From 250008e20c0bba7d22b955fb48c534e5370255ae Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eugen=20H=C3=B6glinger?= <eugen@hoeglinger.name>
Date: Thu, 26 Nov 2020 12:08:08 +0100
Subject: [PATCH] Initialize

---
 ReadFromExcel/Form1.cs                   | 48 +++++++++++++++++++++++-
 ReadFromExcel/Properties/AssemblyInfo.cs |  2 +-
 2 files changed, 47 insertions(+), 3 deletions(-)

diff --git a/ReadFromExcel/Form1.cs b/ReadFromExcel/Form1.cs
index f853f34..bb875a5 100644
--- a/ReadFromExcel/Form1.cs
+++ b/ReadFromExcel/Form1.cs
@@ -19,8 +19,8 @@ namespace ReadFromExcel
         string programName = Path.GetFileNameWithoutExtension(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase); //Den Programmnamen auslesen
         string programVersion = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString();
         static object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCopyrightAttribute), false);
-        string copyright = ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
-        string icon = System.Windows.Forms.Application.StartupPath + "\\Info.bmp";
+        string copyright = GenerateCopyright();
+        string icon = Application.StartupPath + "\\Info.bmp";
         //Assembly Datum und Zeit
         static DateTime value = AssemblyDateTime();
         string date = value.ToShortDateString();
@@ -32,6 +32,50 @@ namespace ReadFromExcel
             //Tage seit dem 1. Januar 2000 und Sekunden seit Mitternacht, (multiplizier mit 2 ergibt das Original)
             return buildDateTime;
         }
+
+        private static string CurrentYear()
+        {
+            DateTime dtn = DateTime.Now;
+            return dtn.Year.ToString();
+        }
+
+        private static string StartYear()
+        {
+            //string startYear = ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
+            //return startYear.Remove(0, startYear.LastIndexOf(" ") + 1);
+            string startYear = "";
+            if (((AssemblyCopyrightAttribute)attributes[0]).Copyright.Contains("Copyright © "))
+            {
+                startYear = ((AssemblyCopyrightAttribute)attributes[0]).Copyright.Replace("Copyright © ", "");
+                while (startYear.StartsWith(" "))
+                {
+                    startYear = startYear.Remove(0, 1);
+                }
+                startYear = startYear.Remove(startYear.IndexOf(" "));
+                return startYear;
+            }
+            else
+            {
+                DateTime dtn = DateTime.Now;
+                return dtn.Year.ToString();
+            }
+        }
+
+        private static string GenerateCopyright()
+        {
+            string startYear = StartYear();
+            string currentYear = CurrentYear();
+
+            if (startYear == currentYear)
+            {
+                return ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
+            }
+            else
+            {
+                //return String.Concat(((AssemblyCopyrightAttribute)attributes[0]).Copyright, "-", currentYear);
+                return ((AssemblyCopyrightAttribute)attributes[0]).Copyright.Replace(startYear, String.Concat(startYear, "-", currentYear));
+            }
+        }
         #endregion
 
         #region Programm-Info
diff --git a/ReadFromExcel/Properties/AssemblyInfo.cs b/ReadFromExcel/Properties/AssemblyInfo.cs
index f355035..e6d6209 100644
--- a/ReadFromExcel/Properties/AssemblyInfo.cs
+++ b/ReadFromExcel/Properties/AssemblyInfo.cs
@@ -10,7 +10,7 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("")]
 [assembly: AssemblyProduct("ReadFromExcel")]
-[assembly: AssemblyCopyright("Copyright © 2019 ")]
+[assembly: AssemblyCopyright("Copyright © 2019 by Eugen Höglinger")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]