GetClipBox
The GetClipBox
function retrieves the dimensions of the tightest bounding rectangle that can
be drawn around the current visible area on the device. The visible area is
defined by the current clipping region or clip path, as well as any overlapping
windows.
int GetClipBox(
|
HDC hdc, |
// handle of the
device context |
|
LPRECT lprc |
// address of
structure with rectangle |
|
); |
|
Parameters
hdc
Identifies
the device context.
lprc
Points to a RECT structure that is to receive
the rectangle dimensions.
Return Values
If the
function succeeds, the return value specifies the clipping box s complexity and
can be any one of the following values:
|
Value |
Meaning |
|
NULLREGION |
Region is
empty. |
|
SIMPLEREGION |
Region is a
single rectangle. |
|
COMPLEXREGION |
Region is
more than one rectangle. |
|
ERROR |
An error
occurred. |
GetClipBox returns logical coordinates based on the given device
context.
See Also