Merge pull request #1882 from PathogenDavid/issue-1875

Fix `ObjectTextVisualizer` allowing a buffer size of 0
bonsai-rx · Jul 9, 2024 · 553b40e · 553b40e
2 parents bff1088 + c764f0f
commit 553b40e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Bonsai.Design/ObjectTextVisualizer.cs b/Bonsai.Design/ObjectTextVisualizer.cs
@@ -23,7 +23,7 @@ public class ObjectTextVisualizer : BufferedVisualizer
         RichTextBox textBox;
         UserControl textPanel;
         Queue<string> buffer;
-        int bufferSize;
+        int bufferSize = 1;
 
         /// <inheritdoc/>
         protected override int TargetInterval => 1000 / 30;
@@ -164,7 +164,7 @@ public override void Load(IServiceProvider provider)
         void textPanel_Paint(object sender, PaintEventArgs e)
         {
             var lineHeight = AutoScaleHeight * e.Graphics.DpiY / DefaultDpi;
-            bufferSize = (int)((textBox.ClientSize.Height - 2) / lineHeight);
+            bufferSize = Math.Max(1, (int)((textBox.ClientSize.Height - 2) / lineHeight));
             var textSize = TextRenderer.MeasureText(textBox.Text, textBox.Font);
             if (textBox.ClientSize.Width < textSize.Width)
             {