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//---------------------------------------------------------------------------
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
//---------------------------------------------------------------------------
using System;
using System.ComponentModel;
using System.Runtime.CompilerServices;
using System.Windows.Markup;
namespace System.Windows.Input
{
class BuildInfo{
public const string WCP_VERSION="4.0.0.0";
public const string WCP_PUBLIC_KEY_TOKEN="31bf3856ad364e35";
}
///<summary>
/// An interface that allows an application author to define a method to be invoked.
///</summary>
[TypeForwardedFrom("PresentationCore, Version=" + BuildInfo.WCP_VERSION + ", Culture=neutral, PublicKeyToken=" + BuildInfo.WCP_PUBLIC_KEY_TOKEN)]
[TypeConverter("System.Windows.Input.CommandConverter, PresentationFramework, Version=" + BuildInfo.WCP_VERSION + ", Culture=neutral, PublicKeyToken=" + BuildInfo.WCP_PUBLIC_KEY_TOKEN + ", Custom=null")]
[ValueSerializer("System.Windows.Input.CommandValueSerializer, PresentationFramework, Version=" + BuildInfo.WCP_VERSION + ", Culture=neutral, PublicKeyToken=" + BuildInfo.WCP_PUBLIC_KEY_TOKEN + ", Custom=null")]
public interface ICommand
{
/// <summary>
/// Raised when the ability of the command to execute has changed.
/// </summary>
event EventHandler CanExecuteChanged;
/// <summary>
/// Returns whether the command can be executed.
/// </summary>
/// <param name="parameter">A parameter that may be used in executing the command. This parameter may be ignored by some implementations.</param>
/// <returns>true if the command can be executed with the given parameter and current state. false otherwise.</returns>
bool CanExecute(object parameter);
/// <summary>
/// Defines the method that should be executed when the command is executed.
/// </summary>
/// <param name="parameter">A parameter that may be used in executing the command. This parameter may be ignored by some implementations.</param>
void Execute(object parameter);
}
}
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