Get rid of system.drawing and uwp notifications pacakge. Remove the AOT/trim stuff for now.

Wino.Mail.WinUI/Helpers/CalendarXamlHelpers.cs

@@ -76,7 +76,9 @@ public static class CalendarXamlHelpers
             interval: recurrenceRule.Interval <= 0 ? 1 : recurrenceRule.Interval,
             frequency: frequency.Value,
             daysOfWeek: recurrenceRule.ByDay?.Select(day => day.DayOfWeek).ToList() ?? [],
-            recurrenceEndDate: recurrenceRule.Until == default ? null : new DateTimeOffset(recurrenceRule.Until));
+            recurrenceEndDate: recurrenceRule.Until == null
+                ? null
+                : new DateTimeOffset(DateTime.SpecifyKind(recurrenceRule.Until.AsUtc, DateTimeKind.Utc)));
     }
 
     public static string GetDetailsPopupDurationString(CalendarItemViewModel calendarItemViewModel, CalendarSettings settings)

Wino.Mail.WinUI/Helpers/InstalledPrinterHelper.cs

@@ -0,0 +1,74 @@
+using System;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+
+namespace Wino.Mail.WinUI.Helpers;
+
+internal static partial class InstalledPrinterHelper
+{
+    private const int PrinterEnumLocal = 0x00000002;
+    private const int PrinterEnumConnections = 0x00000004;
+
+    public static IReadOnlyList<string> GetInstalledPrinters()
+    {
+        var flags = PrinterEnumLocal | PrinterEnumConnections;
+
+        if (!EnumPrinters(flags, null, 4, IntPtr.Zero, 0, out var bytesNeeded, out _))
+        {
+            var error = Marshal.GetLastWin32Error();
+            if (error != 122 || bytesNeeded <= 0)
+            {
+                throw new InvalidOperationException($"EnumPrinters failed to query buffer size. Win32 error: {error}.");
+            }
+        }
+
+        var printerBuffer = Marshal.AllocHGlobal(bytesNeeded);
+        try
+        {
+            if (!EnumPrinters(flags, null, 4, printerBuffer, bytesNeeded, out _, out var printerCount))
+            {
+                throw new InvalidOperationException($"EnumPrinters failed to enumerate printers. Win32 error: {Marshal.GetLastWin32Error()}.");
+            }
+
+            var printers = new List<string>(printerCount);
+            var structSize = Marshal.SizeOf<PrinterInfo4>();
+
+            for (var i = 0; i < printerCount; i++)
+            {
+                var current = IntPtr.Add(printerBuffer, i * structSize);
+                var info = Marshal.PtrToStructure<PrinterInfo4>(current);
+                if (!string.IsNullOrWhiteSpace(info.PrinterName))
+                {
+                    printers.Add(info.PrinterName);
+                }
+            }
+
+            return printers;
+        }
+        finally
+        {
+            Marshal.FreeHGlobal(printerBuffer);
+        }
+    }
+
+    [LibraryImport("winspool.drv", EntryPoint = "EnumPrintersW", SetLastError = true, StringMarshalling = StringMarshalling.Utf16)]
+    [return: MarshalAs(UnmanagedType.Bool)]
+    private static partial bool EnumPrinters(
+        int flags,
+        string? name,
+        int level,
+        IntPtr pPrinterEnum,
+        int cbBuf,
+        out int pcbNeeded,
+        out int pcReturned);
+
+    [StructLayout(LayoutKind.Sequential)]
+    private struct PrinterInfo4
+    {
+        public nint PrinterNamePointer;
+        public nint ServerNamePointer;
+        public int Attributes;
+
+        public string? PrinterName => Marshal.PtrToStringUni(PrinterNamePointer);
+    }
+}