GetOpenFileName pinvoke..

- unused currently.
- minor function rename.

src/Lively/Lively.Common/Constants.cs

@@ -52,7 +52,7 @@ public static class ApplicationType
             public static bool IsMSIX { get; } = new DesktopBridge.Helpers().IsRunningAsUwp();
             public static ClientType Client { get; } = ClientType.winui;
             //todo: make compile-time flag.
-            public static bool IsTestBuild { get; } = true;
+            public static bool IsTestBuild { get; } = false;
         }
 
         public static class Weather

src/Lively/Lively.UI.WinUI/Helpers/FilePickerUtil.cs

@@ -0,0 +1,84 @@
+using Microsoft.Extensions.DependencyInjection;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+using Windows.Storage.Pickers;
+
+namespace Lively.UI.WinUI.Helpers
+{
+
+    //https://github.com/microsoft/WindowsAppSDK/issues/2504
+    public static class FilePickerUtil
+    {
+        [DllImport("comdlg32.dll", SetLastError = true, CharSet = CharSet.Auto)]
+        private static extern bool GetOpenFileName(ref OpenFileName ofn);
+
+        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
+        public struct OpenFileName
+        {
+            public int lStructSize;
+            public IntPtr hwndOwner;
+            public IntPtr hInstance;
+            public string lpstrFilter;
+            public string lpstrCustomFilter;
+            public int nMaxCustFilter;
+            public int nFilterIndex;
+            public string lpstrFile;
+            public int nMaxFile;
+            public string lpstrFileTitle;
+            public int nMaxFileTitle;
+            public string lpstrInitialDir;
+            public string lpstrTitle;
+            public int Flags;
+            public short nFileOffset;
+            public short nFileExtension;
+            public string lpstrDefExt;
+            public IntPtr lCustData;
+            public IntPtr lpfnHook;
+            public string lpTemplateName;
+            public IntPtr pvReserved;
+            public int dwReserved;
+            public int flagsEx;
+        }
+
+        public static async Task<string> FilePicker(string[] filter) =>
+            false ? await FilePickerUwp(filter) : FilePickerCsWin32(filter);
+
+        private static async Task<string> FilePickerUwp(string[] filter)
+        {
+            var filePicker = new FileOpenPicker();
+            filePicker.SetOwnerWindow(App.Services.GetRequiredService<MainWindow>());
+            //filePicker.FileTypeFilter.Add("*");
+            foreach (var item in filter)
+            {
+                filePicker.FileTypeFilter.Add(item);
+            }
+            return (await filePicker.PickSingleFileAsync())?.Path;
+        }
+
+        private static string FilePickerCsWin32(string[] filters)
+        {
+            var ofn = new OpenFileName();
+            ofn.lStructSize = Marshal.SizeOf(ofn);
+            /*
+            ofn.lpstrFilter = "filterName";
+            foreach (string filter in filters)
+            {
+                ofn.lpstrFilter += $"*{filter};";
+            }
+            ofn.lpstrFilter += "\0\0";
+            */
+            ofn.lpstrFile = new string(new char[256]);
+            ofn.nMaxFile = ofn.lpstrFile.Length;
+            ofn.lpstrFileTitle = new string(new char[64]);
+            ofn.nMaxFileTitle = ofn.lpstrFileTitle.Length;
+            //ofn.lpstrTitle = dialogTitle;
+            if (GetOpenFileName(ref ofn))
+                return ofn.lpstrFile;
+            return string.Empty;
+        }
+    }
+}

src/Lively/Lively.UI.WinUI/Helpers/LocalizationUtil.cs

@@ -48,7 +48,7 @@ public static string GetLocalizedWallpaperCategory(WallpaperType type)
         /// </summary>
         /// <param name="anyFile">Show any filetype.</param>
         /// <returns></returns>
-        public static List<string> GetLocalizedSupportedFileDialogFilter(bool anyFile = false)
+        public static List<string> SupportedFileDialogFilter(bool anyFile = false)
         {
             var filterCollection = new List<string>();
             if (anyFile)

src/Lively/Lively.UI.WinUI/ViewModels/AddWallpaperViewModel.cs

@@ -102,7 +102,7 @@ private async Task FileBrowseAction()
             var filePicker = new FileOpenPicker();
             filePicker.SetOwnerWindow(App.Services.GetRequiredService<MainWindow>());
             //filePicker.FileTypeFilter.Add("*");
-            foreach (var item in LocalizationUtil.GetLocalizedSupportedFileDialogFilter(true))
+            foreach (var item in LocalizationUtil.SupportedFileDialogFilter(true))
             {
                 filePicker.FileTypeFilter.Add(item);
             }

src/Lively/Lively/Lively.csproj

@@ -7,7 +7,7 @@
     <StartupObject></StartupObject>
     <ApplicationIcon>appicon.ico</ApplicationIcon>
     <ApplicationManifest>app.manifest</ApplicationManifest>
-    <AssemblyVersion>1.9.7.0</AssemblyVersion>
+    <AssemblyVersion>2.0.2.1</AssemblyVersion>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">