Bump version 1.1.0.3

.gitea/workflows/test.yaml

@@ -2,7 +2,7 @@ name: Test
 on:
   push:
     branches: ["**"]
-    paths: ["Elwig/**", "Tests/**", "Installer/Files/*.exe", ".gitea/workflows/test.yaml"]
+    paths: ["Elwig/**", "Tests/**", ".gitea/workflows/test.yaml"]
 jobs:
   test:
     name: Run tests

CHANGELOG.md

@@ -2,6 +2,62 @@
 Changelog
 =========
 
+[v1.1.0.3][v1.1.0.3] (2026-08-17) {#v1.1.0.3}
+---------------------------------------------
+
+### Sonstiges {#v1.1.0.3-misc}
+
+* Beim Drucken mehrerer Kopien einer PDF-Datei wird nun nur mehr ein einzelner Druck-Auftrag verwendet. (fc5ad82686)
+* Beim Synchronisieren können Geräte als Hauptgerät festgelegt werden. (eaddf0c3cb)
+* Abhängigkeiten aktualisiert. (e6e140dc08, 58bfb4f56d)
+
+[v1.1.0.3]: https://git.necronda.net/winzer/elwig/releases/tag/v1.1.0.3
+
+
+
+
+[v1.1.0.2][v1.1.0.2] (2026-08-11) {#v1.1.0.2}
+---------------------------------------------
+
+### Neue Funktionen {#v1.1.0.2-features}
+
+* Es ist nun möglich zwischen dem Senden von E-Mail einige Sekunden zu warten (Konfigurationsdatei -> `[smtp]` -> `wait = 0.5`). (76ea3513ac)
+
+### Behobene Fehler {#v1.1.0.2-bugfixes}
+
+* Beim Drucken von Dokumenten waren die Seitenränder nicht korrekt. (f13a836ebd, 20b19775b1, 470c6e09e5, 07b197958d)
+
+[v1.1.0.2]: https://git.necronda.net/winzer/elwig/releases/tag/v1.1.0.2
+
+
+
+
+[v1.1.0.1][v1.1.0.1] (2026-08-05) {#v1.1.0.1}
+---------------------------------------------
+
+### Neue Funktionen {#v1.1.0.1-features}
+
+* Auf Lieferscheinen sind nun Waage und Terminal angegeben. (309f118739)
+* Beim Starten von Elwig wird Datum/Uhrzeit auf allen angeschlossenen Waagen gesetzt. (2a3999f300)
+
+### Behobene Fehler {#v1.1.0.1-bugfixes}
+
+* Im Stammdaten-Fenster (`BaseDataWindow`) war es nach einem Fehler beim Bearbeiten bis zum Schließen des Fensters nicht mehr möglich zu speichern. ([#82][i82])
+
+### Sonstiges {#v1.1.0.1-misc}
+
+* Im Auszahlungsvarianten-Fenster (`PaymentVariantsWindow`)...
+  * wurde auf 3 Knöpfen das Symbol "in neuem Fenster öffnen" hinzugefügt. (88616b2c0b)
+  * wird beim "Speichern" die Variante automatisch auch berechnet um Fehler/Missverständnisse zu vermeiden. ([#83][i83])
+* Abhängigkeiten aktualisiert. (b445928c4d, 668030fbff, a8cc3c9cb9)
+
+[v1.1.0.1]: https://git.necronda.net/winzer/elwig/releases/tag/v1.1.0.1
+[i82]: https://git.necronda.net/winzer/elwig/issues/82
+[i83]: https://git.necronda.net/winzer/elwig/issues/83
+
+
+
+
 [v1.1.0.0][v1.1.0.0] (2026-07-09) {#v1.1.0.0}
 ---------------------------------------------
 
@@ -290,7 +346,7 @@ Changelog
 
 [v1.0.3.0]: https://git.necronda.net/winzer/elwig/releases/tag/v1.0.3.0
 [i50]: https://git.necronda.net/winzer/elwig/issues/50
-[i66]: https://git.necronda.net/winzer/elwig/issues/60
+[i66]: https://git.necronda.net/winzer/elwig/issues/66
 [i71]: https://git.necronda.net/winzer/elwig/issues/71
 [i73]: https://git.necronda.net/winzer/elwig/issues/73
 

Elwig/App.manifest

@@ -16,14 +16,7 @@
 
   <dependency>
     <dependentAssembly>
-      <assemblyIdentity
+      <assemblyIdentity type="win32" name="Microsoft.Windows.Common-Controls" version="6.0.0.0" processorArchitecture="*" publicKeyToken="6595b64144ccf1df" language="*" />
-          type="win32"
-          name="Microsoft.Windows.Common-Controls"
-          version="6.0.0.0"
-          processorArchitecture="*"
-          publicKeyToken="6595b64144ccf1df"
-          language="*"
-        />
     </dependentAssembly>
   </dependency>
 </assembly>

Elwig/Elwig.csproj

@@ -9,10 +9,10 @@
     <UseWindowsForms>true</UseWindowsForms>
     <PreserveCompilationContext>true</PreserveCompilationContext>
     <ApplicationIcon>Resources\Images\Elwig.ico</ApplicationIcon>
-    <Version>1.1.0.0</Version>
+    <Version>1.1.0.3</Version>
     <SatelliteResourceLanguages>de-AT</SatelliteResourceLanguages>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <ApplicationManifest>app.manifest</ApplicationManifest>
+    <ApplicationManifest>App.manifest</ApplicationManifest>
   </PropertyGroup>
 
   <ItemGroup>
@@ -23,21 +23,21 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="bblanchon.PDFium.Win32" Version="153.0.7988" />
+    <PackageReference Include="bblanchon.PDFium.Win32" Version="153.0.8009" />
     <PackageReference Include="CommunityToolkit.Mvvm" Version="8.4.2" />
     <PackageReference Include="itext" Version="9.7.0" />
     <PackageReference Include="itext.bouncy-castle-adapter" Version="9.7.0" />
     <PackageReference Include="LinqKit" Version="1.3.11" />
     <PackageReference Include="MailKit" Version="4.17.0" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="10.0.10" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="10.0.11" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Ini" Version="10.0.10" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Ini" Version="10.0.11" />
     <PackageReference Include="Microsoft.Web.WebView2" Version="1.0.4129.50" />
     <PackageReference Include="NJsonSchema" Version="11.6.1" />
     <PackageReference Include="ScottPlot.WPF" Version="5.1.59" />
     <PackageReference Include="SQLitePCLRaw.bundle_e_sqlite3" Version="3.0.5" />
-    <PackageReference Include="System.IO.Hashing" Version="10.0.10" />
+    <PackageReference Include="System.IO.Hashing" Version="10.0.11" />
-    <PackageReference Include="System.IO.Ports" Version="10.0.10" />
+    <PackageReference Include="System.IO.Ports" Version="10.0.11" />
-    <PackageReference Include="System.Management" Version="10.0.10" />
+    <PackageReference Include="System.Management" Version="10.0.11" />
   </ItemGroup>
 
 </Project>

Elwig/Helpers/Config.cs

@@ -50,6 +50,7 @@ namespace Elwig.Helpers {
         public string? SyncUrl = null;
         public string SyncUsername = "";
         public string SyncPassword = "";
+        public bool SyncMain = false;
 
         public string? SmtpHost = null;
         public int? SmtpPort = null;
@@ -57,9 +58,10 @@ namespace Elwig.Helpers {
         public string? SmtpUsername = null;
         public string? SmtpPassword = null;
         public string? SmtpFrom = null;
-        public (string Host, int Port, string Mode, string Username, string Password, string From)? Smtp =>
+        public double SmtpWait = 0;
+        public (string Host, int Port, string Mode, string Username, string Password, string From, double Wait)? Smtp =>
             SmtpHost == null || SmtpPort == null || SmtpMode == null || SmtpUsername == null || SmtpPassword == null || SmtpFrom == null ?
-            null : (SmtpHost, (int)SmtpPort, SmtpMode, SmtpUsername, SmtpPassword, SmtpFrom);
+            null : (SmtpHost, (int)SmtpPort, SmtpMode, SmtpUsername, SmtpPassword, SmtpFrom, SmtpWait);
 
         public IList<ScaleConfig> Scales;
         private readonly List<ScaleConfig> ScaleList = [];
@@ -85,6 +87,7 @@ namespace Elwig.Helpers {
             SyncUrl = config["sync:url"];
             SyncUsername = config["sync:username"] ?? "";
             SyncPassword = config["sync:password"] ?? "";
+            SyncMain = TrueValues.Contains(config["sync:main"]?.ToLower());
 
             SmtpHost = config["smtp:host"];
             SmtpPort = config["smtp:port"]?.All(char.IsAsciiDigit) == true && config["smtp:port"]?.Length > 0 ? int.Parse(config["smtp:port"]!) : null;
@@ -92,6 +95,7 @@ namespace Elwig.Helpers {
             SmtpUsername = config["smtp:username"];
             SmtpPassword = config["smtp:password"];
             SmtpFrom = config["smtp:from"];
+            SmtpWait = double.TryParse(config["smtp:wait"], out var res) ? res : 0;
 
             var scales = config.AsEnumerable().Where(i => i.Key.StartsWith("scale.")).GroupBy(i => i.Key.Split(':')[0][6..]).Select(i => i.Key).Order();
             ScaleList.Clear();

Elwig/Helpers/Printing/Pdf.cs

@@ -1,7 +1,6 @@
 using Elwig.Services;
 using Elwig.Windows;
 using System;
-using System.Drawing.Printing;
 using System.Threading.Tasks;
 
 namespace Elwig.Helpers.Printing {
@@ -32,20 +31,10 @@ namespace Elwig.Helpers.Printing {
             });
         }
 
-        public static async Task Print(string path, int copies = 1, bool doublePaged = false) {
+        public static Task Print(string path, int copies = 1, bool doublePaged = false) {
-            await Print(path, new() {
-                Copies = (short)copies,
-                Collate = true,
-                Duplex = doublePaged ? Duplex.Vertical : Duplex.Simplex,
-            });
-        }
-
-        public static Task Print(string path, PrinterSettings settings) {
             try {
-                using var printDoc = new PdfPrintDocument(path) {
+                var printer = new PdfPrinter();
-                    PrinterSettings = settings,
+                printer.Print(path, copies, doublePaged);
-                };
-                printDoc.Print();
             } catch (Exception exc) {
                 InteractionService.ShowException("Fehler beim Drucken", "Beim Drucken ist ein Fehler aufgetreten", exc);
             }

Elwig/Helpers/Printing/PdfPrintDocument.cs

@@ -1,102 +0,0 @@
-using System;
-using System.Drawing;
-using System.Drawing.Imaging;
-using System.Drawing.Printing;
-using System.Runtime.InteropServices;
-
-namespace Elwig.Helpers.Printing {
-    public class PdfPrintDocument : PrintDocument {
-
-        private readonly IntPtr _handle;
-        private readonly int _pageCount;
-        private readonly double _dpi;
-
-        private int _currentPage;
-
-        public PdfPrintDocument(string path, string? password = null, double dpi = 300.0) :
-            base() {
-            _handle = PdfiumNative.FPDF_LoadDocument(path, password);
-            _pageCount = PdfiumNative.FPDF_GetPageCount(_handle);
-            _dpi = dpi;
-        }
-
-        protected override void Dispose(bool disposing) {
-            PdfiumNative.FPDF_CloseDocument(_handle);
-            base.Dispose(disposing);
-        }
-
-        protected override void OnBeginPrint(PrintEventArgs evt) {
-            _currentPage = (PrinterSettings.FromPage != 0) ? (PrinterSettings.FromPage - 1) : 0;
-            base.OnBeginPrint(evt);
-        }
-
-        protected override void OnPrintPage(PrintPageEventArgs evt) {
-            if (_currentPage < _pageCount) {
-                IntPtr page = PdfiumNative.FPDF_LoadPage(_handle, _currentPage);
-                double width = PdfiumNative.FPDF_GetPageWidth(page);
-                double height = PdfiumNative.FPDF_GetPageHeight(page);
-                int pixelWidth = (int)(width / 72.0 * _dpi);
-                int pixelHeight = (int)(height / 72.0 * _dpi);
-
-                IntPtr bitmap = PdfiumNative.FPDFBitmap_Create(pixelWidth, pixelHeight, 1);
-                PdfiumNative.FPDF_RenderPageBitmap(bitmap, page, 0, 0, pixelWidth, pixelHeight, 0, 0);
-
-                IntPtr buffer = PdfiumNative.FPDFBitmap_GetBuffer(bitmap);
-                int stride = PdfiumNative.FPDFBitmap_GetStride(bitmap);
-                using (var bmp = new Bitmap(pixelWidth, pixelHeight, stride, PixelFormat.Format32bppArgb, buffer)) {
-                    evt.Graphics?.DrawImage(bmp, evt.PageBounds);
-                }
-                _currentPage++;
-
-                PdfiumNative.FPDFBitmap_Destroy(bitmap);
-                PdfiumNative.FPDF_ClosePage(page);
-            }
-            evt.HasMorePages = _currentPage < ((PrinterSettings.ToPage == 0) ? _pageCount : Math.Min(PrinterSettings.ToPage, _pageCount));
-            base.OnPrintPage(evt);
-        }
-    }
-
-    internal partial class PdfiumNative {
-        [LibraryImport("pdfium.dll")]
-        public static partial void FPDF_InitLibrary();
-
-        [LibraryImport("pdfium.dll")]
-        public static partial void FPDF_DestroyLibrary();
-
-        [LibraryImport("pdfium.dll", StringMarshalling = StringMarshalling.Utf8)]
-        public static partial IntPtr FPDF_LoadDocument(string filePath, string? password);
-
-        [LibraryImport("pdfium.dll")]
-        public static partial void FPDF_CloseDocument(IntPtr document);
-
-        [LibraryImport("pdfium.dll")]
-        public static partial int FPDF_GetPageCount(IntPtr document);
-
-        [LibraryImport("pdfium.dll")]
-        public static partial IntPtr FPDF_LoadPage(IntPtr document, int pageIndex);
-
-        [LibraryImport("pdfium.dll")]
-        public static partial void FPDF_ClosePage(IntPtr page);
-
-        [LibraryImport("pdfium.dll")]
-        public static partial double FPDF_GetPageWidth(IntPtr page);
-
-        [LibraryImport("pdfium.dll")]
-        public static partial double FPDF_GetPageHeight(IntPtr page);
-
-        [LibraryImport("pdfium.dll")]
-        public static partial IntPtr FPDFBitmap_Create(int width, int height, int alpha);
-
-        [LibraryImport("pdfium.dll")]
-        public static partial void FPDFBitmap_Destroy(IntPtr bitmap);
-
-        [LibraryImport("pdfium.dll")]
-        public static partial IntPtr FPDFBitmap_GetBuffer(IntPtr bitmap);
-
-        [LibraryImport("pdfium.dll")]
-        public static partial int FPDFBitmap_GetStride(IntPtr bitmap);
-
-        [LibraryImport("pdfium.dll")]
-        public static partial void FPDF_RenderPageBitmap(IntPtr bitmap, IntPtr page, int start_x, int start_y, int size_x, int size_y, int rotate, int flags);
-    }
-}

Elwig/Helpers/Printing/PdfPrinter.cs

@@ -0,0 +1,83 @@
+using System;
+using System.IO;
+using System.Printing;
+
+namespace Elwig.Helpers.Printing {
+    public class PdfPrinter {
+
+        public string PrinterName { get; init; }
+
+        public PdfPrinter(string? printerName = null) {
+            PrinterName = printerName ?? GetDefaultPrinterName() ?? throw new InvalidOperationException("No default Windows printer is configured.");
+        }
+
+        public void Print(string pdfPath, int copies = 1, bool doublePaged = false) {
+            if (!File.Exists(pdfPath)) throw new FileNotFoundException("PDF file not found.", pdfPath);
+
+            IntPtr document = PdfiumNative.FPDF_LoadDocument(pdfPath, null);
+            if (document == IntPtr.Zero) throw new InvalidOperationException("PDFium could not open the PDF.");
+
+            try {
+                int pageCount = PdfiumNative.FPDF_GetPageCount(document);
+                if (pageCount <= 0)
+                    return;
+
+                using var printer = new Win32Printer.Printer(PrinterName);
+                printer.TrySetDuplex(doublePaged ? Duplexing.TwoSidedLongEdge : Duplexing.OneSided);
+                printer.StartDocument(Path.GetFileName(pdfPath));
+                bool documentStarted = true;
+                try {
+                    for (int i = 0; i < copies; i++) {
+                        for (int j = 0; j < pageCount; j++) {
+                            PrintPage(document, printer, j);
+                        }
+                    }
+                    printer.EndDocument();
+                    documentStarted = false;
+                } finally {
+                    if (documentStarted) printer.AbortDocument();
+                }
+            } finally {
+                PdfiumNative.FPDF_CloseDocument(document);
+            }
+        }
+
+        private static void PrintPage(IntPtr document, Win32Printer.Printer printer, int pageIndex) {
+            if (!PdfiumNative.FPDF_GetPageSizeByIndex(document, pageIndex, out double pageWidthPt, out double pageHeightPt)) {
+                throw new InvalidOperationException($"Unable to obtain PDF page {pageIndex} size.");
+            }
+
+            IntPtr page = PdfiumNative.FPDF_LoadPage(document, pageIndex);
+            if (page == IntPtr.Zero)
+                throw new InvalidOperationException($"Unable to load PDF page {pageIndex}.");
+
+            try {
+                int renderWidth = (int)Math.Round(pageWidthPt / 72.0 * printer.DpiX);
+                int renderHeight = (int)Math.Round(pageHeightPt / 72.0 * printer.DpiY);
+                int offsetX = (printer.PrintableWidth - renderWidth) / 2;
+                int offsetY = (printer.PrintableHeight - renderHeight) / 2;
+
+                printer.StartPage();
+                try {
+                    PdfiumNative.FPDF_RenderPage(printer.Hdc, page, offsetX, offsetY, renderWidth, renderHeight, 0, PdfiumNative.FPDF_PRINTING | PdfiumNative.FPDF_ANNOT);
+                } finally {
+                    printer.EndPage();
+                }
+            } finally {
+                PdfiumNative.FPDF_ClosePage(page);
+            }
+        }
+
+        private static string? GetDefaultPrinterName() {
+            using var key = Microsoft.Win32.Registry.CurrentUser.OpenSubKey(@"Software\Microsoft\Windows NT\CurrentVersion\Windows");
+            string? printer = key?.GetValue("Device") as string;
+            if (string.IsNullOrWhiteSpace(printer))
+                return null;
+
+            // Device has the form:
+            // Printer Name,winspool,PORT
+            int comma = printer.IndexOf(',');
+            return comma >= 0 ? printer[..comma] : printer;
+        }
+    }
+}

Elwig/Helpers/Printing/PdfiumNative.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace Elwig.Helpers.Printing {
+    internal partial class PdfiumNative {
+
+        public const int FPDF_ANNOT = 0x01;
+        public const int FPDF_PRINTING = 0x800;
+
+        [LibraryImport("pdfium.dll")]
+        public static partial void FPDF_InitLibrary();
+
+        [LibraryImport("pdfium.dll")]
+        public static partial void FPDF_DestroyLibrary();
+
+        [LibraryImport("pdfium.dll", StringMarshalling = StringMarshalling.Utf8)]
+        public static partial IntPtr FPDF_LoadDocument(string filePath, string? password);
+
+        [LibraryImport("pdfium.dll")]
+        public static partial void FPDF_CloseDocument(IntPtr document);
+
+        [LibraryImport("pdfium.dll")]
+        public static partial int FPDF_GetPageCount(IntPtr document);
+
+        [LibraryImport("pdfium.dll")]
+        public static partial IntPtr FPDF_LoadPage(IntPtr document, int pageIndex);
+
+        [LibraryImport("pdfium.dll")]
+        public static partial void FPDF_ClosePage(IntPtr page);
+
+        [LibraryImport("pdfium.dll")]
+        [return: MarshalAs(UnmanagedType.Bool)]
+        public static partial bool FPDF_GetPageSizeByIndex(IntPtr document, int pageIndex, out double width, out double height);
+
+        [LibraryImport("pdfium.dll")]
+        public static partial void FPDF_RenderPage(IntPtr hdc, IntPtr page, int startX, int startY, int sizeX, int sizeY, int rotate, int flags);
+    }
+}

Elwig/Helpers/Printing/Win32Printer.cs

@@ -0,0 +1,239 @@
+using System;
+using System.ComponentModel;
+using System.Printing;
+using System.Runtime.InteropServices;
+
+namespace Elwig.Helpers.Printing {
+    public partial class Win32Printer {
+
+        private const int DM_OUT_BUFFER = 2;
+
+        private const int HORZRES = 8;
+        private const int VERTRES = 10;
+        private const int LOGPIXELSX = 88;
+        private const int LOGPIXELSY = 90;
+        private const int PHYSICALWIDTH = 110;
+        private const int PHYSICALHEIGHT = 111;
+        private const int PHYSICALOFFSETX = 112;
+        private const int PHYSICALOFFSETY = 113;
+
+        private const int DM_DUPLEX = 0x1000;
+        private const short DMDUP_SIMPLEX = 1;
+        private const short DMDUP_VERTICAL = 2;
+        private const short DMDUP_HORIZONTAL = 3;
+
+        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
+        private struct DOCINFO {
+            public int cbSize;
+
+            [MarshalAs(UnmanagedType.LPWStr)]
+            public string? lpszDocName;
+
+            [MarshalAs(UnmanagedType.LPWStr)]
+            public string? lpszOutput;
+
+            [MarshalAs(UnmanagedType.LPWStr)]
+            public string? lpszDatatype;
+        }
+
+        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
+        private struct DEVMODE {
+            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
+            public string dmDeviceName;
+
+            public short dmSpecVersion;
+            public short dmDriverVersion;
+            public short dmSize;
+            public short dmDriverExtra;
+            public int dmFields;
+
+            public short dmOrientation;
+            public short dmPaperSize;
+            public short dmPaperLength;
+            public short dmPaperWidth;
+            public short dmScale;
+            public short dmCopies;
+            public short dmDefaultSource;
+            public short dmPrintQuality;
+            public short dmColor;
+            public short dmDuplex;
+            public short dmYResolution;
+            public short dmTTOption;
+            public short dmCollate;
+
+            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 32)]
+            public string dmFormName;
+
+            public short dmLogPixels;
+            public int dmBitsPerPel;
+            public int dmPelsWidth;
+            public int dmPelsHeight;
+            public int dmDisplayFlags;
+            public int dmDisplayFrequency;
+            public int dmICMMethod;
+            public int dmICMIntent;
+            public int dmMediaType;
+            public int dmDitherType;
+            public int dmReserved1;
+            public int dmReserved2;
+            public int dmPanningWidth;
+            public int dmPanningHeight;
+        }
+
+        [DllImport("winspool.drv", SetLastError = true, CharSet = CharSet.Unicode)]
+        private static extern bool OpenPrinter(string pPrinterName, out IntPtr phPrinter, IntPtr pDefault);
+
+        [DllImport("winspool.drv", SetLastError = true)]
+        private static extern bool ClosePrinter(IntPtr hPrinter);
+
+        [DllImport("winspool.drv", SetLastError = true, CharSet = CharSet.Unicode)]
+        private static extern int DocumentProperties(IntPtr hwnd, IntPtr hPrinter, string pDeviceName, IntPtr pDevModeOutput, IntPtr pDevModeInput, int fMode);
+
+        [DllImport("gdi32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
+        private static extern IntPtr CreateDC(string? pDriver, string? pDevice, string? pOutput, IntPtr pInitData);
+
+        [DllImport("gdi32.dll", SetLastError = true)]
+        private static extern bool DeleteDC(IntPtr hdc);
+
+        [DllImport("gdi32.dll", SetLastError = true)]
+        private static extern int GetDeviceCaps(IntPtr hdc, int index);
+
+        [DllImport("gdi32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
+        private static extern int StartDoc(IntPtr hdc, ref DOCINFO lpdi);
+
+        [DllImport("gdi32.dll", SetLastError = true)]
+        private static extern int EndDoc(IntPtr hdc);
+
+        [DllImport("gdi32.dll", SetLastError = true)]
+        private static extern int AbortDoc(IntPtr hdc);
+
+        [DllImport("gdi32.dll", SetLastError = true)]
+        private static extern int StartPage(IntPtr hdc);
+
+        [DllImport("gdi32.dll", SetLastError = true)]
+        private static extern int EndPage(IntPtr hdc);
+
+        [DllImport("kernel32.dll", SetLastError = true)]
+        private static extern IntPtr GlobalAlloc(uint uFlags, UIntPtr dwBytes);
+
+        [DllImport("kernel32.dll", SetLastError = true)]
+        private static extern IntPtr GlobalFree(IntPtr hMem);
+
+        [DllImport("kernel32.dll")]
+        private static extern IntPtr GlobalLock(IntPtr hMem);
+
+        [DllImport("kernel32.dll")]
+        private static extern bool GlobalUnlock(IntPtr hMem);
+
+        public class Printer : IDisposable {
+            private readonly string _printerName;
+            private readonly IntPtr _printerHandle;
+            private readonly IntPtr _devMode;
+            private readonly IntPtr _hdc;
+
+            public IntPtr Hdc => _hdc;
+
+            public int PrintableWidth => GetDeviceCaps(_hdc, HORZRES);
+            public int PrintableHeight => GetDeviceCaps(_hdc, VERTRES);
+            public int DpiX => GetDeviceCaps(_hdc, LOGPIXELSX);
+            public int DpiY => GetDeviceCaps(_hdc, LOGPIXELSY);
+            public int PhysicalWidth => GetDeviceCaps(_hdc, PHYSICALWIDTH);
+            public int PhysicalHeight => GetDeviceCaps(_hdc, PHYSICALHEIGHT);
+            public int PhysicalOffsetX => GetDeviceCaps(_hdc, PHYSICALOFFSETX);
+            public int PhysicalOffsetY => GetDeviceCaps(_hdc, PHYSICALOFFSETY);
+
+            public Printer(string printerName) {
+                _printerName = printerName;
+
+                if (!OpenPrinter(_printerName, out _printerHandle, IntPtr.Zero)) {
+                    throw new Win32Exception(Marshal.GetLastWin32Error(), $"Unable to open printer '{printerName}'.");
+                }
+
+                try {
+                    _devMode = CreateDevMode();
+                    _hdc = CreateDC(null, _printerName, null, _devMode);
+                    if (_hdc == IntPtr.Zero)
+                        throw new Win32Exception(Marshal.GetLastWin32Error(), $"Unable to create printer DC for '{_printerName}'.");
+                } catch {
+                    if (_devMode != IntPtr.Zero) Marshal.FreeHGlobal(_devMode);
+                    ClosePrinter(_printerHandle);
+                    throw;
+                }
+            }
+
+            public bool TrySetDuplex(Duplexing duplex) {
+                var devMode = Marshal.PtrToStructure<DEVMODE>(_devMode);
+                switch (duplex) {
+                    case Duplexing.OneSided: devMode.dmDuplex = DMDUP_SIMPLEX; break;
+                    case Duplexing.TwoSidedShortEdge: devMode.dmDuplex = DMDUP_HORIZONTAL; break;
+                    case Duplexing.TwoSidedLongEdge: devMode.dmDuplex = DMDUP_VERTICAL; break;
+                }
+                if ((devMode.dmFields & DM_DUPLEX) != 0) {
+                    Marshal.StructureToPtr(devMode, _devMode, false);
+                    return true;
+                } else {
+                    devMode.dmFields |= DM_DUPLEX;
+                    Marshal.StructureToPtr(devMode, _devMode, false);
+                    return false;
+                }
+            }
+
+            private IntPtr CreateDevMode() {
+                int size = DocumentProperties(IntPtr.Zero, _printerHandle, _printerName, IntPtr.Zero, IntPtr.Zero, 0);
+                if (size <= 0)
+                    throw new Win32Exception(Marshal.GetLastWin32Error(), "DocumentProperties failed.");
+
+                IntPtr devMode = Marshal.AllocHGlobal(size);
+                int result = DocumentProperties(IntPtr.Zero, _printerHandle, _printerName, devMode, IntPtr.Zero, DM_OUT_BUFFER);
+                if (result < 0) {
+                    Marshal.FreeHGlobal(devMode);
+                    throw new Win32Exception(Marshal.GetLastWin32Error(), "Unable to obtain printer DEVMODE.");
+                }
+
+                return devMode;
+            }
+
+            public void StartDocument(string documentName) {
+                var docInfo = new DOCINFO {
+                    cbSize = Marshal.SizeOf<DOCINFO>(),
+                    lpszDocName = documentName,
+                    lpszDatatype = null,
+                    lpszOutput = null
+                };
+
+                if (StartDoc(_hdc, ref docInfo) <= 0)
+                    throw new Win32Exception(Marshal.GetLastWin32Error(), "StartDoc failed.");
+            }
+
+            public void StartPage() {
+                if (Win32Printer.StartPage(_hdc) <= 0)
+                    throw new Win32Exception(Marshal.GetLastWin32Error(), "StartPage failed.");
+            }
+
+            public void EndPage() {
+                if (Win32Printer.EndPage(_hdc) <= 0)
+                    throw new Win32Exception(Marshal.GetLastWin32Error(), "EndPage failed.");
+            }
+
+            public void EndDocument() {
+                if (EndDoc(_hdc) <= 0)
+                    throw new Win32Exception( Marshal.GetLastWin32Error(), "EndDoc failed.");
+            }
+
+            public void AbortDocument() {
+                AbortDoc(_hdc);
+            }
+
+            public void Dispose() {
+                if (_hdc != IntPtr.Zero)
+                    DeleteDC(_hdc);
+
+                if (_devMode != IntPtr.Zero)
+                    Marshal.FreeHGlobal(_devMode);
+
+                if (_printerHandle != IntPtr.Zero)
+                    ClosePrinter(_printerHandle);
+            }
+        }
+    }
+}

Elwig/Helpers/Utils.cs

@@ -516,7 +516,7 @@ namespace Elwig.Helpers {
         public static async Task<SmtpClient?> GetSmtpClient() {
             if (App.Config.Smtp == null)
                 return null;
-            var (host, port, mode, username, password, _) = App.Config.Smtp.Value;
+            var (host, port, mode, username, password, _, _) = App.Config.Smtp.Value;
             var client = new SmtpClient();
             await client.ConnectAsync(host, port, mode == "starttls" ? SecureSocketOptions.StartTls : SecureSocketOptions.None);
             await client.AuthenticateAsync(username, password);

Elwig/Services/SyncService.cs

@@ -214,7 +214,7 @@ namespace Elwig.Services {
             ];
         }
 
-        public static async Task Download(string url, string username, string password) {
+        public static async Task Download(string url, string username, string password, bool confirmImports) {
             try {
                 var import = await GetFilesToImport(url, username, password);
                 var paths = new List<string>();
@@ -226,7 +226,7 @@ namespace Elwig.Services {
                         paths.Add(filename);
                     }
                 }
-                await ElwigData.Import(paths, ElwigData.ImportMode.FromBranches);
+                await ElwigData.Import(paths, confirmImports ? ElwigData.ImportMode.Interactively : ElwigData.ImportMode.FromBranches);
             } catch (HttpRequestException exc) {
                 InteractionService.ShowException("Daten herunterladen", "Eventuell Internetverbindung prüfen!", exc);
             } catch (TaskCanceledException exc) {
@@ -264,5 +264,14 @@ namespace Elwig.Services {
                 return false;
             }
         }
+
+        public static async Task<bool> ChangesAvailable(AppDbContext ctx, string url, string username, string password, int? year = null) {
+            try {
+                year ??= Utils.CurrentLastSeason;
+                return await ctx.Deliveries.Where(d => d.ZwstId == App.ZwstId && d.Year == year).Where(ChangedDeliveries).AnyAsync() || (Utils.HasInternetConnectivity() && (await GetFilesToImport(url, username, password)).Count > 0);
+            } catch {
+                return false;
+            }
+        }
     }
 }

Elwig/Windows/MailWindow.xaml.cs

@@ -958,6 +958,7 @@ namespace Elwig.Windows {
                             m.EmailAddresses.OrderBy(a => a.Nr).Select(a => a.Address).ToArray(),
                             subject, docs.Select(d => d.Title).ToArray()
                         )]);
+                        await Task.Delay((int)(App.Config.SmtpWait * 1000));
                     }
                 });
 

Elwig/Windows/MainWindow.xaml.cs

@@ -200,8 +200,13 @@ namespace Elwig.Windows {
                 return;
             Mouse.OverrideCursor = Cursors.Wait;
             await Task.Run(async () => {
-                await SyncService.Download(App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
+                if (App.Config.SyncMain) {
+                    await SyncService.Download(App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword, true);
                     await SyncService.UploadModified(App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
+                } else {
+                    await SyncService.Download(App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword, false);
+                    await SyncService.UploadBranchDeliveries(App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
+                }
             });
             Mouse.OverrideCursor = null;
         }
@@ -211,7 +216,7 @@ namespace Elwig.Windows {
                 return;
             Mouse.OverrideCursor = Cursors.Wait;
             await Task.Run(async () => {
-                await SyncService.Download(App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
+                await SyncService.Download(App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword, App.Config.SyncMain);
             });
             Mouse.OverrideCursor = null;
         }
@@ -229,6 +234,10 @@ namespace Elwig.Windows {
         private async void Menu_Sync_UploadModified_Click(object sender, RoutedEventArgs evt) {
             if (App.Config.SyncUrl == null)
                 return;
+            if (!App.Config.SyncMain) {
+                InteractionService.ShowInformation("Mitglieder und Lieferungen hochladen", "Hochladen nicht möglich: Dieses Gerät ist nicht das Hauptgerät!");
+                return;
+            }
             Mouse.OverrideCursor = Cursors.Wait;
             await Task.Run(async () => {
                 await SyncService.UploadModified(App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
@@ -296,6 +305,11 @@ namespace Elwig.Windows {
             if (App.Config.SyncUrl == null)
                 return;
 
+            if (!App.Config.SyncMain) {
+                InteractionService.ShowInformation("Datenbank hochladen", "Hochladen nicht möglich: Dieses Gerät ist nicht das Hauptgerät!");
+                return;
+            }
+
             if (!InteractionService.AskContinue("Datenbank hochladen", "Sind Sie wirklich sicher, dass Sie die Datenbank dieses\nGerätes hochladen möchten? Das sollte nur vom Hauptgerät aus passieren!"))
                 return;
 
@@ -367,7 +381,11 @@ namespace Elwig.Windows {
                 await Task.Delay(delay);
                 var ch = false;
                 using (var ctx = new AppDbContext()) {
+                    if (App.Config.SyncMain) {
                         ch = await SyncService.ChangesAvailable(ctx, App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword);
+                    } else {
+                        ch = await SyncService.ChangesAvailable(ctx, App.Config.SyncUrl, App.Config.SyncUsername, App.Config.SyncPassword, default);
+                    }
                 }
                 await App.MainDispatcher.BeginInvoke(() => {
                     if (ch) {

Installer/Files/config.ini

@@ -26,6 +26,7 @@ auto = true
 ;username = ""
 ;password = ""
 ;from = mail@wg.at
+;wait = 0.5
 
 ;[scale.1]
 ;type = SysTec-IT

README.md

@@ -13,7 +13,7 @@ About
 **Product:** Elwig  
 **Description:** Electronic Management for Vintners' Cooperatives  
 **Type:** ERP system  
-**Version:** 1.1.0.0 ([Changelog](./CHANGELOG.md))  
+**Version:** 1.1.0.3 ([Changelog](./CHANGELOG.md))  
 **License:** [GNU General Public License 3.0 (GPLv3)](./LICENSE)  
 **Website:** https://elwig.at/  
 **Source code:** https://git.necronda.net/winzer/elwig  
@@ -33,7 +33,7 @@ Packaging: [WiX Toolset](https://www.firegiant.com/wixtoolset/)
 **Produkt:** Elwig  
 **Beschreibung:** Elektronische Winzergenossenschaftsverwaltung  
 **Typ:** Warenwirtschaftssystem (ERP-System)  
-**Version:** 1.1.0.0 ([Änderungsprotokoll](./CHANGELOG.md))  
+**Version:** 1.1.0.3 ([Änderungsprotokoll](./CHANGELOG.md))  
 **Lizenz:** [GNU General Public License 3.0 (GPLv3)](./LICENSE)  
 **Website:** https://elwig.at/  
 **Quellcode:** https://git.necronda.net/winzer/elwig  

Tests/Tests.csproj

@@ -19,7 +19,7 @@
   </Target>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
     <PackageReference Include="Appium.WebDriver" Version="4.4.5" />
     <PackageReference Include="NReco.PdfRenderer" Version="1.6.0" />
     <PackageReference Include="NUnit" Version="4.6.1" />