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  • WM_NCHITTEST message

    最近hook滚动条,用到了很多这方面小知道,总结下:

    HTBORDER:

    In the border of a window that does not have a sizing border.

    边界上!that does not have a sizing border好像没什么关系,反正普通的框鼠标停在边上就有这个事件(自测试)

    HTBOTTOM

    In the lower-horizontal border of a resizable window (the user can click the mouse to resize the window vertically).

    可调窗体大小的下边界

    HTBOTTOMLEFT

    In the lower-left corner of a border of a resizable window (the user can click the mouse to resize the window diagonally).

    可调窗体大小的左下角

    HTBOTTOMRIGHT

    In the lower-right corner of a border of a resizable window (the user can click the mouse to resize the window diagonally).

    可调窗体大小的右下角

    HTLEFT

    In the left border of a resizable window (the user can click the mouse to resize the window horizontally).

    可调窗体大小的左边界

    HTRIGHT

    In the right border of a resizable window (the user can click the mouse to resize the window horizontally).

    可调窗体大小的右边界

    HTTOP

    In the upper-horizontal border of a window.

    窗体的上边界

    HTTOPLEFT

    In the upper-left corner of a window border.

    窗体的左上角

    HTTOPRIGHT

    窗体的右上角

    HTCAPTION

    In a title bar.

    标题栏,用来模拟拖动区

    HTCLIENT

    In a client area.

    客户区

    HTCLOSE

    In a Close button

    关闭按钮上

    HTERROR

    On the screen background or on a dividing line between windows (same as HTNOWHERE, except that the DefWindowProc function produces a system beep to indicate an error).

    在屏幕的后面或在窗体之间的线上(相当于HTNOWHERE,除了DefWindowProc函数产生的”嘟嘟”提示)

    HTGROWBOX

    In a size box (same as HTSIZE).

    不懂了???????????????????????

    HTHELP

    In a Help button.

    帮助按钮上

    HTHSCROLL

    In a horizontal scroll bar.

    水平滚动条上

    HTMENU

    In a menu.

    菜单上

    HTMAXBUTTON

    In a Maximize button.

    最大化按钮上

    HTMINBUTTON

    In a Minimize button.

    最小化按钮上

    HTNOWHERE

    On the screen background or on a dividing line between windows

    在屏幕的后面或在窗体之间的线上,测试应该就是在窗口边界处有这个事件

    HTREDUCE

    In a Minimize button.

    最小化的按钮,就是HTMINBUTTON

    HTSIZE

    In a size box (same as HTGROWBOX).

    不懂了???????????????????????

    HTSYSMENU

    In a window menu or in a Close button in a child window.

    在一个系统菜单上,或在一个子窗体的一个关闭按钮上

    HTTRANSPARENT

    In a window currently covered by another window in the same thread (the message will be sent to underlying windows in the same thread until one of them returns a code that is not HTTRANSPARENT).

    在同一线程的两个窗体,一个窗体被另一个窗体覆盖着(消息会传递到下面的窗体,直到其中的一个窗体离开,否则就发送 HTTRANSPARENT消息)

    HTVSCROLL

    In the vertical scroll bar.

    在垂直滚动条上

    HTZOOM ==HTMAXBUTTON


     



     

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  • 原文地址:https://www.cnblogs.com/hgy413/p/3693588.html
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