45 lines
1.0 KiB
C#
45 lines
1.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Windows.Input;
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using System.Diagnostics;
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using System.Text;
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namespace TradeBlotter.Command
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{
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public class RelayCommand : ICommand
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{
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readonly Action<object> execute;
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readonly Predicate<object> canExecute;
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public RelayCommand(Action<object> execute)
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: this(execute, null)
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{
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}
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public RelayCommand(Action<object> execute, Predicate<object> canExecute)
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{
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if (execute == null) throw new ArgumentNullException("execute");
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this.execute = execute;
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this.canExecute = canExecute;
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}
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[DebuggerStepThrough]
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public bool CanExecute(object parameter)
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{
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return canExecute == null ? true : canExecute(parameter);
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}
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public event EventHandler CanExecuteChanged
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{
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add
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{
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CommandManager.RequerySuggested += value;
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}
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remove
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{
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CommandManager.RequerySuggested -= value;
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}
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}
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public void Execute(object parameter)
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{
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execute(parameter);
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}
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}
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}
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