and the part that I do not get:
- (void)invalidateGraphic:(SKTGraphic *)graphic {
NSArray *windowControllers = [self windowControllers];
[windowControllers makeObjectsPerformSelector:@selector
(invalidateGraphic:) withObject:graphic];}
I **think** I see what each line is doing, but, fail to grasp the
overall essence of the call.
Thanks in advance.
Despite the fact that this is the latest version of Xcode, somehow the
old examples were not replaced. This call, thus, I believe is from
the **old** version of sketch.
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