public static ReactiveCommand <TOut> SetNewCommand <T, TOut>(this ReactiveCommand <TOut> command, T target,
Expression <Func <T, ReactiveCommand <TOut> > > memberLamda)
where T : class
{
if (command == null)
{
throw new ArgumentNullException(nameof(command));
}
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
if (memberLamda == null)
{
throw new ArgumentNullException(nameof(memberLamda));
}
var memberSelectorExpression = memberLamda.Body as MemberExpression;
if (memberSelectorExpression == null)
{
throw new Exception("Not a member expression? " + target);
}
var property = memberSelectorExpression.Member as PropertyInfo;
if (property == null)
{
throw new Exception("Not a property? " + target);
}
command.DefaultSetup(target.GetCallerName(property));
property.SetValue(target, command, null);
return(command);
}
static ReactiveCommand CreateCommand(string name = null)
{
var command = new ReactiveCommand();
command.DefaultSetup(name);
return(command);
}
public static ReactiveCommand CreateCommand(string name, bool allowMultiple, bool initialCondition = true)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
var command = new ReactiveCommand(null, allowMultiple, null, initialCondition);
command.DefaultSetup(name);
return(command);
}
static ReactiveCommand CreateCommand(IObservable <bool> ena, string name, bool initialCondition = true)
{
if (ena == null)
{
throw new ArgumentNullException(nameof(ena));
}
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
var command = new ReactiveCommand(ena, initialCondition);
command.DefaultSetup(name);
return(command);
}