commander/Platforms/Windows/CustomButtonHandler.cs

#if WINDOWS
using Microsoft.Maui.Handlers;
using Microsoft.UI.Xaml;
using Microsoft.UI.Xaml.Controls;
using Microsoft.UI.Xaml.Markup;

namespace CommanderApp.Platforms.Windows.Handlers
{
    public partial class CustomButtonHandler : ButtonHandler
    {
        protected override void ConnectHandler(Microsoft.UI.Xaml.Controls.Button platformView)
        {
            base.ConnectHandler(platformView);
            ConfigureButton(platformView);
        }

        private static void ConfigureButton(Microsoft.UI.Xaml.Controls.Button button)
        {
            // Полностью отключаем все системные визуалы
            button.UseSystemFocusVisuals = false;

            var transparentBrush = new Microsoft.UI.Xaml.Media.SolidColorBrush(Microsoft.UI.Colors.Transparent);

            button.FocusVisualPrimaryBrush = transparentBrush;
            button.FocusVisualSecondaryBrush = transparentBrush;
            button.FocusVisualPrimaryThickness = new Microsoft.UI.Xaml.Thickness(0);
            button.FocusVisualSecondaryThickness = new Microsoft.UI.Xaml.Thickness(0);

            button.AllowFocusOnInteraction = true;
            button.IsTabStop = true;

            // Отключаем переходы
            button.Transitions = null;

            // Создаем минимальный Template
            button.Template = CreateMinimalTemplate();
        }

        private static Microsoft.UI.Xaml.Controls.ControlTemplate CreateMinimalTemplate()
        {
            // Минимальный ControlTemplate без VisualStateManager
            var xaml = @"
<ControlTemplate xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' 
                 xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
                 TargetType='Button'>
    <Grid x:Name='RootGrid' 
          Background='{TemplateBinding Background}'
          BorderBrush='{TemplateBinding BorderBrush}'
          BorderThickness='{TemplateBinding BorderThickness}'>
        <ContentPresenter
            x:Name='ContentPresenter'
            Content='{TemplateBinding Content}'
            ContentTemplate='{TemplateBinding ContentTemplate}'
            Margin='{TemplateBinding Padding}'
            HorizontalAlignment='{TemplateBinding HorizontalContentAlignment}'
            VerticalAlignment='{TemplateBinding VerticalContentAlignment}'/>
    </Grid>
</ControlTemplate>";

            return (Microsoft.UI.Xaml.Controls.ControlTemplate)XamlReader.Load(xaml);
        }
    }
}
#endif