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30 lines
1.2 KiB
C#
30 lines
1.2 KiB
C#
// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System.Windows.Input;
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namespace CommunityToolkit.Mvvm.Input;
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/// <summary>
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/// A generic interface representing a more specific version of <see cref="IRelayCommand"/>.
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/// </summary>
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/// <typeparam name="T">The type used as argument for the interface methods.</typeparam>
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public interface IRelayCommand<in T> : IRelayCommand
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{
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/// <summary>
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/// Provides a strongly-typed variant of <see cref="ICommand.CanExecute(object)"/>.
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/// </summary>
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/// <param name="parameter">The input parameter.</param>
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/// <returns>Whether or not the current command can be executed.</returns>
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/// <remarks>Use this overload to avoid boxing, if <typeparamref name="T"/> is a value type.</remarks>
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bool CanExecute(T? parameter);
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/// <summary>
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/// Provides a strongly-typed variant of <see cref="ICommand.Execute(object)"/>.
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/// </summary>
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/// <param name="parameter">The input parameter.</param>
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/// <remarks>Use this overload to avoid boxing, if <typeparamref name="T"/> is a value type.</remarks>
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void Execute(T? parameter);
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}
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