mirror of
https://github.com/Hofknecht/SystemTrayMenu.git
synced 2024-10-05 04:24:38 +13:00
aa87100095
Improve null pointer assumptions by relying on nullable value types
91 lines
3.4 KiB
C#
91 lines
3.4 KiB
C#
// <copyright file="FolderOptions.cs" company="PlaceholderCompany">
|
|
// Copyright (c) PlaceholderCompany. All rights reserved.
|
|
// </copyright>
|
|
|
|
namespace SystemTrayMenu.Utilities
|
|
{
|
|
using System;
|
|
using System.IO;
|
|
using System.Reflection;
|
|
using System.Runtime.InteropServices;
|
|
using Shell32;
|
|
|
|
internal static class FolderOptions
|
|
{
|
|
private static bool hideHiddenEntries;
|
|
private static bool hideSystemEntries;
|
|
private static IShellDispatch4? iShellDispatch4;
|
|
|
|
internal static void Initialize()
|
|
{
|
|
try
|
|
{
|
|
iShellDispatch4 = (IShellDispatch4?)Activator.CreateInstance(
|
|
Type.GetTypeFromProgID("Shell.Application")!);
|
|
|
|
// Using SHGetSetSettings would be much better in performance but the results are not accurate.
|
|
// We have to go for the shell interface in order to receive the correct settings:
|
|
// https://docs.microsoft.com/en-us/windows/win32/shell/ishelldispatch4-getsetting
|
|
const int SSF_SHOWALLOBJECTS = 0x00000001;
|
|
hideHiddenEntries = !(iShellDispatch4?.GetSetting(SSF_SHOWALLOBJECTS) ?? false);
|
|
|
|
const int SSF_SHOWSUPERHIDDEN = 0x00040000;
|
|
hideSystemEntries = !(iShellDispatch4?.GetSetting(SSF_SHOWSUPERHIDDEN) ?? false);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
if (ex is ArgumentException ||
|
|
ex is NotSupportedException ||
|
|
ex is TargetInvocationException ||
|
|
ex is MethodAccessException ||
|
|
ex is MemberAccessException ||
|
|
ex is InvalidComObjectException ||
|
|
ex is MissingMethodException ||
|
|
ex is COMException ||
|
|
ex is TypeLoadException)
|
|
{
|
|
Log.Warn("Get Shell COM instance failed", ex);
|
|
}
|
|
else
|
|
{
|
|
throw;
|
|
}
|
|
}
|
|
}
|
|
|
|
internal static void ReadHiddenAttributes(string path, out bool hasHiddenFlag, out bool isDirectoryToHide)
|
|
{
|
|
isDirectoryToHide = false;
|
|
hasHiddenFlag = false;
|
|
if (path.Length >= 260)
|
|
{
|
|
Log.Info($"path too long (>=260):'{path}'");
|
|
return;
|
|
}
|
|
|
|
try
|
|
{
|
|
FileAttributes attributes = File.GetAttributes(path);
|
|
hasHiddenFlag = attributes.HasFlag(FileAttributes.Hidden);
|
|
bool hasSystemFlag = attributes.HasFlag(
|
|
FileAttributes.Hidden | FileAttributes.System);
|
|
if (Properties.Settings.Default.SystemSettingsShowHiddenFiles)
|
|
{
|
|
if ((hideHiddenEntries && hasHiddenFlag) ||
|
|
(hideSystemEntries && hasSystemFlag))
|
|
{
|
|
isDirectoryToHide = true;
|
|
}
|
|
}
|
|
else if (hasHiddenFlag && Properties.Settings.Default.NeverShowHiddenFiles)
|
|
{
|
|
isDirectoryToHide = true;
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Log.Warn($"path:'{path}'", ex);
|
|
}
|
|
}
|
|
}
|
|
}
|