为了方便查看，所有源码放在一起，如下：

#windows应用程序
from ctypes import *
from ctypes.wintypes import *


WNDPROCTYPE = WINFUNCTYPE(c_int, HWND, c_uint, WPARAM, LPARAM)

WS_EX_APPWINDOW = 0x40000
WS_OVERLAPPEDWINDOW = 0xcf0000
WS_CAPTION = 0xc00000
SW_SHOWNORMAL = 1
SW_SHOW = 5
CS_HREDRAW = 2
CS_VREDRAW = 1
CW_USEDEFAULT = 0x80000000
WM_DESTROY = 2
WHITE_BRUSH = 0

#窗口类的名称
wclassName = u‘ShenzhenCai‘
wname = u‘Hello World‘ 

#定义窗口类结构
class WNDCLASSEX(Structure):
    _fields_ = [("cbSize", c_uint),
                ("style", c_uint),
                ("lpfnWndProc", WNDPROCTYPE),
                ("cbClsExtra", c_int),
                ("cbWndExtra", c_int),
                ("hInstance", HANDLE),
                ("hIcon", HANDLE),
                ("hCursor", HANDLE),
                ("hBrush", HANDLE),
                ("lpszMenuName", LPCWSTR),
                ("lpszClassName", LPCWSTR),
                ("hIconSm", HANDLE)]
                
#窗口消息处理回调函数
def PyWndProc(hWnd, Msg, wParam, lParam):
    if Msg == WM_DESTROY:
        windll.user32.PostQuitMessage(0)
    else:
        return windll.user32.DefWindowProcW(hWnd, Msg, wParam, lParam)
    return 0
    
#初始化主窗口  
def initwinclass(hInst, WndProc):     
    wndClass = WNDCLASSEX()
    wndClass.cbSize = sizeof(WNDCLASSEX)
    wndClass.style = CS_HREDRAW | CS_VREDRAW
    wndClass.lpfnWndProc = WndProc
    wndClass.cbClsExtra = 0
    wndClass.cbWndExtra = 0
    wndClass.hInstance = hInst
    wndClass.hIcon = 0
    wndClass.hCursor = 0
    wndClass.hBrush = windll.gdi32.GetStockObject(WHITE_BRUSH)
    wndClass.lpszMenuName = 0
    wndClass.lpszClassName = wclassName
    wndClass.hIconSm = 0
    
    return windll.user32.RegisterClassExW(byref(wndClass))        

#主函数入口    
def main():	
    hInst = windll.kernel32.GetModuleHandleW(None)
    WndProc = WNDPROCTYPE(PyWndProc) 
    if initwinclass(hInst, WndProc) <= 0:
        return False
    
    hWnd = windll.user32.CreateWindowExW(
        0, wclassName, wname,
        WS_OVERLAPPEDWINDOW | WS_CAPTION,
        CW_USEDEFAULT, CW_USEDEFAULT,
        800, 600, 0, 0, hInst, 0)
    
    if not hWnd:
        print(‘Failed to create window‘)
        exit(0)
        
    windll.user32.ShowWindow(hWnd, SW_SHOW)
    windll.user32.UpdateWindow(hWnd)
    
    msg = MSG()
    lpmsg = pointer(msg)
    print(‘Entering message loop‘)
    while windll.user32.GetMessageW(lpmsg, 0, 0, 0) != 0:
        windll.user32.TranslateMessage(lpmsg)
        windll.user32.DispatchMessageW(lpmsg)

    print(‘done.‘)


if __name__ == "__main__":
    print( "Win32 Application in python" )
    main()