50 lines
1.3 KiB
C#
50 lines
1.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Input;
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namespace SicUI.Controls.Common
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{
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public class RelayCommand : ICommand
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{
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private readonly Func<Object, Boolean> canExecute;
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private readonly Action<Object> execute;
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public RelayCommand(Action<Object> execute) : this(execute, null)
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{
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}
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public RelayCommand(Action<Object> execute, Func<Object, Boolean> canExecute)
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{
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this.execute = execute ?? throw new ArgumentNullException("execute");
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this.canExecute = canExecute;
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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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if (canExecute != null)
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CommandManager.RequerySuggested += value;
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}
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remove
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{
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if (canExecute != null)
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CommandManager.RequerySuggested -= value;
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}
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}
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public Boolean 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 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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