Coerce lower bound for deselecting items.

We can't deselect -1.
6 years ago · f79f910c4d
1 changed files with 1 additions and 1 deletions
--- a/src/Avalonia.Controls/Selection/SelectionModel.cs
+++ b/src/Avalonia.Controls/Selection/SelectionModel.cs
@ -242,7 +242,7 @@ namespace Avalonia.Controls.Selection
        {
            using var update = BatchUpdate();
            var o = update.Operation;
-            var range = new IndexRange(start, end);
+            var range = new IndexRange(Math.Max(0, start), end);
            if (RangesEnabled)
            {