/////////////////////
// This function is just for quickly
// bailing out of your DirectX app when
// there's an error.
// There's also a few macros like DXTRACE_ERR_MSGBOX
// defined in <dxerr.h> but I don't like them
#include <dxerr.h>
#pragma comment ( lib, "dxerr.lib" );

void exitAppWithErr( HRESULT hr, TCHAR * err )
{
    TCHAR fullErr[ 1024 ];

    wsprintf( fullErr, TEXT("%s.\nDirectX says:  \"%s:  %s\"." ),
err, DXGetErrorString( hr ), DXGetErrorDescription( hr ) ) ;

    FatalAppExit( 0, fullErr );
}

// EXAMPLE call:
    exitAppWithErr( hr, TEXT("Problem creating secondary sound buffer") ) ;