| 术语 | windowfrompoint |
| 释义 | WindowFromPoint 语法： HWND WindowFromPoint( POINT Point ); WindowFromPoint函数 该WindowFromPoint函数检索的句柄窗口中包含指定点。 参数 点 [in]指定POINT结构，它定义了点进行检查。 返回值 返回值是一个窗口句柄包含点。如果没有窗口在给定的点存在，则返回值为NULL。如果点了一个静态文本控件，返回值是一个句柄在静态文本控件窗口。 备注 该WindowFromPoint函数不检索的句柄隐藏或禁用的窗口，即使在点窗口。应用程序应该使用一nonrestrictive搜索ChildWindowFromPoint功能。 例如 有关示例，请参阅“从运行大约文本对象模型对象表”界面。 功能信息 最低DLL版本 user32.dll 在Winuser.h中HeaderDeclared，头文件：winuser.h import libraryUser32.lib 最低操作系统Windows 95，Windows NT 3.1 UnicodeImplemented为Unicode版本。 参见 视窗概述，ChildWindowFromPoint，点，WindowFromDC ＝＝英文原文＝＝WindowFromPoint Function The WindowFromPoint function retrieves a handle to the window that contains the specified point. Syntax HWND WindowFromPoint( POINT Point ); Parameters Point [in] Specifies a POINT structure that defines the point to be checked. Return Value The return value is a handle to the window that contains the point. If no window exists at the given point, the return value is NULL. If the point is over a static text control, the return value is a handle to the window under the static text control. Remarks The WindowFromPoint function does not retrieve a handle to a hidden or disabled window, even if the point is within the window. An application should use the ChildWindowFromPoint function for a nonrestrictive search. Example For an example, see "Interface from Running Object Table" in About Text Object Model . Function Information Minimum DLL Versionuser32.dll HeaderDeclared in Winuser.h, include Windows.h Import libraryUser32.lib Minimum operating systemsWindows 95, Windows NT 3.1 UnicodeImplemented as Unicode version. See Also Windows Overview , ChildWindowFromPoint , POINT , WindowFromDC ＝＝原始网址＝＝http://msdn.microsoft.com/en-us/library/ms633558(VS.85).aspx\n |
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