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NAME

SGM_Undo: Undo the last change.

SYNOPSIS

ULONG result = IDoMethodA(APTR obj, struct spGeneral* msg);

FUNCTION

This method undoes the last change to the sketchboard.

INPUTS

obj: sketchboard object pointer
msg: pointer to fully initialized struct spGeneral with the MethodID set to SGM_Undo (see <gadgets/sketchboard.h>)

RESULT

Returns 1 if changes were rendered or 0 if not.

SEE ALSO

SGM_Redo, intuition.library/DoGadgetMethodA()