the most useful windows datatypes uchar ctypes cuchar in the windows header files these are structures wparam is defined as uintptr unsigned type lparam is defined as longptr signed type handle types some important structure definitions pointer types the most useful windows datatypes uchar ctypes c_uchar in the windows header files these are structures wparam is defined as uint_ptr unsigned type lparam is defined as long_ptr signed type handle types in the header files void some important structure definitions pointer types
import ctypes

BYTE = ctypes.c_ubyte
WORD = ctypes.c_ushort
DWORD = ctypes.c_ulong


CHAR = ctypes.c_char
WCHAR = ctypes.c_wchar
UINT = ctypes.c_uint
INT = ctypes.c_int

DOUBLE = ctypes.c_double
FLOAT = ctypes.c_float

BOOLEAN = BYTE
BOOL = ctypes.c_long

class VARIANT_BOOL(ctypes._SimpleCData):
    _type_ = "v"
    def __repr__(self):
        return "%s(%r)" % (self.__class__.__name__, self.value)

ULONG = ctypes.c_ulong
LONG = ctypes.c_long

USHORT = ctypes.c_ushort
SHORT = ctypes.c_short


_LARGE_INTEGER = LARGE_INTEGER = ctypes.c_longlong
_ULARGE_INTEGER = ULARGE_INTEGER = ctypes.c_ulonglong

LPCOLESTR = LPOLESTR = OLESTR = ctypes.c_wchar_p
LPCWSTR = LPWSTR = ctypes.c_wchar_p
LPCSTR = LPSTR = ctypes.c_char_p
LPCVOID = LPVOID = ctypes.c_void_p



if ctypes.sizeof(ctypes.c_long) == ctypes.sizeof(ctypes.c_void_p):
    WPARAM = ctypes.c_ulong
    LPARAM = ctypes.c_long
elif ctypes.sizeof(ctypes.c_longlong) == ctypes.sizeof(ctypes.c_void_p):
    WPARAM = ctypes.c_ulonglong
    LPARAM = ctypes.c_longlong

ATOM = WORD
LANGID = WORD

COLORREF = DWORD
LGRPID = DWORD
LCTYPE = DWORD

LCID = DWORD



HANDLE = ctypes.c_void_p 

HACCEL = HANDLE
HBITMAP = HANDLE
HBRUSH = HANDLE
HCOLORSPACE = HANDLE
HDC = HANDLE
HDESK = HANDLE
HDWP = HANDLE
HENHMETAFILE = HANDLE
HFONT = HANDLE
HGDIOBJ = HANDLE
HGLOBAL = HANDLE
HHOOK = HANDLE
HICON = HANDLE
HINSTANCE = HANDLE
HKEY = HANDLE
HKL = HANDLE
HLOCAL = HANDLE
HMENU = HANDLE
HMETAFILE = HANDLE
HMODULE = HANDLE
HMONITOR = HANDLE
HPALETTE = HANDLE
HPEN = HANDLE
HRGN = HANDLE
HRSRC = HANDLE
HSTR = HANDLE
HTASK = HANDLE
HWINSTA = HANDLE
HWND = HANDLE
SC_HANDLE = HANDLE
SERVICE_STATUS_HANDLE = HANDLE




class RECT(ctypes.Structure):
    _fields_ = [("left", LONG),
                ("top", LONG),
                ("right", LONG),
                ("bottom", LONG)]
tagRECT = _RECTL = RECTL = RECT

class _SMALL_RECT(ctypes.Structure):
    _fields_ = [('Left', SHORT),
                ('Top', SHORT),
                ('Right', SHORT),
                ('Bottom', SHORT)]
SMALL_RECT = _SMALL_RECT

class _COORD(ctypes.Structure):
    _fields_ = [('X', SHORT),
                ('Y', SHORT)]

class POINT(ctypes.Structure):
    _fields_ = [("x", LONG),
                ("y", LONG)]
tagPOINT = _POINTL = POINTL = POINT

class SIZE(ctypes.Structure):
    _fields_ = [("cx", LONG),
                ("cy", LONG)]
tagSIZE = SIZEL = SIZE

def RGB(red, green, blue):
    return red + (green << 8) + (blue << 16)

class FILETIME(ctypes.Structure):
    _fields_ = [("dwLowDateTime", DWORD),
                ("dwHighDateTime", DWORD)]
_FILETIME = FILETIME

class MSG(ctypes.Structure):
    _fields_ = [("hWnd", HWND),
                ("message", UINT),
                ("wParam", WPARAM),
                ("lParam", LPARAM),
                ("time", DWORD),
                ("pt", POINT)]
tagMSG = MSG
MAX_PATH = 260

class WIN32_FIND_DATAA(ctypes.Structure):
    _fields_ = [("dwFileAttributes", DWORD),
                ("ftCreationTime", FILETIME),
                ("ftLastAccessTime", FILETIME),
                ("ftLastWriteTime", FILETIME),
                ("nFileSizeHigh", DWORD),
                ("nFileSizeLow", DWORD),
                ("dwReserved0", DWORD),
                ("dwReserved1", DWORD),
                ("cFileName", CHAR * MAX_PATH),
                ("cAlternateFileName", CHAR * 14)]

class WIN32_FIND_DATAW(ctypes.Structure):
    _fields_ = [("dwFileAttributes", DWORD),
                ("ftCreationTime", FILETIME),
                ("ftLastAccessTime", FILETIME),
                ("ftLastWriteTime", FILETIME),
                ("nFileSizeHigh", DWORD),
                ("nFileSizeLow", DWORD),
                ("dwReserved0", DWORD),
                ("dwReserved1", DWORD),
                ("cFileName", WCHAR * MAX_PATH),
                ("cAlternateFileName", WCHAR * 14)]




LPBOOL = PBOOL = ctypes.POINTER(BOOL)
PBOOLEAN = ctypes.POINTER(BOOLEAN)
LPBYTE = PBYTE = ctypes.POINTER(BYTE)
PCHAR = ctypes.POINTER(CHAR)
LPCOLORREF = ctypes.POINTER(COLORREF)
LPDWORD = PDWORD = ctypes.POINTER(DWORD)
LPFILETIME = PFILETIME = ctypes.POINTER(FILETIME)
PFLOAT = ctypes.POINTER(FLOAT)
LPHANDLE = PHANDLE = ctypes.POINTER(HANDLE)
PHKEY = ctypes.POINTER(HKEY)
LPHKL = ctypes.POINTER(HKL)
LPINT = PINT = ctypes.POINTER(INT)
PLARGE_INTEGER = ctypes.POINTER(LARGE_INTEGER)
PLCID = ctypes.POINTER(LCID)
LPLONG = PLONG = ctypes.POINTER(LONG)
LPMSG = PMSG = ctypes.POINTER(MSG)
LPPOINT = PPOINT = ctypes.POINTER(POINT)
PPOINTL = ctypes.POINTER(POINTL)
LPRECT = PRECT = ctypes.POINTER(RECT)
LPRECTL = PRECTL = ctypes.POINTER(RECTL)
LPSC_HANDLE = ctypes.POINTER(SC_HANDLE)
PSHORT = ctypes.POINTER(SHORT)
LPSIZE = PSIZE = ctypes.POINTER(SIZE)
LPSIZEL = PSIZEL = ctypes.POINTER(SIZEL)
PSMALL_RECT = ctypes.POINTER(SMALL_RECT)
LPUINT = PUINT = ctypes.POINTER(UINT)
PULARGE_INTEGER = ctypes.POINTER(ULARGE_INTEGER)
PULONG = ctypes.POINTER(ULONG)
PUSHORT = ctypes.POINTER(USHORT)
PWCHAR = ctypes.POINTER(WCHAR)
LPWIN32_FIND_DATAA = PWIN32_FIND_DATAA = ctypes.POINTER(WIN32_FIND_DATAA)
LPWIN32_FIND_DATAW = PWIN32_FIND_DATAW = ctypes.POINTER(WIN32_FIND_DATAW)
LPWORD = PWORD = ctypes.POINTER(WORD)