Subtract

Inside Macintosh: OpenDoc Class Reference /: Part 1 - Classes and Methods / ODShape

Subtract
The Subtract method modifies this shape by subtracting the specified shape from it.
ODShape Subtract (in ODShape diffShape);
diffShape
A reference to the shape to be subtracted from this shape.
return value
A reference to this shape after the subtraction operation.

DISCUSSION
After this method executes successfully, this shape is equivalent to its previous shape minus the specified shape.

EXCEPTIONS

kODErrNoShapeGeometry
The geometry mode of this shape is kODNeedsGeometry, but the other shape has no geometric representation.
kODErrOutOfMemory
There is not enough memory to subtract the shape.