DepartmentProject/DepartmentPortal/Common/DesktopTools/Helpers/DialogHelper.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;

namespace DesktopTools.Helpers
{
	public static class DialogHelper
	{
		public static DialogResult MessageInformation(string message, string title) =>
			MessageBox.Show(message, title, MessageBoxButtons.OK, MessageBoxIcon.Information);

		public static DialogResult MessageQuestion(string message, string title) => 
			MessageBox.Show(message, title, MessageBoxButtons.YesNo, MessageBoxIcon.Question);
		public static DialogResult MessageQuestion(string message) =>
			MessageBox.Show(message, "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question);

		public static DialogResult MessageException(string message) =>
			MessageBox.Show(message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
		public static DialogResult MessageException(string message, string title) =>
			MessageBox.Show(message, title, MessageBoxButtons.OK, MessageBoxIcon.Error);
		public static DialogResult MessageException(List<(string Title, string Message)> messages, string title)
		{
			if (messages.Count == 1)
			{
				return MessageBox.Show(messages.First().Message, messages.First().Title, MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
			else
			{
				return MessageBox.Show(string.Join(Environment.NewLine, messages.Select(x=> $"{x.Title}:{x.Message}")), title, MessageBoxButtons.OK, MessageBoxIcon.Error);
			}
		}
	}
}