Support for multiple audio devices. such as when using voicemeeter
improved display name and icon support fixed issues with games like halo master chief collection, which threw exceptions when getting the display name
This commit is contained in:
286
src/FocusVolumeControl/AudioHelpers/AppxPackage.cs
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286
src/FocusVolumeControl/AudioHelpers/AppxPackage.cs
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Runtime.InteropServices.ComTypes;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading.Tasks;
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namespace FocusVolumeControl.AudioHelpers;
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public sealed class AppxPackage
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{
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private AppxPackage()
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{
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}
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public string Path { get; private set; }
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public string Logo { get; private set; }
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public string DisplayName { get; private set; }
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public static AppxPackage FromProcess(Process process)
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{
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try
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{
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return FromProcess(process.Handle);
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}
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catch
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{
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return null;
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}
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}
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public static AppxPackage FromProcess(int processId)
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{
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const int QueryLimitedInformation = 0x1000;
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IntPtr hProcess = OpenProcess(QueryLimitedInformation, false, processId);
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try
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{
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return FromProcess(hProcess);
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}
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finally
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{
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if (hProcess != IntPtr.Zero)
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{
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CloseHandle(hProcess);
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}
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}
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}
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static AppxPackage FromProcess(IntPtr hProcess)
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{
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if (hProcess == IntPtr.Zero)
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{
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return null;
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}
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int len = 0;
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GetPackageFullName(hProcess, ref len, null);
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if (len == 0)
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{
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return null;
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}
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var sb = new StringBuilder(len);
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string fullName = GetPackageFullName(hProcess, ref len, sb) == 0 ? sb.ToString() : null;
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if (string.IsNullOrEmpty(fullName)) // not an AppX
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{
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return null;
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}
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var package = QueryPackageInfo(fullName, PackageConstants.PACKAGE_FILTER_HEAD).First();
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return package;
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}
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private static IEnumerable<AppxPackage> QueryPackageInfo(string fullName, PackageConstants flags)
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{
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IntPtr infoRef;
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OpenPackageInfoByFullName(fullName, 0, out infoRef);
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if (infoRef != IntPtr.Zero)
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{
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IntPtr infoBuffer = IntPtr.Zero;
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try
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{
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int len = 0;
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int count;
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GetPackageInfo(infoRef, flags, ref len, IntPtr.Zero, out count);
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if (len > 0)
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{
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var factory = (IAppxFactory)new AppxFactory();
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infoBuffer = Marshal.AllocHGlobal(len);
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int res = GetPackageInfo(infoRef, flags, ref len, infoBuffer, out count);
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for (int i = 0; i < count; i++)
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{
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var info = (PACKAGE_INFO)Marshal.PtrToStructure(infoBuffer + i * Marshal.SizeOf(typeof(PACKAGE_INFO)), typeof(PACKAGE_INFO));
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var package = new AppxPackage();
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package.Path = Marshal.PtrToStringUni(info.path);
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// read manifest
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string manifestPath = System.IO.Path.Combine(package.Path, "AppXManifest.xml");
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const int STGM_SHARE_DENY_NONE = 0x40;
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SHCreateStreamOnFileEx(manifestPath, STGM_SHARE_DENY_NONE, 0, false, IntPtr.Zero, out var strm);
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if (strm != null)
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{
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var reader = factory.CreateManifestReader(strm);
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var properties = reader.GetProperties();
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properties.GetStringValue("DisplayName", out var displayName);
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package.DisplayName = displayName;
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properties.GetStringValue("Logo", out var logo);
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package.Logo = logo;
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/*
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var apps = reader.GetApplications();
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while (apps.GetHasCurrent())
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{
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var app = apps.GetCurrent();
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var appx = new AppxApp(app);
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appx.Description = GetStringValue(app, "Description");
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appx.DisplayName = GetStringValue(app, "DisplayName");
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appx.EntryPoint = GetStringValue(app, "EntryPoint");
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appx.Executable = GetStringValue(app, "Executable");
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appx.Id = GetStringValue(app, "Id");
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appx.Logo = GetStringValue(app, "Logo");
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appx.SmallLogo = GetStringValue(app, "SmallLogo");
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appx.StartPage = GetStringValue(app, "StartPage");
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appx.Square150x150Logo = GetStringValue(app, "Square150x150Logo");
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appx.Square30x30Logo = GetStringValue(app, "Square30x30Logo");
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appx.BackgroundColor = GetStringValue(app, "BackgroundColor");
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appx.ForegroundText = GetStringValue(app, "ForegroundText");
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appx.WideLogo = GetStringValue(app, "WideLogo");
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appx.Wide310x310Logo = GetStringValue(app, "Wide310x310Logo");
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appx.ShortName = GetStringValue(app, "ShortName");
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appx.Square310x310Logo = GetStringValue(app, "Square310x310Logo");
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appx.Square70x70Logo = GetStringValue(app, "Square70x70Logo");
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appx.MinWidth = GetStringValue(app, "MinWidth");
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package._apps.Add(appx);
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apps.MoveNext();
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}
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*/
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Marshal.ReleaseComObject(strm);
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}
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yield return package;
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}
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Marshal.ReleaseComObject(factory);
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}
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}
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finally
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{
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if (infoBuffer != IntPtr.Zero)
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{
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Marshal.FreeHGlobal(infoBuffer);
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}
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ClosePackageInfo(infoRef);
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}
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}
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}
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[Guid("5842a140-ff9f-4166-8f5c-62f5b7b0c781"), ComImport]
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private class AppxFactory
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{
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}
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[Guid("BEB94909-E451-438B-B5A7-D79E767B75D8"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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private interface IAppxFactory
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{
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void _VtblGap0_2(); // skip 2 methods
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IAppxManifestReader CreateManifestReader(IStream inputStream);
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}
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[Guid("4E1BD148-55A0-4480-A3D1-15544710637C"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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private interface IAppxManifestReader
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{
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void _VtblGap0_1(); // skip 1 method
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IAppxManifestProperties GetProperties();
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void _VtblGap1_5(); // skip 5 methods
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IAppxManifestApplicationsEnumerator GetApplications();
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}
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[Guid("9EB8A55A-F04B-4D0D-808D-686185D4847A"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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private interface IAppxManifestApplicationsEnumerator
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{
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IAppxManifestApplication GetCurrent();
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bool GetHasCurrent();
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bool MoveNext();
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}
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[Guid("5DA89BF4-3773-46BE-B650-7E744863B7E8"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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internal interface IAppxManifestApplication
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{
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[PreserveSig]
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int GetStringValue([MarshalAs(UnmanagedType.LPWStr)] string name, [MarshalAs(UnmanagedType.LPWStr)] out string vaue);
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}
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[Guid("03FAF64D-F26F-4B2C-AAF7-8FE7789B8BCA"), InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
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private interface IAppxManifestProperties
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{
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[PreserveSig]
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int GetBoolValue([MarshalAs(UnmanagedType.LPWStr)] string name, out bool value);
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[PreserveSig]
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int GetStringValue([MarshalAs(UnmanagedType.LPWStr)] string name, [MarshalAs(UnmanagedType.LPWStr)] out string vaue);
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}
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[DllImport("shlwapi.dll", CharSet = CharSet.Unicode)]
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private static extern int SHLoadIndirectString(string pszSource, StringBuilder pszOutBuf, int cchOutBuf, IntPtr ppvReserved);
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[DllImport("shlwapi.dll", CharSet = CharSet.Unicode)]
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private static extern int SHCreateStreamOnFileEx(string fileName, int grfMode, int attributes, bool create, IntPtr reserved, out IStream stream);
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[DllImport("user32.dll")]
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private static extern int GetWindowThreadProcessId(IntPtr hWnd, out int lpdwProcessId);
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[DllImport("kernel32.dll")]
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private static extern IntPtr OpenProcess(int dwDesiredAccess, bool bInheritHandle, int dwProcessId);
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[DllImport("kernel32.dll")]
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private static extern bool CloseHandle(IntPtr hObject);
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[DllImport("kernel32.dll", CharSet = CharSet.Unicode)]
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private static extern int OpenPackageInfoByFullName(string packageFullName, int reserved, out IntPtr packageInfoReference);
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[DllImport("kernel32.dll", CharSet = CharSet.Unicode)]
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private static extern int GetPackageInfo(IntPtr packageInfoReference, PackageConstants flags, ref int bufferLength, IntPtr buffer, out int count);
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[DllImport("kernel32.dll", CharSet = CharSet.Unicode)]
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private static extern int ClosePackageInfo(IntPtr packageInfoReference);
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[DllImport("kernel32.dll", CharSet = CharSet.Unicode)]
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private static extern int GetPackageFullName(IntPtr hProcess, ref int packageFullNameLength, StringBuilder packageFullName);
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[Flags]
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private enum PackageConstants
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{
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PACKAGE_FILTER_ALL_LOADED = 0x00000000,
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PACKAGE_PROPERTY_FRAMEWORK = 0x00000001,
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PACKAGE_PROPERTY_RESOURCE = 0x00000002,
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PACKAGE_PROPERTY_BUNDLE = 0x00000004,
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PACKAGE_FILTER_HEAD = 0x00000010,
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PACKAGE_FILTER_DIRECT = 0x00000020,
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PACKAGE_FILTER_RESOURCE = 0x00000040,
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PACKAGE_FILTER_BUNDLE = 0x00000080,
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PACKAGE_INFORMATION_BASIC = 0x00000000,
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PACKAGE_INFORMATION_FULL = 0x00000100,
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PACKAGE_PROPERTY_DEVELOPMENT_MODE = 0x00010000,
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}
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[StructLayout(LayoutKind.Sequential, Pack = 4)]
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private struct PACKAGE_INFO
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{
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public int reserved;
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public int flags;
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public IntPtr path;
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public IntPtr packageFullName;
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public IntPtr packageFamilyName;
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public PACKAGE_ID packageId;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 4)]
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private struct PACKAGE_ID
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{
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public int reserved;
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public AppxPackageArchitecture processorArchitecture;
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public ushort VersionRevision;
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public ushort VersionBuild;
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public ushort VersionMinor;
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public ushort VersionMajor;
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public IntPtr name;
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public IntPtr publisher;
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public IntPtr resourceId;
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public IntPtr publisherId;
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}
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}
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public enum AppxPackageArchitecture
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{
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x86 = 0,
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Arm = 5,
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x64 = 9,
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Neutral = 11,
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Arm64 = 12
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}
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