h6. [[WindowManager]] h6(. » [[WindowManager Messages|Messages]] h6((. » [[Message Codes|Message Codes]] h6(((. » Message_PlugIn_Busy h2. Message_PlugIn_Busy h5. (Code &4D550) |_\2<^. Message Block| |>^{width:4em}. +20 |<^. "Flags":#flags | | |>^. +24 |<^. PlugIn instance handle | |>^. +28 |<^. Browser instance handle (copied from [[Message_PlugIn_Open]]) | |>^. +32 |<^. "State":#state | h4(#flags). Flags |_<^{width:4em}. Value|_<^. Meaning | |/2<^. 0 |<^. Set; PlugIn is busy | |<^. Clear; PlugIn is *not* busy | |/2<^. 1 |<^. Set; state at R1+32 has some meaning | |<^. Clear; ignore word at R1+32 | |<^. 2 - 31 |<^. Reserved (must be zero) | h4(#state). State |_<^{width:4em}. Value|_<^. Meaning | |<^. 0 |<^. Stop | |<^. 1 |<^. Play | |<^. 2 |<^. Pause | |<^. 3 |<^. Fast Forward | |<^. 4 |<^. Rewind | |<^. 5 |<^. Record | h4. Use This message is used for requesting that the parent display some indication of business (e.g. spinning logo, etc.). h4. Notes If the plugin has set the busy bit in its [[Message_PlugIn_Opening]] message then it should send this message with bit 0 clear when it has finished its loading. This is also used to notify the parent of any state change by the plugin in case it needs to update any user interface. h4. See also * [[Message Codes]] * [[Message_PlugIn_Opening]] * [[PlugIn Protocol Technical Details]]