Smaller doc fixes.

This commit is contained in:
Thomas Heller 2008-06-11 18:40:51 +00:00
parent 2e9675adf8
commit 35b9020246
1 changed files with 16 additions and 19 deletions

View File

@ -1706,16 +1706,14 @@ the windows header file is this::
LPCSTR lpCaption,
UINT uType);
Here is the wrapping with ``ctypes``:
Here is the wrapping with ``ctypes``::
::
>>> from ctypes import c_int, WINFUNCTYPE, windll
>>> from ctypes.wintypes import HWND, LPCSTR, UINT
>>> prototype = WINFUNCTYPE(c_int, HWND, LPCSTR, LPCSTR, UINT)
>>> paramflags = (1, "hwnd", 0), (1, "text", "Hi"), (1, "caption", None), (1, "flags", 0)
>>> MessageBox = prototype(("MessageBoxA", windll.user32), paramflags)
>>>
>>> from ctypes import c_int, WINFUNCTYPE, windll
>>> from ctypes.wintypes import HWND, LPCSTR, UINT
>>> prototype = WINFUNCTYPE(c_int, HWND, LPCSTR, LPCSTR, UINT)
>>> paramflags = (1, "hwnd", 0), (1, "text", "Hi"), (1, "caption", None), (1, "flags", 0)
>>> MessageBox = prototype(("MessageBoxA", windll.user32), paramflags)
>>>
The MessageBox foreign function can now be called in these ways::
@ -1733,16 +1731,14 @@ function retrieves the dimensions of a specified window by copying them into
HWND hWnd,
LPRECT lpRect);
Here is the wrapping with ``ctypes``:
Here is the wrapping with ``ctypes``::
::
>>> from ctypes import POINTER, WINFUNCTYPE, windll, WinError
>>> from ctypes.wintypes import BOOL, HWND, RECT
>>> prototype = WINFUNCTYPE(BOOL, HWND, POINTER(RECT))
>>> paramflags = (1, "hwnd"), (2, "lprect")
>>> GetWindowRect = prototype(("GetWindowRect", windll.user32), paramflags)
>>>
>>> from ctypes import POINTER, WINFUNCTYPE, windll, WinError
>>> from ctypes.wintypes import BOOL, HWND, RECT
>>> prototype = WINFUNCTYPE(BOOL, HWND, POINTER(RECT))
>>> paramflags = (1, "hwnd"), (2, "lprect")
>>> GetWindowRect = prototype(("GetWindowRect", windll.user32), paramflags)
>>>
Functions with output parameters will automatically return the output parameter
value if there is a single one, or a tuple containing the output parameter
@ -1758,6 +1754,7 @@ do the error checking, and raises an exception when the api call failed::
... if not result:
... raise WinError()
... return args
...
>>> GetWindowRect.errcheck = errcheck
>>>
@ -1772,7 +1769,7 @@ instead, the normal processing will no longer take place::
... raise WinError()
... rc = args[1]
... return rc.left, rc.top, rc.bottom, rc.right
>>>
...
>>> GetWindowRect.errcheck = errcheck
>>>