just check newvalue isnt tooltip.

6 years ago · 03a1eae221
1 changed files with 1 additions and 1 deletions
--- a/src/Avalonia.Controls/ToolTipService.cs
+++ b/src/Avalonia.Controls/ToolTipService.cs
@ -36,7 +36,7 @@ namespace Avalonia.Controls
                control.PointerLeave += ControlPointerLeave;
            }

-            if (e.NewValue != e.OldValue && ToolTip.GetIsOpen(control))
+            if (ToolTip.GetIsOpen(control) && e.NewValue != e.OldValue && !(e.NewValue is ToolTip))
            {
                var tip = control.GetValue(ToolTip.ToolTipProperty);