Overview
Group
Quick Info

Windows NT
Yes
Win95
Yes
Win32s
Yes
Import Library
gdi32.lib
Header File
wingdi.h
Unicode
No
Platform Notes
Windows 95: 16-bit coordinates only

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

RECT

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