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dotnet · Mar 16, 2021 · 9d9f224 · 9d9f224
1 parent 96bb44a
commit 9d9f224
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/Microsoft.Data.Analysis/IDataView.Extension.cs b/src/Microsoft.Data.Analysis/IDataView.Extension.cs
@@ -100,12 +100,12 @@ public static DataFrame ToDataFrame(this IDataView dataView, long maxRows, param
 
             using (DataViewRowCursor cursor = dataView.GetRowCursor(activeColumns))
             {
-                List<Delegate> activeColumnDelegates = new List<Delegate>();
+                Delegate[] activeColumnDelegates = new Delegate[activeColumns.Count];
                 int columnIndex = 0;
                 foreach (DataViewSchema.Column column in activeColumns)
                 {
                     Delegate valueGetter = columns[columnIndex].GetValueGetterUsingCursor(cursor, column);
-                    activeColumnDelegates.Add(valueGetter);
+                    activeColumnDelegates[columnIndex] = valueGetter;
                     columnIndex++;
                 }
                 while (cursor.MoveNext() && cursor.Position < maxRows)