| 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 default message processing 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 the windows. |
| HTREDUCE |
In a Minimize box. |
| 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 box. |