diff options
Diffstat (limited to 'Xamarin.Forms.Platform.UAP/FormsCommandBar.cs')
| -rw-r--r-- | Xamarin.Forms.Platform.UAP/FormsCommandBar.cs | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/Xamarin.Forms.Platform.UAP/FormsCommandBar.cs b/Xamarin.Forms.Platform.UAP/FormsCommandBar.cs index 2ca665af..21e9ca16 100644 --- a/Xamarin.Forms.Platform.UAP/FormsCommandBar.cs +++ b/Xamarin.Forms.Platform.UAP/FormsCommandBar.cs @@ -6,32 +6,23 @@ namespace Xamarin.Forms.Platform.UWP { public class FormsCommandBar : CommandBar { - Windows.UI.Xaml.Controls.Button _moreButton; + // TODO Once 10.0.14393.0 is available, enable dynamic overflow: https://msdn.microsoft.com/en-us/library/windows/apps/windows.ui.xaml.controls.commandbar.isdynamicoverflowenabled.aspx public FormsCommandBar() { PrimaryCommands.VectorChanged += OnCommandsChanged; SecondaryCommands.VectorChanged += OnCommandsChanged; - } - - protected override void OnApplyTemplate() - { - base.OnApplyTemplate(); - _moreButton = GetTemplateChild("MoreButton") as Windows.UI.Xaml.Controls.Button; - UpdateMore(); + UpdateVisibility(); } void OnCommandsChanged(IObservableVector<ICommandBarElement> sender, IVectorChangedEventArgs args) { - UpdateMore(); + UpdateVisibility(); } - void UpdateMore() + void UpdateVisibility() { - if (_moreButton == null) - return; - - _moreButton.Visibility = PrimaryCommands.Count > 0 || SecondaryCommands.Count > 0 ? Visibility.Visible : Visibility.Collapsed; + Visibility = PrimaryCommands.Count + SecondaryCommands.Count > 0 ? Visibility.Visible : Visibility.Collapsed; } } }
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