зеркало из https://github.com/DeGsoft/maui-linux.git
46 строки
1.4 KiB
C#
46 строки
1.4 KiB
C#
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using System;
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using System.Runtime.CompilerServices;
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using Windows.Foundation;
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using Windows.UI;
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using Windows.UI.Xaml;
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#if WINDOWS_UWP
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namespace Xamarin.Forms.Platform.UWP
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#else
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namespace Xamarin.Forms.Platform.WinRT
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#endif
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{
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internal static class Extensions
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{
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public static ConfiguredTaskAwaitable<T> DontSync<T>(this IAsyncOperation<T> self)
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{
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return self.AsTask().ConfigureAwait(false);
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}
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public static ConfiguredTaskAwaitable DontSync(this IAsyncAction self)
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{
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return self.AsTask().ConfigureAwait(false);
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}
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public static Windows.UI.Color GetIdealForegroundForBackgroundColor(this Windows.UI.Color backgroundColor)
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{
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var nThreshold = 105;
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int bgLuminance = Convert.ToInt32(backgroundColor.R * 0.2 + backgroundColor.G * 0.7 + backgroundColor.B * 0.1);
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Windows.UI.Color foregroundColor = 255 - bgLuminance < nThreshold ? Colors.Black : Colors.White;
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return foregroundColor;
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}
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public static void SetBinding(this FrameworkElement self, DependencyProperty property, string path)
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{
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self.SetBinding(property, new Windows.UI.Xaml.Data.Binding { Path = new PropertyPath(path) });
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}
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public static void SetBinding(this FrameworkElement self, DependencyProperty property, string path, Windows.UI.Xaml.Data.IValueConverter converter)
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{
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self.SetBinding(property, new Windows.UI.Xaml.Data.Binding { Path = new PropertyPath(path), Converter = converter });
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}
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}
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}
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