from ctypes import c_int, POINTER from ctypes.wintypes import DWORD, WCHAR PDH_FUNCTION = c_int PDH_OK = 0x00000000 PDH_MORE_DATA = -2147481646#0x800007D2 DWORD_PTR = POINTER(DWORD) PWSTR = POINTER(WCHAR) PZZWSTR = POINTER(WCHAR) PDH_NOEXPANDCOUNTERS = 1 PDH_NOEXPANDINSTANCES = 2 PDH_REFRESHCOUNTERS = 4 PDH_FMT_LONG = 0x00000100 PDH_FMT_DOUBLE = 0x00000200 PDH_FMT_LARGE = 0x00000400 PDH_FMT_NOSCALE = 0x00001000 PDH_FMT_1000 = 0x00002000 PDH_FMT_NOCAP100 = 0x00008000