some extension methods for Control

Components.cs

public static int Value(this Control _, NumberStyles s, IFormatProvider p)
{
	int d;
	if (int.TryParse(_.Text, s, p, out d))
		return d;
	return 0;
}
public static double Value(this Control _)
{
	double d;
	if (double.TryParse(_.Text, out d))
		return d;
	return 0;
}
public static T[] Value<T>(this Control _, Converter<Control, T[]> converter) { return converter(_); }