GitUI.RevisionGrid.DisposeRevisionGraphCommand C# (CSharp) Метод

        private void DisposeRevisionGraphCommand()
        {
            if (_revisionGraphCommand != null)
            {
                LatestRefs = _revisionGraphCommand.LatestRefs();
                //Dispose command, it is not needed anymore
                _revisionGraphCommand.Updated -= GitGetCommitsCommandUpdated;
                _revisionGraphCommand.Exited -= GitGetCommitsCommandExited;
                _revisionGraphCommand.Error -= _revisionGraphCommand_Error;

                _revisionGraphCommand.Dispose();
                _revisionGraphCommand = null;
            }
        }