win32 dialog

src/Snap.Hutao/Snap.Hutao.Test/BaseClassLibrary/JsonSerializeTest.cs

@@ -2,7 +2,7 @@
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace Snap.Hutao.Test;
+namespace Snap.Hutao.Test.BaseClassLibrary;
 
 [TestClass]
 public class JsonSerializeTest

src/Snap.Hutao/Snap.Hutao.Test/PlatformExtensions/DependencyInjectionTest.cs

@@ -1,7 +1,7 @@
 using Microsoft.Extensions.DependencyInjection;
 using System;
 
-namespace Snap.Hutao.Test;
+namespace Snap.Hutao.Test.PlatformExtensions;
 
 [TestClass]
 public sealed class DependencyInjectionTest

src/Snap.Hutao/Snap.Hutao.Win32/NativeMethods.txt

@@ -51,6 +51,8 @@ IPersistFile
 IShellLinkW
 ShellLink
 SHELL_LINK_DATA_FLAGS
+FileOpenDialog
+IFileOpenDialog
 
 // WinRT
 IMemoryBufferByteAccess

src/Snap.Hutao/Snap.Hutao/Factory/Picker/IFileSystemPickerInteraction.cs

@@ -0,0 +1,45 @@
+// Copyright (c) DGP Studio. All rights reserved.
+// Licensed under the MIT license.
+
+using Snap.Hutao.Core.LifeCycle;
+using System.Runtime.InteropServices;
+using Windows.Win32;
+using Windows.Win32.Foundation;
+using Windows.Win32.System.Com;
+using Windows.Win32.UI.Shell;
+using static Windows.Win32.PInvoke;
+
+namespace Snap.Hutao.Factory.Picker;
+
+internal interface IFileSystemPickerInteraction
+{
+}
+
+[ConstructorGenerated]
+[Injection(InjectAs.Transient, typeof(IFileSystemPickerInteraction))]
+internal sealed partial class FileSystemPickerInteraction : IFileSystemPickerInteraction
+{
+    private readonly ICurrentWindowReference currentWindowReference;
+
+    public unsafe string PickFile()
+    {
+        HRESULT result = CoCreateInstance<FileOpenDialog, IFileOpenDialog>(default, CLSCTX.CLSCTX_INPROC_SERVER, out IFileOpenDialog dialog);
+        Marshal.ThrowExceptionForHR(result);
+
+        dialog.Show(currentWindowReference.GetWindowHandle());
+        dialog.GetResult(out IShellItem item);
+        PWSTR name = default;
+        string file;
+        try
+        {
+            item.GetDisplayName(SIGDN.SIGDN_FILESYSPATH, out name);
+            file = new((char*)name);
+        }
+        finally
+        {
+            Marshal.FreeCoTaskMem((nint)name.Value);
+        }
+
+        return file;
+    }
+}

src/Snap.Hutao/Snap.Hutao/Package.appxmanifest

@@ -12,7 +12,7 @@
   <Identity
     Name="60568DGPStudio.SnapHutao"
     Publisher="CN=35C8E923-85DF-49A7-9172-B39DC6312C52"
-    Version="1.7.17.0" />
+    Version="1.7.18.0" />
 
   <Properties>
     <DisplayName>Snap Hutao</DisplayName>