closes the port . concode_field_sep MidiDevice mDevice concode_elem_sep long mNativeReceiverPointer concode_elem_sep MidiOutputPort mPort concode_elem_sep int mIndex concode_field_sep void nativeOnData concode_elem_sep boolean open
void function ( ) { if ( mPort == null ) { return ; } try { mPort . close ( ) ; } catch ( IOException loc0 ) { } mNativeReceiverPointer = 0 ; mPort = null ; }