Builds a complete list of items that pass or fail validation checks.

ValidationCheckBuilder.cs

using System;
using System.Collections.Generic;

public class ValidateCheckBuilder
{
	private List<ValidationCheck> _validationchecks = new List<ValidationCheck>();
	public IEnumerable<ValidationCheck> ValidationChecks { get { return this._validationchecks; } }
	private bool? _allValid;
	public bool AllValid { get { return _allValid.GetValueOrDefault(); } }

	private string _name;
	private string _message;
	private object[] _messageFormatArgs;
	public ValidateCheckBuilder Start(string name)
	{
		this._name = name;
		return this;
	}
	public ValidateCheckBuilder Message(string format, params object[] args)
	{
		_message = format;
		_messageFormatArgs = args;
		return this;
	}
	public ValidationCheck TestValid(Func<bool> validationFunction)
	{
		bool isValid;
		try
		{
			isValid = validationFunction();
		}
		catch { isValid = false; }

		if (_allValid == null)
			_allValid = isValid;
		else
			_allValid &= isValid;

		//build message
		string message = _message;
		if (_messageFormatArgs != null)
			message = string.Format(_message, _messageFormatArgs);

		ValidationCheck instance = new ValidationCheck(isValid, this._name, message);
		this._validationchecks.Add(instance);
		return instance;
	}

	public ValidationCheck Add(string name, string message, Func<bool> validatedFunction)
	{
		bool isValid;
		try
		{
			isValid = validatedFunction();
		}
		catch { isValid = false; }
		return new ValidationCheck(isValid, name, message);
	}
}
public class ValidationCheck
{
	public ValidationCheck(bool isvalid, string name, string message)
	{
		this.IsValid = isvalid;
		this.Name = name;
		this._message = message;
	}
	public ValidationCheck(bool isvalid, string name, string format, object[] formatArgs)
	{
		this.IsValid = isvalid;
		this.Name = name;
		this._message = format;
		this._formatArgs = formatArgs;
	}
	private string _message;
	private object[] _formatArgs;
	public bool IsValid { get; private set; }
	public string Name { get; private set; }
	public string Message
	{
		get
		{
			if (_formatArgs == null)
				return _message;
			else
				return string.Format(_message, _formatArgs);
		}
	}

}