/// <summary>
/// Defines the method to be called when the command is invoked.
/// </summary>
/// <param name="value">Data used by the command. If the command does not require data to be passed, this object can be set to null.</param>
public void Execute(object value)
{
using (var token = access.AccquireUpgradeableReaderLock())
{
if (false == CanExecute(value))
{
return;
}
executeChanged.Invoke(this, EventArgs.Empty);
using (token.Upgrade())
{
if (IsExecuting)
{
return;
}
try
{
IsExecuting = true;
cts = new CancellationTokenSource();
Task.Factory.StartNew(DoExecute, value, cts.Token).RunAndForget();
}
catch (Exception)
{
IsExecuting = false;
complete.Invoke(this, new CommandCompleteEventArgs(CompleteStatus.Failed));
}
}
}
}