add versioninfo in nonclientarea

src/Shared/HandyControlDemo_Shared/Tools/Helper/VersionHelper.cs

@@ -0,0 +1,34 @@
+using System.Diagnostics;
+using System.Reflection;
+
+namespace HandyControlDemo.Tools
+{
+    internal class VersionHelper
+    {
+        internal static string GetVersion()
+        {
+            var versionInfo = FileVersionInfo.GetVersionInfo(Assembly.GetEntryAssembly().Location);
+#if NET40
+            var netVersion = "NET 40";
+#elif NET45
+            var netVersion = "NET 45";
+#elif NET462
+            var netVersion = "NET 462";
+#elif NET47
+            var netVersion = "NET 47";
+#elif NET48
+            var netVersion = "NET 48";
+#elif NET5_0
+            var netVersion = "NET 50";
+#elif NETCOREAPP3_0
+            var netVersion = "CORE 30";
+#elif NETCOREAPP3_1
+            var netVersion = "CORE 31";
+#endif
+            return $"v {versionInfo.FileVersion} {netVersion}";
+        }
+
+        internal static string GetCopyright() =>
+            FileVersionInfo.GetVersionInfo(Assembly.GetEntryAssembly().Location).LegalCopyright;
+    }
+}