private void RefreshRevisions()
{
if (_dashboard == null || !_dashboard.Visible)
{
var revisions = RevisionGrid.GetSelectedRevisions();
if (revisions.Count != 0)
{
_oldRevision = revisions[0].Guid;
_oldDiffItem = DiffFiles.SelectedItem;
}
else
{
_oldRevision = null;
_oldDiffItem = null;
}
RevisionGrid.ForceRefreshRevisions();
InternalInitialize(true);
}
}