange error msg which is neither DPNERR_INVALIDPARAM nor PNERR_BUFFERTOOSMALL it is -2146073024. i dunno what it is but the main prob is that i cant get a list of the ServiceProviders . here is my code:
  
#include <dplay8.h>

#pragma comment (lib, "dplay.lib")
#pragma comment (lib, "dplayx.lib")
#pragma comment (lib, "dxguid.lib")
#pragma comment (lib, "dpnet.lib")

PDIRECTPLAY8PEER	dp;

// {5548930D-7262-11d7-AE23-0048541FE02B}

GUID gAppGUID  = { 0x5548930d, 0x7262, 0x11d7, 0xae, 0x23, 0x0, 0x48, 0x54, 0x1f, 0xe0, 0x2b };

DPN_SERVICE_PROVIDER_INFO dpSPs[16];

int mpInitialize()
{	
	DWORD numSP = 16;
	DWORD retSP = 0;
	
	int hr = DirectPlay8Create(&IID_IDirectPlay8Peer, (void **)&dp, NULL);
	
	if (hr)	
	{		
		lprintf("Cannot initialize DirectPlay\n", hr);		
//		return SYS_ERR;

	}

	hr = dp->EnumServiceProviders(NULL, NULL, dpSPs, &numSP, &retSP, 0);

	if (hr != S_OK)
	{
		switch (hr)
		{
			case DPNERR_BUFFERTOOSMALL: lprintf("buffer err\n"); break;
			case DPNERR_INVALIDPARAM: lprintf("Invalid param\n"); break;
		}
		lprintf("Cannot enumerate SPs (code %d) \n", hr);
		return SYS_ERR;
	}

	return SYS_OK;
}    


  
does anyone know of a good DirectPlay8Peer tutorial , in the SDK the samples are filled with lots of unneeded crap

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I would suggest looking at the SDK tutorials. They are in the same directory as the samples, but they don''t use any of the common code, use the console for IO, and thus are much easier to understand.

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