#1798 Fix binding checkbox with three state.

8 years ago · c7d565fd0c
1 changed files with 1 additions and 1 deletions
--- a/src/Avalonia.Controls/Primitives/ToggleButton.cs
+++ b/src/Avalonia.Controls/Primitives/ToggleButton.cs
@ -14,7 +14,7 @@ namespace Avalonia.Controls.Primitives
                nameof(IsChecked),
                o => o.IsChecked,
                (o, v) => o.IsChecked = v,
-                unsetValue: false,
+                unsetValue: null,
                defaultBindingMode: BindingMode.TwoWay);

        public static readonly StyledProperty<bool> IsThreeStateProperty =