COleControl::ParentToClient

Статья
10/16/2008

Translates the coordinates of pPoint into client coordinates.

virtual UINT ParentToClient(
   LPCRECT lprcBounds,
      LPPOINT pPoint,
      BOOL bHitTest = FALSE 
) const;

Параметры

lprcBounds
Pointer to the bounds of the OLE control within the container. Not the client area but the area of the entire control including borders and scroll bars.
pPoint
Pointer to the parent (container) point to be translated into the coordinates of the client area of the control.
bHitTest
Specifies whether or not hit testing is to be done on the point.

Возвращаемое значение

If bHitTest is FALSE, returns HTNOWHERE. If bHitTest is TRUE, returns the location in which the parent (container) point landed in the client area of the OLE control and is one of the following mouse hit-test values:

HTBORDER In the border of a window that does not have a sizing border.
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 title-bar area.
HTCLIENT In a client area.
HTERROR On the screen background or on a dividing line between windows (same as HTNOWHERE except that the DefWndProc Windows 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.
HTMAXBUTTON In a Maximize button.
HTMENU In a menu area.
HTMINBUTTON In a Minimize button.
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 In a size box (same as HTGROWBOX).
HTSYSMENU In a Control menu or in a Close button in a child window.
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.

Заметки

On input pPoint is relative to the origin of the parent (upper left corner of the container). On output pPoint is relative to the origin of the client area of the OLE control (upper left corner of the client area of the control).