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Shortcut
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icommand
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Description
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Code snippet for ICommand Members
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Language
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csharp
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Author
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Koen Hendriks
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Upload on
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24-4-2014 19:49:43
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Downloads
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2491
#region ICommand Members
public class DelegateCommand : ICommand
{
Func<object, bool> canExecute;
Action<object> executeAction;
public DelegateCommand(Action<object> executeAction)
: this(executeAction, null)
{
}
public DelegateCommand(Action<object> executeAction, Func<object, bool> canExecute)
{
if (executeAction == null)
{
throw new ArgumentNullException("executeAction");
}
this.executeAction = executeAction;
this.canExecute = canExecute;
}
public bool CanExecute(object parameter)
{
bool result = true;
Func<object, bool> canExecuteHandler = this.canExecute;
if (canExecuteHandler != null)
{
result = canExecuteHandler(parameter);
}
return result;
}
public event EventHandler CanExecuteChanged;
public void RaiseCanExecuteChanged()
{
EventHandler handler = this.CanExecuteChanged;
if (handler != null)
{
handler(this, new EventArgs());
}
}
public void Execute(object parameter)
{
this.executeAction(parameter);
}
}
#endregion