AppHelper.cs - master - DaNN26/SQLProvider

AppHelper.cs
75 строк2 KB
DaNN
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27 май 2026, 12:50
27 май 2026, 12:504fe37b9
using System;
using System.Drawing;
using System.IO;
using System.Windows.Forms;

namespace Demo
{
    internal static class AppHelper
    {
        private const string PlaceholderImage = @"Images\picture.png";
        private const string ApplicationIcon = @"Images\AppIcon.ico";

        public static string Escape(string text)
        {
            return (text ?? "").Replace("'", "''");
        }

        public static string SqlText(string text)
        {
            if (string.IsNullOrWhiteSpace(text))
            {
                return "NULL";
            }

            return "N'" + Escape(text.Trim()) + "'";
        }

        public static string GetFilePath(string relativePath)
        {
            var path = string.IsNullOrWhiteSpace(relativePath) ? PlaceholderImage : relativePath;
            return Path.IsPathRooted(path) ? path : Path.Combine(AppDomain.CurrentDomain.BaseDirectory, path);
        }

        public static Image LoadImage(string relativePath)
        {
            var path = GetFilePath(relativePath);

            if (!File.Exists(path))
            {
                path = GetFilePath(PlaceholderImage);
            }

            using (var stream = new FileStream(path, FileMode.Open, FileAccess.Read))
            {
                using (var image = Image.FromStream(stream))
                {
                    return new Bitmap(image);
                }
            }
        }

        public static void SetAppIcon(Form form)
        {
            var iconPath = GetFilePath(ApplicationIcon);

            if (!File.Exists(iconPath))
            {
                return;
            }

            try
            {
                form.Icon = new Icon(iconPath);
            }
            catch
            {
            }
        }

        public static void ShowError(string message)
        {
            MessageBox.Show(message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
        }
    }
}