public void Execute(object parameter)
{
var args = new ConfirmedCommandEventArgs { Parameter = parameter };
_owner.QueryCancelExecution(args);
if (args.Cancel)
return;
try
{
_command.Execute(args.Parameter);
}
catch (Exception ex)
{
_owner.OnError(new ErrorEventArgs(ex));
}
}
public void Execute([CanBeNull] object parameter)
{
var args = new ConfirmedCommandEventArgs {
Parameter = parameter
};
_owner.QueryCancelExecution(args);
if (args.Cancel)
{
return;
}
try
{
_command.Execute(args.Parameter);
}
catch (Exception ex)
{
_owner.OnError(new ErrorEventArgs(ex));
}
}
private void QueryCancelExecution([NotNull] ConfirmedCommandEventArgs e)
{
Executing?.Invoke(this, e);
}
private void QueryCancelExecution([NotNull] ConfirmedCommandEventArgs e)
{
Contract.Requires(e != null);
Executing?.Invoke(this, e);
}