afx_msg UINT OnNcHitTest( CPoint point );
point
Contains the x- and y-coordinates of the cursor. These coordinates are always screen coordinates.
Called for the CWnd that contains the cursor (or the CWnd that used the SetCapture member function to capture the mouse input) every time the mouse is moved.
This message-handler member function calls the Default member function. Override this member function in your derived class to handle the WM_NCHITTEST message.
One of the following values:
| Value | Meaning |
| HTBOTTOM | In the lower horizontal border of the window. |
| HTBOTTOMLEFT | In the lower-left corner of the window border. |
| HTBOTTOMRIGHT | In the lower-right corner of the window border. |
| HTCAPTION | In a caption area. |
| HTCLIENT | In a client area. |
| HTERROR | Same as HTNOWHERE except that the DefWindowProc member function produces a system beep to indicate an error. |
| HTGROWBOX | In a size box. |
| HTHSCROLL | In the horizontal scroll bar. |
| HTLEFT | In the left border of the window. |
| HTMENU | In a menu area. |
| HTNOWHERE | On the screen background or on a dividing line between windows. |
| HTREDUCE | In a Minimize button. |
| HTRIGHT | In the right border of the window. |
| HTSIZE | Same as HTGROWBOX. |
| HTSYSMENU | In a Control-menu box (close box in child windows). |
| HTTOP | In the upper horizontal border of the window. |
| HTTOPLEFT | In the upper-left corner of the window border. |
| HTTOPRIGHT | In the upper-right corner of the window border. |
| HTTRANSPARENT | In a window currently covered by another window. |
| HTVSCROLL | In the vertical scroll bar. |
| HTZOOM | In a Maximize button. |
CWnd::Default, CWnd::GetCapture, WM_NCHITTEST