Returns the paint operation in force on stream. A paint-operation specifies how new drawing on a stream will blend with the color already on the screen. The predefined paint-operations are:
Note: incompatible change in release 6.0: in releases prior
to 6.0, when a
was passed to this operator, the operator was actually applied to the
child (the result of applying frame-child to the
frame-with-single-child instance). In release 6.0, this redirection no
longer occurs. If you intend this operator to apply to the
frame-child, pass that to this operator rather than the parent. This
is a non-backward-compatible-change. See the release notes for more
Common Graphics and IDE documentation is described in About Common Graphics and IDE documentation in cgide.htm.
The documentation is described in introduction.htm and the index is in index.htm.
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