A Boolean value that indicates whether the window’s flushing ability is disabled.
- macOS 10.0–10.14Deprecated
The value of this property is
YES when the window’s flushing ability has been disabled; otherwise,
Managing Window Buffers
Flushes the window’s offscreen buffer to the screen if the window is buffered and flushing is enabled.
Flushes the window’s offscreen buffer to the screen if flushing is enabled and if the last
flushWindow message had no effect because flushing was disabled.