maui-linux/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue5046.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="Xamarin.Forms.Controls.Issues.Issue5046">
    <ContentPage.Resources>
        <Style TargetType="Button">
            <!--<Setter Property="CornerRadius" Value="0"></Setter>-->
            <Setter Property="BackgroundColor" Value="Blue"></Setter>
            <Setter Property="TextColor" Value="White"></Setter>
        </Style>

        <Style x:Key="ButtonStyle" TargetType="Button">
            <Setter Property="CornerRadius" Value="0"></Setter>
            <Setter Property="BackgroundColor" Value="Blue"></Setter>
            <Setter Property="TextColor" Value="Yellow"></Setter>
        </Style>
    </ContentPage.Resources>

    <StackLayout Padding="10">
        <Label Text="Button CornerRadius doesn't work in explicit style when implicit style exists" />
        <Label Text="This button should have a CornerRadius of '0'" />

        <Button Text="Look at me!" Style="{StaticResource ButtonStyle}" Clicked="Button_Clicked" />

    </StackLayout>
</ContentPage>