1 files changed, 3 insertions, 1 deletions
diff --git a/StarsEx/DataLoader.h b/StarsEx/DataLoader.h
index af8b3d5..92cdd11 100644
--- a/StarsEx/DataLoader.h
+++ b/StarsEx/DataLoader.h
@@ -27,6 +27,8 @@ class Video;
 class DataLoader
 {
 public:
+    using Group = DataSource::Group;
+
     static const char* TYPENAME() { return "DataLoader"; }
 
     enum { DATAFILE_OK, DATAFILE_INVALID, DATAFILE_NOTEXIST };
@@ -43,7 +45,7 @@ public:
     void        UseVideo(Video* v);
     void        EnableMedia(bool enable=true);
 
-    int         InsertDatafile(const char* name, int pos=-1);
+    int         InsertDatafile(const char* name, Group group=Group::DEFAULT, int pos=-1);
     void        ClearSources();
 
     int         EnableDatafile(const char* name);