PDK should be updated like this...

[shaohao]

Paul:
I think you should update pdk file "QCDModDefs.h" like this:

#ifndef QCDMODDEFS_H
#define QCDMODDEFS_H

#include <mmreg.h>
#include <windows.h>

#ifdef __cplusplus
#define PLUGIN_API extern "C" __declspec(dllexport)
#else
#define PLUGIN_API __declspec(dllexport)
#endif

..mmmH, mmreg.h should be included! 'cause WAVEFORMATEX struct is declared in it!