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This 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 as well as any overlapping windows.
[in] Handle to the device context.
[out] Long pointer to a
RECT structure that is to receive the rectangle dimensions.
The return value specifies the clipping box's complexity.
NULLREGION indicates that the region is empty.
SIMPLEREGION indicates that the region is a single rectangle.
COMPLEXREGION indicates that the region is more than one rectangle.
ERROR indicates that an error occurred.
To get extended error information, call
GetClipBox returns logical coordinates based on the specified device context.
Header windows.h Library coredll.lib Windows Embedded CE Windows CE 1.0 and later Windows Mobile Windows Mobile Version 5.0 and later