RectVisible

The RectVisible function determines whether any part of the specified rectangle lies within the clipping region of a device context.

BOOL RectVisible(
  HDC hdc,           // handle of the device context
  CONST RECT *lprc   // address of rectangle structure
);
 

Parameters

hdc

Handle to the device context.

lprc

Pointer to a RECT structure that contains the logical coordinates of the specified rectangle.

Return Values

If some portion of the specified rectangle lies within the clipping region, the return value is nonzero.

If no portion of the specified rectangle lies within the clipping region, the return value is zero.

QuickInfo

  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Requires version 2.0 or later.
  Header: Declared in wingdi.h.
  Import Library: Use gdi32.lib.

See Also

Clipping Overview, Clipping Functions, CreateRectRgn, PtVisible, RECT, SelectClipRgn